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Oh Dear!

Website health monitoring for your entire site, not just the homepage.

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.

A startup from Berlaar, Belgium that is founded by Mattias Geniar, Freek Van der Herten.

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Platforms:
  • Web
  • CLI
  • MCP
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Oh Dear!

Oh Dear! Reviews and Details

This page is designed to help you find out whether Oh Dear! is good and if it is the right choice for you.

#Website Monitoring #Uptime Monitoring #Monitoring Tools #Status Pages

Screenshots and images

  • Oh Dear! Oh Dear monitors every website a team manages from one dashboard, showing current performance and detected issues across the portfolio.
    Oh Dear monitors every website a team manages from one dashboard, showing current performance and detected issues across the portfolio. //
    2026-08-07
  • Oh Dear! Oh Dear presents uptime, certificate health, broken links, mixed content and other website-health checks in one monitor overview.
    Oh Dear presents uptime, certificate health, broken links, mixed content and other website-health checks in one monitor overview. //
    2026-08-07
  • Oh Dear! Oh Dear crawls the entire website to find broken links. This example shows coverage across 1,408 scanned pages.
    Oh Dear crawls the entire website to find broken links. This example shows coverage across 1,408 scanned pages. //
    2026-08-07
  • Oh Dear! Oh Dear tracks Lighthouse performance, accessibility, best-practices and SEO scores for each monitored website.
    Oh Dear tracks Lighthouse performance, accessibility, best-practices and SEO scores for each monitored website. //
    2026-08-07
  • Oh Dear! Oh Dear monitors DNS records and authoritative nameservers so teams can identify unexpected DNS changes.
    Oh Dear monitors DNS records and authoritative nameservers so teams can identify unexpected DNS changes. //
    2026-08-07

Features & Specs

  1. Comprehensive Monitoring

    Oh Dear! offers a suite of monitoring tools including uptime monitoring, SSL certificate monitoring, broken link detection, and performance monitoring, providing a holistic view of website health.

  2. Detailed Reporting

    The platform provides detailed reporting and insights, allowing users to quickly identify and address issues that could impact their website's performance or availability.

  3. User-Friendly Interface

    Oh Dear! features an intuitive and easy-to-navigate interface, making it accessible for users of all technical levels to set up and manage their monitoring preferences.

  4. Customizable Alerts

    Users can set up customizable alerts via email, Slack, or other channels, ensuring that the right team members are notified of any issues as soon as they arise.

  5. Third-Party Integrations

    The platform integrates seamlessly with various third-party services such as GitHub, allowing for easy collaboration and issue resolution workflows.

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Questions & Answers

As answered by people managing Oh Dear!.

  1. Who are some of the biggest customers of Oh Dear!?

    • VRT News
    • HBO Nordic
    • Obsidian Entertainment
    • Takeaway.com
    • Stanford University

  2. What makes Oh Dear! unique?

    Oh Dear monitors the health of the entire website, not only whether a single URL responds. Oh Dear monitors uptime, SSL certificates, DNS records, domain expiration, scheduled tasks, broken links, mixed content, Lighthouse performance, APIs and application health. Oh Dear also gives teams one dashboard for every website they manage.

  3. Why should a person choose Oh Dear! over its competitors?

    Oh Dear is a strong fit for teams that manage multiple websites and want to find problems before clients or visitors report them. Every plan includes every monitoring feature, so teams can monitor website availability, technical health and content quality without assembling several separate tools. Broader observability platforms remain better suited to infrastructure telemetry, logs, traces and application performance monitoring.

  4. How would you describe the primary audience of Oh Dear!?

    Oh Dear is built for developers, technical leads, DevOps teams and CTOs responsible for one or more websites. Oh Dear is especially useful for teams managing client websites, website portfolios, recurring reports and incident communication.

  5. What's the story behind Oh Dear!?

    Mattias Geniar and Freek Van der Herten founded Oh Dear in Belgium in 2018. Mattias Geniar brought an infrastructure and security perspective, while Freek Van der Herten brought a web-development perspective. Together, the founders built Oh Dear to monitor the complete health of a website rather than uptime alone. Oh Dear has continued to grow through pragmatic product development and direct customer feedback.

  6. Which are the primary technologies used for building Oh Dear!?

    Oh Dear is primarily built with PHP, Laravel and Livewire.

