Website Uptime Monitoring

It monitors your website, dashboards, API's, and more and alerts your team when downtime happens. We also give you a Status Page which keeps your customers looped in and improves transparency.

UptimeSignal is synthetic monitoring built for developers and small teams. Add your URLs, we check them every minute from multiple locations, and alert you via email, Slack, Discord, or Telegram when something breaks. Key differences from other monitoring tools: Generous free tier (25 monitors) that allows commercial use Flat $15/month for unlimited monitors (no per-monitor pricing) Public status pages included free Simple setup - just paste a URL, no complex configuration Built for indie hackers, startups, and small teams who need reliable monitoring without enterprise complexity or pricing.

Replace three tools with one. HTTP & browser monitoring, incident management with on-call, and public status pages — all in a single platform built for engineering teams.

Self-hosted uptime monitoring built in Go. API-first, multi-user with RBAC, and smart alerts that don't flood your Slack.

Simple, affordable status pages and monitoring for indie hackers and small teams. Set up in 2 minutes.

Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immediately alerts the owner so the problem can be taken care of.

The #1 status and incident communication tool. Use Statuspage to build trust with every incident.

It is all about helping you to keep your websites up. It monitors your websites every 5 minutes and alerts you if your sites are down.

Better Stack is a radically better infrastructure monitoring platform that calls the right person on your team if anything goes wrong. Schedule on-call duties, receive helpful alerts, and collaborate on solving incidents faster than ever.

Monitoring a website is one thing – finding the best way to alert you to downtime another. At StatusCake we give you as many options as possible to decide when & how often you’re contacted. Whether it’s by email, SMS, push notifications for iOS & Android or integration with third party apps including Zapier and PagerDuty – you decide how you want to be alerted and when!

Cachet is an open source status page system written in PHP, using the Laravel framework.

updown is an online service that checks your website's status by periodically sending an HTTP HEAD request to the URL of your choice. It then notifies you by email or sms when your website is not responding correctly.

Site24x7 is an all-in-one monitoring solution that allows you to monitor every part of your IT infrastructure from Websites to Applications, to Servers (both on-premise and on the cloud) as well as your Network infrastructure.

It is a self-hosted, open-source, fancy uptime monitoring, and alerting system. It can monitor HTTP, HTTP with keywords, TCP, Ping, and even DNS systems!

It gives you insight on how well your site loads and provides actionable recommendations on how to optimize it. It is a free tool that analyzes your page's speed & performance.

It is an all in one uptime monitoring tool which monitors your URL from 10 locations around the globe ensuring that if your website ever goes down again, you get alerted within 60 seconds. It comes with advanced capabilities like SSL Monitoring, Advanced Alerting and more.

Checkly is the API & E2E monitoring platform for the modern stack: programmable, flexible and loving JavaScript. Free for developers!

Our simple, yet feature packed, status pages provide the ultimate truth-of-source for your system's current status. Skip building a homegrown solution and keep focused on your passion. Our platform will save you tons of time.

It is an easy way to track the uptime & SSL health for your websites & apps. It's website monitoring without the hassle. Multi-location uptime monitoring, mixed content detection and SSL certificate & transparency reporting. There's an API and kick-ass documentation too.

It provides website and server availability monitoring. At its most basic, the service lets users enter a list of addresses of web site addresses or other Internet based services, and then checks to see if that site or service is responding properly

Statusfy is a Status Page System, easy to use and completely Open Source. You can easily create a fast Static Generated System and easily deploy it to a variety of hosting services.

AlertBot's Website Monitoring provides businesses with around the clock testing of their website pages. This monitoring includes the testing of all possible webpage failure points as well as the verification of key performance metrics. This data gives businesses the information they need to ensure their websites are always running error-free and providing a quality user experience.

With Vortex IQ, your whole operation becomes connected, aware, and capable of taking action instantly, guided by an agentic operating system built for real-world commerce.

