TrustRadius: an HG Insights company

What is Oh Dear?

Oh Dear monitors the health of every website a team manages. Oh Dear checks uptime every minute from multiple locations and monitors SSL certificates, DNS records, domain expiration, scheduled tasks, broken links, mixed content, performance, Lighthouse, APIs, application health, ping, TCP ports, sitemaps, DNS blocklists and exposed ports.

Oh Dear sends alerts through email, Slack, Microsoft Teams, PagerDuty, Opsgenie and webhooks. Oh Dear includes branded status pages, client-ready reports, unlimited users and every monitoring feature on every plan. Oh Dear also includes AI-powered checks and SSO. Mattias Geniar and Freek Van der Herten founded Oh Dear in Belgium in 2018.

Oh Dear stores monitoring data in the EU and supports GDPR requirements. Oh Dear offers a 10-day trial with every feature and requires no payment information.

Categories & Use Cases

Media

Screenshot of Oh Dear monitors every website a team manages from one dashboard, showing current performance and detected issues across the portfolio.
Screenshot of Oh Dear presents uptime, certificate health, broken links, mixed content and other website-health checks in one monitor overview.
Screenshot of Oh Dear tracks Lighthouse performance, accessibility, best-practices and SEO scores for each monitored website.
Screenshot of Oh Dear crawls the entire website to find broken links. This example shows coverage across 1,408 scanned pages.
Screenshot of Oh Dear monitors DNS records and authoritative nameservers so teams can identify unexpected DNS changes.

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Screenshot of Oh Dear monitors every website a team manages from one dashboard, showing current performance and detected issues across the portfolio.