UptimeRobot offers a comprehensive website monitoring service, designed to alert you the moment your website experiences downtime. Be the first to know if your site is down, allowing you to address issues before they significantly impact your users or revenue. The service includes various monitoring types:

• Website monitoring: Checks your site's availability at regular intervals.
• SSL monitoring: Notifies you 30, 14, and 7 days before your SSL certificate expires, preventing visitor warnings and potential loss of trust.
• Domain expiration monitoring: Helps you keep track of your domain's expiry to avoid service interruption.
• Cron job monitoring (heartbeat monitoring): Ensures your recurring background tasks and connected intranet devices are functioning correctly.
• Port monitoring: Verifies the status of specific services like email or database servers by checking their ports.
• Ping monitoring: Uses standard ping checks to assess the availability of network devices.
• Keyword monitoring: Checks for the presence or absence of specific text in your website's response body, useful for verifying content integrity.

Advanced features include multi-location checks to prevent false positives, customizable maintenance windows, and response time monitoring to identify performance issues. Get notified through various channels such as email, SMS, Slack, Telegram, Discord, Microsoft Teams, Zapier, and webhooks. You can also create white-labeled status pages to keep your customers informed about incidents and planned maintenance. The service offers a generous free plan with 50 monitors and 5-minute checks.

Hyperping offers all-in-one uptime monitoring and status page solutions designed for reliability without excessive costs. It ensures your critical systems are comprehensively checked, and downtime notifications reach you promptly. Create professional status pages to maintain clear communication with your customers.

Key Monitoring Features:

• 24 types of checks from 19 global regions.
• Includes HTTPS, SSL/Certificate, ICMP, SSH, SMTP, TCP Port, Cron jobs.
• Advanced options like Synthetic monitoring, Text assertion, and API monitoring.

Effective Notifications:

• Escalation policies to define alert channels, recipients, and timing.
• Integrations with Slack, Microsoft Teams, email, and SMS.
• Easily invite teammates to receive relevant alerts.

Full-Featured Status Pages:

• Utilize custom domains for brand consistency.
• Manage components manually and offer subscriber updates.
• Support for multi-language and protected pages.
• Integrated incident management tools.

Enterprise-Ready:

• Single Sign-On (SSO) with popular IdPs like Okta, Azure, or Google.
• REST API for seamless integration.
• GDPR compliant, as a French company hosted in EU data centers by EU companies.
• Custom email addresses for status updates and escalation policies.

This platform focuses on serving users, not investors, ensuring a great experience and feature set at a competitive price. It's trusted by numerous fast-growing startups and DevOps teams for its reliability and comprehensive capabilities.

Ensure your services are always online with best-in-class uptime monitoring. Benefit from fast 30-second checks from around the world, complete with error screenshots and second-by-second timelines. Understand connection and request timeouts with Traceroute & MTR outputs, and test vital user interactions using Playwright transaction monitoring.

This platform offers comprehensive monitoring for:

• Web pages and APIs
• Ping, SSL, and domain expiration
• POP3, IMAP, SMTP, and DNS
• Cron jobs and serverless workers

Key benefits also include:

• Smart incident merging to reduce alert fatigue.
• Flexible incident escalations tailored to your team's availability and incident origin.
• Unlimited voice call alerts, alongside SMS, email, Slack, Teams, and push notifications.
• Seamless integration with your existing stack, including Datadog, New Relic, Grafana, Prometheus, and major cloud providers.
• Elegant, customizable status pages on your own subdomain (e.g., status.yourdomain.com) to communicate system status, ongoing incidents, and planned maintenance, allowing customers to subscribe to updates.
• A generous free tier provides 10 monitors, 10 heartbeats, and a status page with 3-minute checks, making it accessible for projects of all sizes. Replace multiple tools and save costs with a unified solution.

OpenStatus combines uptime monitoring with transparent status pages to help you communicate effectively during incidents. Monitor your services from 28 regions worldwide across multiple cloud providers and automatically populate your status page with real-time data.