Videos

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All-in-one Website Monitoring Tool | Oh Dear

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Is Oh Dear! good?

Oh Dear! is a highly regarded tool for website monitoring and is generally considered reliable and efficient by its users. Its comprehensive set of features and ease of use make it a good choice for individuals and businesses looking to keep their websites running smoothly.

Why choose Oh Dear!?

  • Oh Dear! is a website monitoring service that helps ensure the health and uptime of your website. It offers features such as uptime monitoring, SSL certificate checks, broken link detection, scheduled maintenance windows, and performance insights. The platform is user-friendly and integrates with various notification channels to alert you of any issues promptly.

Recommended for

  • Oh Dear! is recommended for web developers, IT professionals, and business owners who need to ensure their websites are always operational and running efficiently. It's particularly useful for those managing multiple sites who want a centralized solution for monitoring and maintaining website health.

External links

We have collected here some useful links to help you find out if Oh Dear! is good.

  • Public traffic stats of Oh Dear!

    Check the traffic stats of Oh Dear! on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.

  • Domain Rating (DR)

    Check the "Domain Rating" of Oh Dear! on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of Oh Dear!'s backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.

  • Domain Authority (DA)

    Check the "Domain Authority" of Oh Dear! on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.

  • Public opinion on Reddit

    The latest comments about Oh Dear! on Reddit. This can help you find out how popualr the product is and what people think about it.

Social recommendations and mentions

We have tracked the following product recommendations or mentions on various public social media platforms and blogs. They can help you see what people think about Oh Dear! and what they use it for.
  • How to Send Telegram Messages in Laravel
    When you're building a Laravel application, you might want to send notifications to users via Telegram. This is useful for things like sending updates and alerts. For example, I'm subscribed to Telegram notifications on sites like Oh Dear to notify me of any downtime or issues with my sites. This means if any of my sites or my clients' sites go down, I get an instant notification via Telegram so I can quickly... - Source: dev.to / 7 months ago
  • Ask HN: What do you monitor on your servers?
    For web-application monitoring, weโ€™ve [1] gone the approach of outside-in monitoring. Thereโ€™s many approaches to monitoring and depending on your role in a team, you might care more about the individual health of each server, or the application as a whole, independent of its underlying (virtual) hardware. For web applications for instance, we care about uptime & performance, tls certificates, dns changes, crawled... - Source: Hacker News / almost 2 years ago
  • Freelancers with multiple sites/clients: what tools or services do you use to monitor your sites? How do you make sure you're the first to know if a site goes down or a CPU is getting overloaded?
    Https://ohdear.app in combination with https://spatie.be/docs/laravel-health. Source: about 3 years ago
  • Laravel: Are there any successful SaaS websites built with it?
    I've made a couple of SaaS products using Laravel. One of them is Oh Dear which is both super stable on a technical level, and commercially very successful as well. Source: over 3 years ago
  • How do you manage your technical or transactional emails?
    Pretty cool article how Spatie over in DE handles it in ohdear.app and other SAAS: https://mailcoach.app/blog/18-creating-an-onboarding-email-drip-campaign-using-mailcoach. Source: over 3 years ago
  • Is there a tool to email alert clients when their website goes down?
    I use https://ohdear.app/ for the same and other checks. You can add per-site notifications to specific emails (or other channels) about any of the supported events. Source: over 3 years ago
  • Is hetzner down?
    Setup some monitoring system like https://ohdear.app/ or Uptime Kuma (install it in on some other provider's machine). Source: over 3 years ago
  • What do you guys use for outage monitoring / incident reporting?
    If you have a small amount of FQDNs: OhDear. https://ohdear.app/. Source: over 3 years ago
  • Tips Before Moving Laravel App to Production
    Make sure you have some kind of uptime monitoring for your site https://uptimerobot.com/ - https://ohdear.app/. - Source: dev.to / over 4 years ago
  • Does the Scheduler execute tasks within the same process itโ€™s called from (via cron)? If so, what happens when tasks take more than 1 minute to execute?
    I recently set up Oh Dear, which is monitoring the schedule to check tasks are running on time. Source: over 4 years ago
  • Examples of large(ish) laravel web applications?
    Check out https://ohdear.app and https://mailcoach.app. Source: over 4 years ago

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Is Oh Dear! good? This is an informative page that will help you find out. Moreover, you can review and discuss Oh Dear! here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.

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