WebGazer is a monitoring service that checks your website, cron jobs or scheduled tasks on a regular basis. It notifies you with instant alerts in case of a problem.

Monitor services and keep your audience informed of status changes with an automated hosted status page.

web-alert.io is a simple uptime and API monitoring service built for developers, indie hackers, and small SaaS teams who want clear, reliable alerts without enterprise complexity. It monitors websites and API endpoints, sends instant downtime alerts, checks SSL certificates, and tracks response times — all inside a clean, minimal dashboard. Setup takes under a minute, and there’s a free plan included. Perfect for small projects, micro-SaaS, client sites, and devs who just want to know when something is down.

Modern uptime and performance monitoring for websites and APIs, with rich reporting, flexible alerting, and competitive pricing. More than just HEAD requests: choose an HTTP method, headers, and body for any request.

Uptime.com provides peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health, and downtime of their websites.

It provides improvement points to locate the source of problems in hidden areas that were not found in other products.

A quick & beautiful status page for your company. Get a status page that's 10x faster. Keep your customers happy even during downtime. Reduce tickets. Build trust.

Website performance monitoring, simplified for small teams. It's not a expensive APM "solution" or a complex query language to learn. It is the key metrics you need to know to keep your website running fast and your customers happy.

Pingbreak is an original and free monitoring service. Get notified if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message on Twitter, WebHook, Discord channel, Slack or Mattermost.

Picreel converts website visitors to customers with custom popups, advanced targeting, segmentation, and A/B testing for maximum campaign optimization.

When it comes to downtime, seconds count. We monitor your site around-the-clock to make sure it never skips a beat. We offer HTTP, HTTPS, RUM, DNS, ICMP, IMAP, POP3, SMTP, TCP, UDP, and Transaction monitors.

It replaces manual, stressful processes for managing and communicating systems status to your customers. Launch one or more public or private status pages in minutes.

AI Powered website monitoring for uptime, performance, SSL, DNS, visual & content changes. Intelligent alerts before customers notice. 14-day free trial.

Build your status pages within minutes. The best FREE status page alternative that provides superior status page customisation along with incident communication features. Seamlessly integrate with other tools via Webhook & APIs.

We help organizations reduce the impact of downtime and establish efficient and flexible communication with their customers and teams during incidents and maintenance events.

Checkup can be customized to check up on any of your sites or services at any time, from any infrastructure, using any storage provider of your choice. The status page can be customized to your liking since you can do your checks however you want.

Effective communication by sharing your current status with both your in-house employees and your audience through both hosted status page and various integrated channels of StatusEntry.

Receive alerts when your website or API is down through emails, Slack or SMS, integrated with real time data and insights

It is a command line application to monitor every part of your web app using a simple JSON configuration file. Get alert not only when your site is down but also when it's slow.

It is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes.

Combined uptime, performance monitoring and built-in status page in one service.

Stashboard is a status dashboard for APIs and software services. It's similar to the Amazon AWS Status Page or the Google Apps Status Page. Stashboard was originally written by Twilio to provide status information on its Voice and SMS APIs. Stashboard is designed to provide a generic status dashboard for any hosted service or API. The code can be downloaded, customized, and run on any Google App Engine account.

It is a web monitoring tool that keeps you up to date and up to speed. If you're looking to keep track of updates on any website or social platform, it is the tool you need.

Using our stories feature, you can test many different features of your live, production website. It could be you need to find out if logins are working. Whatever it is, StillAlive can (or will) be able to test it.

It is a web-based service that monitors the availability and loading speed of any website, server, network, basically any network asset you grant access to. After failure detection, it alerts you in numerous ways. It's most distinguishable service is its transaction monitoring and custom scrips.

It is an Infrastructure monitoring as a service for public/private cloud, on-prem and hybrid environments. Built for SaaS, e-commerce, service providers and enterprise.

A Decentralized StatusPage with no single point of failure published to IPFS.