Company lists · Data refreshed September 2026
Top 25 Web performance tools worldwide
RevenueBase identified 197 company matches for web performance tools worldwide as of September 2026 and tracks 900 professional contacts across them, including 282 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for web performance tools worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026. Country and city lists for web performance tools follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest web performance tools worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 77 contacts → | ||||
Exact match “Speed Kit is the all-in-one page speed tool for sites with 300+ million users.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 67 contacts → | ||||
Exact match “Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 46 contacts → | ||||
Exact match “Founded in 2014 in the beautiful Lyon, France, WP Media is the company behind WP Rocket, Imagify, RocketCDN and BackWPup.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 36 contacts → | ||||
Exact match “Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 32 contacts → | ||||
Exact match “We believe everyone should have an easy way to achieve world-class performance for their website.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 29 contacts → | ||||
Exact match “Fasterize is much more than just a web optimization solution.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 26 contacts → | ||||
Exact match “Our mission is to give our customers cutting edge features such as “image matching” within a real browser, element level trend charting, and video capture of website and web…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “LiteSpeed Technologies was founded in early 2002 by a team of engineers led by George Wang.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “Stockholm-started k6, simplifies and automate load and performance testing for agile software development teams.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 11 contacts → | ||||
Exact match “We build products like FlyingPress and FlyingCDN” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “WebsiteSpeedy.com | Make your website load at lightening fast speed in 5 minutes Is your website struggling with slow loading times & subpar user experience?” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “RapidSpike believes everyone expects & has the right to, fast, safe & reliable online experiences, and we know great websites improve conversions, loyalty & brand.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 8 contacts → | ||||
Exact match “Editeur de logiciels - Expert des problématiques de performance sur le Web - Tests de montée en charge, Tests de performance - Spécialiste du CloudTesting CloudNetCare permet…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “RabbitLoader is a WordPress Plugin that helps improve Score.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “WooRank is an internet startup focused on providing small businesses, online marketers and SEOs a solution to optimize, promote and measure their websites in an automated, instant…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Wir helfen Unternehmen dabei, ihre Websites schneller und zuverlässiger zu machen.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 5 contacts → | ||||
Exact match “Ecommerce sites have blind spots: site speed, bots, broken code, downtime.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Epsilon Delta is a Mumbai based startup focusing on Real user site speed monitoring and improvement.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “SpeedVitals is a free Performance Analysis tool for websites aimed at measuring and improving Core Web Vitals.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “SiteBeacon exists to help you build better websites from the ground up.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “RUMvision is a tool that provides real-time data on user experiences and Core Web Vitals, helping users identify areas for website optimization.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Website speed is an essential aspect of any website.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “DebugBear helps businesses monitor and optimize their web performance, with a focus on Google's Core Web Vitals metrics.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “We will show you how fast or slow your website is on Black Friday, during a marketing campaign, or when you finally go viral.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “web performance tools”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 197 web performance tools worldwide
See the full list, filter by size, metro and specialty, and access 282 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Web performance tools worldwide at a glance
As of Sep 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for web performance tools are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “web performance tools” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 282 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Web performance tools by location
1 lists · largest firstEvery Web performance tools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “web performance tools”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many web performance tools are there worldwide?
RevenueBase identified 197 company matches for web performance tools worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Speed KIT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most web performance tools?
The United States leads with 38 companies. Every web performance tools list by country and city is linked on this page.
Which city has the most web performance tools?
London leads with 8 company records, followed by New York (6) and Jaipur (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 282 professional contacts with verified work emails tracked across these 197 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 197 web performance tools worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 web performance tools worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 197 matching company records for web performance tools worldwide, with 900 tracked contacts and 282 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web performance tools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Speed KITspeedkit.com HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 77 contacts → |
“Speed Kit is the all-in-one page speed tool for sites with 300+ million users.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Silktidesilktide.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 67 contacts → |
“Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | WP Mediawp-media.me HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 46 contacts → |
“Founded in 2014 in the beautiful Lyon, France, WP Media is the company behind WP Rocket, Imagify, RocketCDN and BackWPup.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kleeckskleecks.comHQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 36 contacts → |
“Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nitropacknitropack.io HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 32 contacts → |
“We believe everyone should have an easy way to achieve world-class performance for their website.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fasterizefasterize.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 29 contacts → |
“Fasterize is much more than just a web optimization solution.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dotcom-Monitordotcom-monitor.comHQ: Minnetonka, MN, United StatesReported employees: 51-200 | Minnetonka, MN, United States | 51-200 | Exact match | 26 contacts → |
“Our mission is to give our customers cutting edge features such as “image matching” within a real browser, element level trend charting, and video capture of website and web…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Litespeed Technologieslitespeedtech.com HQ: Newtown Square, PA, United StatesReported employees: 11-50 | Newtown Square, PA, United States | 11-50 | Exact match | 17 contacts → |
“LiteSpeed Technologies was founded in early 2002 by a team of engineers led by George Wang.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | K6k6.io HQ: Stockholm, SwedenReported employees: 11-50 | Stockholm, Sweden | 11-50 | Exact match | 15 contacts → |
“Stockholm-started k6, simplifies and automate load and performance testing for agile software development teams.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Flyingwebflyingweb.co HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 11 contacts → |
“We build products like FlyingPress and FlyingCDN” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Website Speedywebsitespeedy.com HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 11 contacts → |
“WebsiteSpeedy.com | Make your website load at lightening fast speed in 5 minutes Is your website struggling with slow loading times & subpar user experience?” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Rapidspikerapidspike.comHQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“RapidSpike believes everyone expects & has the right to, fast, safe & reliable online experiences, and we know great websites improve conversions, loyalty & brand.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cloudnetcarecloudnetcare.fr HQ: Suresnes, FranceReported employees: 11-50 | Suresnes, France | 11-50 | Exact match | 8 contacts → |
“Editeur de logiciels - Expert des problématiques de performance sur le Web - Tests de montée en charge, Tests de performance - Spécialiste du CloudTesting CloudNetCare permet…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rabbitloaderrabbitloader.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 8 contacts → |
“RabbitLoader is a WordPress Plugin that helps improve Score.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Woorankwoorank.comHQ: Etterbeek, BelgiumReported employees: 11-50 | Etterbeek, Belgium | 11-50 | Exact match | 7 contacts → |
“WooRank is an internet startup focused on providing small businesses, online marketers and SEOs a solution to optimize, promote and measure their websites in an automated, instant…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Flashsites Gmbhflashsites.de HQ: Wiesbaden, GermanyReported employees: 1-10 | Wiesbaden, Germany | 1-10 | Exact match | 6 contacts → |
“Wir helfen Unternehmen dabei, ihre Websites schneller und zuverlässiger zu machen.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Render Betterrenderbetter.com HQ: Centennial, CO, United StatesReported employees: 1-10 | Centennial, CO, United States | 1-10 | Exact match | 5 contacts → |
“Ecommerce sites have blind spots: site speed, bots, broken code, downtime.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Epsilondeltaepsilondelta.coHQ: Mumbai, IndiaReported employees: 1-10 | Mumbai, India | 1-10 | Exact match | 5 contacts → |
“Epsilon Delta is a Mumbai based startup focusing on Real user site speed monitoring and improvement.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Speedvitalsspeedvitals.com HQ: Jaipur, IndiaReported employees: 1-10 | Jaipur, India | 1-10 | Exact match | 5 contacts → |
“SpeedVitals is a free Performance Analysis tool for websites aimed at measuring and improving Core Web Vitals.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sitebeaconsitebeacon.io HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 5 contacts → |
“SiteBeacon exists to help you build better websites from the ground up.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rumvisionrumvision.com HQ: Groningen, NetherlandsReported employees: 1-10 | Groningen, Netherlands | 1-10 | Exact match | 4 contacts → |
“RUMvision is a tool that provides real-time data on user experiences and Core Web Vitals, helping users identify areas for website optimization.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Auditzyauditzy.comHQ: Mumbai, IndiaReported employees: 1-10 | Mumbai, India | 1-10 | Exact match | 4 contacts → |
“Website speed is an essential aspect of any website.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Debugbeardebugbear.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“DebugBear helps businesses monitor and optimize their web performance, with a focus on Google's Core Web Vitals metrics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Active CDNactivecdn.net HQ: Yerevan, ArmeniaReported employees: 1-10 | Yerevan, Armenia | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | supervisor.comsupervisor.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“We will show you how fast or slow your website is on Black Friday, during a marketing campaign, or when you finally go viral.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 197 company matches
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Web performance tools: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
197 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 197 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web performance tools by location
1 lists · largest firstEvery Web performance tools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for web performance tools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web performance tools did RevenueBase find worldwide?
