Oh Dear

Oh Dear provides website monitoring.

Technology; Information and Internet

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Headquarters: Lier, BelgiumSource: RevenueBaseRetrieved October 13, 2026
Employee range: 1 to 10Source: RevenueBaseRetrieved October 13, 2026
Founded: 2018Source: RevenueBaseRetrieved October 13, 2026
Published list appearances: 1 supported appearance ↗Source: RevenueBase lists

The company at a glance

What does Oh Dear do?

Oh Dear offers multi-location uptime monitoring, mixed content and broken-link detection, and SSL certificate and transparency reporting. Oh Dear provides an API and documentation.

Based on the company’s public LinkedIn information, supplied through RevenueBase.

What the business offers

Services & capabilities.

Uptime monitoring

The company offers uptime monitoring across multiple locations.

Source: LinkedIn company description · Retrieved October 13, 2026

Website issue detection

The company offers detection of mixed content and broken links.

Source: LinkedIn company description · Retrieved October 13, 2026

Explore the business in context

Company lists.

Supported appearances on published RevenueBase lists, including available memberships beyond displayed rankings.

#7OF 12

Belgium

Website security testing services

Snapshot: September 28, 2026

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Positions describe ordering within each source list. See how lists are built ↗

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Oh Dear

#7 Website security testing services

Snapshot: September 28, 2026

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<a href="https://revenuebase.ai/companies/website-security-testing-services/belgium" target="_blank" rel="nofollow noopener">
  <img src="https://revenuebase.ai/companies/profiles/ohdear/recognition-companies-website-security-testing-services-belgium-20260929-d4c9ac8ce6e074f93495d61dac4af6fea2c08f63e3420deb7406146a6197c6f1.svg" alt="Oh Dear listed #7 on Website security testing services, September 28, 2026" width="220" height="319" style="max-width:100%;height:auto;" />
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Sources & data notes.

RevenueBase prepared this profile from the company’s public LinkedIn information and RevenueBase company data. These source records were retrieved on October 13, 2026. AI helped summarize these sources, with a separate automated check against the source text completed on November 4, 2026. Directory positions use company-contact counts from separate saved list snapshots dated September 28, 2026. How the company lists are built.

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