Key Features:

• Global Monitoring: Track uptime from 28 regions across Fly.io, Koyeb, and Railway
• API Monitoring: Validate responses with assertions, thresholds, and body validation
• Customizable Status Pages: Use themes, custom domains, and branding options
• Monitoring as Code: Configure monitors using YAML with GitHub Actions integration
• Private Locations: Deploy 8.5MB Docker image for internal monitoring
• Multiple Notification Channels: Email, Slack, Discord, RSS/Atom, and SSH subscriptions

Benefits:

• Proactive Communication: Notify users before they discover issues themselves
• Transparency: Build trust by openly sharing service status and incident updates
• Fast Response: Get immediate alerts when services go down
• Professional Appearance: Password-protected pages for internal teams or public transparency

The platform offers monitoring as code capabilities, allowing you to define monitors in YAML configuration files and integrate with your existing CI/CD workflows. With OpenTelemetry export support and comprehensive API monitoring including status codes, headers, and response validation, OpenStatus provides enterprise-grade monitoring with open-source flexibility.

Ensure your online presence remains robust and reliable with comprehensive website monitoring. This service keeps a vigilant eye on your websites 24/7, alerting you instantly to any issues such as downtime, slow performance, or broken links. By receiving immediate notifications, you can address problems proactively, often before your visitors or clients even notice, safeguarding your professional image and user experience.

Key monitoring capabilities include:

• Website Uptime & Performance: Get alerted if your site is unreachable or slow.
• Broken Link Detection: Automatically find and report broken links.
• SSL Certificate Monitoring: Avoid security warnings by tracking SSL certificate validity and expiry.
• Lighthouse Audits: Automate Lighthouse tests to monitor performance, accessibility, and SEO.
• Server Health Checks: Test server availability and performance.
• Cron Job Monitoring: Ensure your scheduled tasks are running correctly.
• Domain Expiry Alerts: Receive warnings before your domain expires.

Generate beautiful PDF reports to share performance data. This tool is ideal for agencies wanting to monitor client sites, businesses needing to prove hosting quality, and anyone who wants to maintain a healthy, high-performing website. Integrates with popular platforms like WordPress, Drupal, Slack, and Teams.

incident.io is a comprehensive incident management platform designed for modern engineering teams who need to move fast when things break. The platform combines on-call scheduling, incident response, and status pages into a unified solution that helps teams resolve issues quickly and maintain customer trust.

Key Features:

• AI-powered on-call management with intelligent scheduling and noise reduction
• Integrated Slack and Microsoft Teams support for seamless communication
• AI SRE assistant that investigates issues and suggests fixes automatically
• Automated status pages to keep customers informed during incidents
• Workflow automation to ensure consistent incident resolution

The platform is built for fast-moving teams at companies like Netflix, Airbnb, Etsy, and Skyscanner. With AI at its core, incident.io transforms how teams handle incidents - from the initial alert through to resolution and post-incident analysis.

Benefits include:

• Faster incident resolution with fewer people involved
• Reduced alert fatigue through intelligent filtering
• Improved customer communication during outages
• Consistent incident response processes across teams
• Deep integration with existing development workflows

The platform offers unmatched deployment speed and is designed to be easily adopted across entire organizations, making incident management accessible to both technical and non-technical team members.

Oh Dear is a website health monitoring tool built for agencies and teams managing multiple client sites. It checks uptime every minute from multiple locations worldwide, but goes beyond simple "is it up" checks to catch problems a green status dot misses: expiring SSL certificates, DNS changes, failed cron jobs, broken links, performance drops, and mixed content warnings.

You get one dashboard showing every site you manage. When something breaks, alerts route to the right person on Slack, Teams, PagerDuty, Opsgenie, or via webhook. Each client gets a branded status page so they see updates without emailing your team during incidents.

Key capabilities include:

• Uptime monitoring checked every minute from multiple global locations
• SSL certificate tracking with alerts before expiry
• DNS and domain monitoring to catch unexpected changes
• Cron job monitoring for scheduled tasks that fail silently
• Broken link detection through daily crawls of every page
• Performance tracking with daily Lighthouse scores
• Status pages customizable for each client
• Monthly reports showing uptime, performance trends, and SSL health, ready to send with your branding
• 10+ notification channels so alerts reach the right person instantly

Pricing is per site, not per feature. You pay for the number of sites you monitor; every check and every feature is included from your first site. Unlimited team members can access your account. The tool is EU-hosted and GDPR-friendly with a signable DPA and no third-party tracking.

