Oh Dear!

Oh Dear!

Oh Dear is an all-in-one website monitoring platform that tracks uptime, performance, security, SEO, and application health across unlimited sites with notifications, status pages, and developer tools.

Oh Dear! is observability software teams evaluate for security. Use this page to review pricing, integration signals, and the best alternatives before you commit.

Freemium API Enterprise 80/100
#28 in Security (28 tools)
Added 1 year ago
Data reviewed Jul 15, 2026

Profile facts come from the vendor source. AiMatch labels unknown pricing or API details instead of estimating them.

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Quick Overview

Best for: Security

What it does

Observability software for decision-makers comparing workflow fit and alternatives.

Best fit

Security

Pricing snapshot

Freemium from €15 /month (example cited: up to 5 websites)

Next step

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Oh Dear!

Oh Dear is an all-in-one website monitoring tool that helps teams detect downtime, expired certificates, broken links, performance regressions, and application-level issues. It provides uptime and performance checks, security and SEO monitoring, application health and scheduled task monitoring, port scanning, DNS and domain checks, AI-powered custom checks, and hosted public status pages. The product is aimed at web and marketing agencies, hosting providers, developers, DevOps/sysadmins, e-commerce and SaaS teams who need centralized monitoring, instant notifications, and incident communication.

Oh Dear! is an all-in-one website monitoring tool that monitors your entire website, including broken links, mixed content, SSL certificates, and core services like MySQL, Redis, and more, providing alerts for downtime and performance issues.

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Key Features

Website uptime monitoring

Monitor uptime from servers worldwide and report downtime as soon as it happens.

API & endpoint monitoring

Validate what your API returns and monitor endpoints for availability and correctness.

Ping & TCP port monitoring

Ping monitoring to check server/network reachability and TCP port checks to validate service-level availability.

Application health monitoring

Monitor application internals such as queues, storage, cache and detect issues even when public pages appear healthy.

Scheduled task / cron monitoring

Monitor cron jobs and scheduled tasks and notify you if tasks haven't run on schedule.

Performance & Lighthouse monitoring

Track site speed and Lighthouse SEO metrics over time to detect performance regressions.

Sitemap and SEO validity monitoring

Ensure sitemap validity and monitor SEO-related artifacts.

AI-powered monitoring

Describe checks in plain English and let AI verify forms, content, APIs or other custom checks.

SSL certificate & mixed content monitoring

Continuously check SSL certificate expiration and mixed content and send actionable alerts.

Broken links detection

Crawl and index sites to detect broken links, error pages and missing assets.

Port scanner

Scan all 65,535 ports on a server and alert when expected ports go down or unexpected ports appear.

DNS, domain & DNS blocklist monitoring

Monitor DNS record changes, domain expiry dates and DNS blocklist status to prevent availability and reputation issues.

Notifications & integrations

Deliver alerts via Slack, email, SMS, webhooks and many other channels; supports integrations with incident management tools.

Status pages

Host public status pages to inform users during incidents, with customizable branding options.

Single Sign-On (SSO) & user management

Support for SSO to secure team authentication and centralized user management.

Developer tools & SDKs

Provides a REST API with examples, a PHP SDK, Laravel Nova tool, CLI tool, and other developer utilities.

GDPR & EU data residency

EU-hosted data options and a signable DPA for customers requiring EU data residency.

Pricing

Free Tier Available

10-day free trial with all features; no payment information required.

Example / referenced offering

€15 /month (example cited: up to 5 websites)
  • All features included
  • Pay per site, not per feature
  • Unlimited users per team

Use Cases

Web agencies

Client reports, multi-site monitoring and shared dashboards for agency workflows.

Marketing agencies

Track SEO scores, page speed and campaign uptime to ensure marketing initiatives run smoothly.

Hosting providers

Independent uptime validation, alerts for infrastructure issues and options for reselling monitoring.

Sysadmins & DevOps

Infrastructure alerts such as TCP ports, ping, DNS monitoring and application-level health checks.

PHP developers

Laravel-specific monitoring like application health, scheduled task monitoring and developer tooling integrations.

E-commerce

Monitor uptime and checkout flows during sales, SSL validity and performance to avoid revenue loss.

SaaS founders

Simple monitoring, status pages and notifications to keep product teams informed and reduce downtime impact.

Integrations

Slack / Slack webhooks

Send notifications to Slack channels or via Slack webhooks.

Telegram, Discord, Microsoft Teams, Google Chat

Support for popular chat platforms for incident notifications.

Opsgenie, PagerDuty

Integrations with incident management and on-call platforms.

Pushover, Ntfy, SMS, Webhooks

Additional notification channels including push, simple HTTP hooks and SMS.

Developer tools (PHP SDK, Laravel Nova, CLI, Laravel Pulse)

SDKs and CLI tools to integrate monitoring and checks into developer workflows.

Benefits

Comprehensive, single platform for uptime, performance, security, SEO and application monitoring.
Instant notifications through many channels and hosted status pages for incident communication.
Developer-friendly with API, SDKs and CLI tools for integration into existing workflows.
Flexible deployment options including EU-hosted data and a signable DPA for GDPR compliance.
All features included across plans and ability to monitor an unlimited number of websites with easy onboarding.

Limitations

No verified limitations are available.

Frequently Asked Questions

No verified FAQs are available.

Getting Started

  1. 1 Step 1: Start a free 10-day trial (no credit card required) from the Oh Dear site.
  2. 2 Step 2: Add your sites and create monitors with just a few clicks (uptime, performance, SSL, cron, AI checks, etc.).
  3. 3 Step 3: Configure notification destinations, optional status pages and SSO/user management; integrate via API or SDKs as needed.

Support

email

[email protected] for direct help.

docs

Documentation and developer resources available on the site (Docs, REST API with examples).

blog / changelog

Product updates, changelog and blog posts available from the site.

API

Available: Yes
Documentation:

REST API with examples and developer documentation available on the Oh Dear site (Docs & resources).

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