The saved snapshot records 197 matching company records, 900 tracked contacts and 282 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 web performance tools worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/web-performance-tools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 web performance tools worldwide
RevenueBase records 197 matching company records for web performance tools worldwide, with 900 tracked contacts and 282 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 web performance tools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Speed KITspeedkit.com HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 77 contacts → |
“Speed Kit is the all-in-one page speed tool for sites with 300+ million users.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Silktidesilktide.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 67 contacts → |
“Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | WP Mediawp-media.me HQ: Lyon, FranceReported employees: 11-50 | Lyon, France | 11-50 | Exact match | 46 contacts → |
“Founded in 2014 in the beautiful Lyon, France, WP Media is the company behind WP Rocket, Imagify, RocketCDN and BackWPup.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kleeckskleecks.com HQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 36 contacts → |
“Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nitropacknitropack.io HQ: Sofia, BulgariaReported employees: 11-50 | Sofia, Bulgaria | 11-50 | Exact match | 32 contacts → |
“We believe everyone should have an easy way to achieve world-class performance for their website.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fasterizefasterize.com HQ: Paris, FranceReported employees: 11-50 | Paris, France | 11-50 | Exact match | 29 contacts → |
“Fasterize is much more than just a web optimization solution.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dotcom-Monitordotcom-monitor.com HQ: Minnetonka, MN, United StatesReported employees: 51-200 | Minnetonka, MN, United States | 51-200 | Exact match | 26 contacts → |
“Our mission is to give our customers cutting edge features such as “image matching” within a real browser, element level trend charting, and video capture of website and web…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Litespeed Technologieslitespeedtech.com HQ: Newtown Square, PA, United StatesReported employees: 11-50 | Newtown Square, PA, United States | 11-50 | Exact match | 17 contacts → |
“LiteSpeed Technologies was founded in early 2002 by a team of engineers led by George Wang.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | K6k6.io HQ: Stockholm, SwedenReported employees: 11-50 | Stockholm, Sweden | 11-50 | Exact match | 15 contacts → |
“Stockholm-started k6, simplifies and automate load and performance testing for agile software development teams.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Flyingwebflyingweb.co HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 11 contacts → |
“We build products like FlyingPress and FlyingCDN” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Website Speedywebsitespeedy.com HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 11 contacts → |
“WebsiteSpeedy.com | Make your website load at lightening fast speed in 5 minutes Is your website struggling with slow loading times & subpar user experience?” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Rapidspikerapidspike.com HQ: Leeds, United KingdomReported employees: 11-50 | Leeds, United Kingdom | 11-50 | Exact match | 10 contacts → |
“RapidSpike believes everyone expects & has the right to, fast, safe & reliable online experiences, and we know great websites improve conversions, loyalty & brand.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cloudnetcarecloudnetcare.fr HQ: Suresnes, FranceReported employees: 11-50 | Suresnes, France | 11-50 | Exact match | 8 contacts → |
“Editeur de logiciels - Expert des problématiques de performance sur le Web - Tests de montée en charge, Tests de performance - Spécialiste du CloudTesting CloudNetCare permet…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rabbitloaderrabbitloader.com HQ: Kolkata, IndiaReported employees: 1-10 | Kolkata, India | 1-10 | Exact match | 8 contacts → |
“RabbitLoader is a WordPress Plugin that helps improve Score.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Woorankwoorank.com HQ: Etterbeek, BelgiumReported employees: 11-50 | Etterbeek, Belgium | 11-50 | Exact match | 7 contacts → |
“WooRank is an internet startup focused on providing small businesses, online marketers and SEOs a solution to optimize, promote and measure their websites in an automated, instant…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Flashsites Gmbhflashsites.de HQ: Wiesbaden, GermanyReported employees: 1-10 | Wiesbaden, Germany | 1-10 | Exact match | 6 contacts → |
“Wir helfen Unternehmen dabei, ihre Websites schneller und zuverlässiger zu machen.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Render Betterrenderbetter.com HQ: Centennial, CO, United StatesReported employees: 1-10 | Centennial, CO, United States | 1-10 | Exact match | 5 contacts → |
“Ecommerce sites have blind spots: site speed, bots, broken code, downtime.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Epsilondeltaepsilondelta.co HQ: Mumbai, IndiaReported employees: 1-10 | Mumbai, India | 1-10 | Exact match | 5 contacts → |
“Epsilon Delta is a Mumbai based startup focusing on Real user site speed monitoring and improvement.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Speedvitalsspeedvitals.com HQ: Jaipur, IndiaReported employees: 1-10 | Jaipur, India | 1-10 | Exact match | 5 contacts → |
“SpeedVitals is a free Performance Analysis tool for websites aimed at measuring and improving Core Web Vitals.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sitebeaconsitebeacon.io HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 5 contacts → |
“SiteBeacon exists to help you build better websites from the ground up.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rumvisionrumvision.com HQ: Groningen, NetherlandsReported employees: 1-10 | Groningen, Netherlands | 1-10 | Exact match | 4 contacts → |
“RUMvision is a tool that provides real-time data on user experiences and Core Web Vitals, helping users identify areas for website optimization.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Auditzyauditzy.com HQ: Mumbai, IndiaReported employees: 1-10 | Mumbai, India | 1-10 | Exact match | 4 contacts → |
“Website speed is an essential aspect of any website.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Debugbeardebugbear.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 4 contacts → |
“DebugBear helps businesses monitor and optimize their web performance, with a focus on Google's Core Web Vitals metrics.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Active CDNactivecdn.net HQ: Yerevan, ArmeniaReported employees: 1-10 | Yerevan, Armenia | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | supervisor.comsupervisor.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“We will show you how fast or slow your website is on Black Friday, during a marketing campaign, or when you finally go viral.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 197 company matches
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Web performance tools: dataset insights
September 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
197 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 197 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Web performance tools by location
1 lists · largest firstEvery Web performance tools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for web performance tools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many web performance tools did RevenueBase find worldwide?
The saved snapshot records 197 matching company records, 900 tracked contacts and 282 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 web performance tools worldwide. Snapshot: September 22, 2026. https://revenuebase.ai/companies/browse/web-performance-tools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