Oh Dear has run over 68 billion checks and sent 39 million alerts across production environments for companies like Laravel, Obsidian, Bitmovin, and Stanford University. It's designed for agencies that need to hear about problems before clients do.

StatusPage.me combines multi-region uptime monitoring with hosted status pages, offering a unified solution that costs significantly less than traditional monitoring stacks. Instead of paying $150+ monthly for separate tools, get both monitoring and status pages for just $15/month.

Key features include:

• Multi-region monitoring - Check websites and APIs from multiple locations with automatic regional failover to avoid false alarms
• Hosted status pages - Professional, brandable status pages that customers can trust and bookmark
• Built-in incident management - Turn outages into clear timelines with public updates and subscriber notifications
• Smart alerting - Send notifications to email, Slack, Discord, Telegram, or webhooks when issues occur
• Response time tracking - Monitor uptime percentages and response times with detailed incident history

The platform starts with a genuine free plan (no credit card required) offering 1 status page, 3 monitors, and 180-second check intervals. Open-source projects can access Pro features free through the OSS Hero program.

Trusted by 52+ teams with over 7.3 million checks performed, StatusPage.me eliminates the complexity of managing multiple monitoring tools while providing the transparency your customers expect during incidents.

Phare combines essential website monitoring tools into one comprehensive platform designed for businesses that value reliability and transparency. This European-based solution offers 24/7 uptime monitoring with instant alerts, ensuring you're the first to know when issues arise.

The platform features intelligent incident management that facilitates team collaboration during critical situations, helping minimize downtime through coordinated response efforts. Customizable status pages keep users informed during maintenance periods and outages, maintaining transparency with your audience.

Key advantages include:

• Privacy-first analytics with no cookies or tracking, providing traffic insights for data-driven decisions
• Unlimited team members across unlimited projects with straightforward billing
• Extensive integrations with popular tools for seamless workflow integration
• European hosting across Germany, Slovenia, Netherlands, and France - no big tech dependencies
• Carbon-neutral operations running on 100% renewable energy with 2% revenue donated to carbon removal

Trusted by 700+ startups, agencies, and SMBs, Phare maintains an impressive 4.8-star average rating and earned Product of the Day recognition. The platform offers free access to all features with no credit card required, making it accessible for teams of any size.

With its clean interface, robust API documentation, and commitment to sustainability, Phare represents a thoughtful alternative to traditional monitoring solutions.

StatusPal provides a robust solution for hosted status pages and monitoring, making incident communication straightforward and efficient. It helps organizations save time and maintain user trust during critical periods by enabling effective communication about incidents and scheduled maintenance. Key benefits include:

• Reduced manual work: Powerful automations manage status pages, minimizing manual intervention.
• Built for growth: Offers unlimited status pages to accommodate expanding product suites without additional costs.
• Seamless integration: Connects with over 40 existing systems, workflows, and environments.
• AI-powered multi-language support: Provides AI-driven translations in 10+ languages, saving significant time.
• Centralized system status: Displays uptime graphs, calendars, and key metrics for 24/7 performance awareness.
• Effective notifications: Intelligently informs the right people at the right time, reducing "Is the service down?" support tickets.

The platform also features a powerful API for custom integrations and is ISO 27001 Certified, underscoring a commitment to information security and data privacy.

Ensure your online presence is always active with straightforward website and SSL certificate monitoring. Get instant notifications the moment your site goes down or your SSL certificate becomes invalid. This service focuses on the essentials, providing fast and reliable checks every 30 seconds – significantly quicker than many alternatives, allowing you to react immediately.

Key benefits include:

• Rapid 30-second checks: Be alerted to issues up to 10 times faster.
• Comprehensive SSL monitoring: Receive warnings before your SSL certificate expires.
• Versatile notifications: Stay informed via Email, SMS, Slack, Discord, Telegram, or webhooks.
• Public/Private status pages: Share uptime statistics and live status with custom domain options. Multi-language support included.
• Team access: Grant your entire team access to monitor metrics.
• Developer API: Integrate monitoring into your applications or build custom notification systems.

This service, built with simplicity at its core, is for anyone who needs to quickly know if their site is online and secure. It's accessible on any device and offers transparent pricing with all features included, ensuring you have exactly what you need for effective monitoring.