This Chrome / Firefox extension measures page load time and displays it in the toolbar. Navigation Timing API is used for precise measurement.
- Uptime Monitor Service
- Free • Open Source
- Google Chrome
- Firefox

This Chrome / Firefox extension measures page load time and displays it in the toolbar. Navigation Timing API is used for precise measurement.

WatchSumo monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem.

LFi gives you the tools to achieve digital success. Our platform provides high level customised Web Governance reports which create lightning speed comparisons across all your websites. Content quality, Uptime, Accessibility, Tag Management and more!.

Stasis uses machine learning to model normal activity patterns for your website or app, then lets you know if something looks unusual.

Check the website is a service that notify you when down. It's totally free. You can get notify by email, slack, telegram, desktop application and browser extension.

Checkly provides a better way to monitor your API endpoints and browser click flows from a single, simple dashboard.

Monitoring focused on clarity and shared visibility, without DevOps-level complexity.

Simple website availability and uptime monitoring tool. No installation, checks for backend and frontend errors.

Low-cost website and mail server monitoring software dedicated to webmasters and system admins. Sends a warning by e-mail or messenger when your website or web-app goes down. Can also trigger other actions by calling URLs.

Web monitoring service, which checks website every 5 minutes. It detects when it's offline, redirected, broken or even hacked. Provides SMS and email notifications, statistics and logs.

Uptinio is a real-time monitoring tool for websites, servers, and services. It includes uptime, SSL, domain expiration, keyword, game server, and cron job monitoring.

Mission Control will scan uptime, SEO, domain, SSL but also handle error logging, app alert notifications through Slack and email.

dashboards.io - Visual Dashboards giving real-time visibility of your business through monitoring and alerting so you can concentrate on your business while we take care of your systems. Using Google Analytics, PageChecks, WebPings and SSL Checks.

Host Mon allows you to monitor up to 5 hosts completely free. Host Mon even sends offline and recovery emails for all monitored hosts and websites. There are embeddable uptime widgets you can use on existing websites as well.
Universal, accurate, uptime monitoring, alerting and reporting for all network hardware and software, for high power without high cost. Swift setup, hands-off background operation that's light on your time, your network and your budget.

Uptime Monitor: Start monitoring in less than 30 seconds. Free Monitoring Robot for Uptime of your website, keyword, cronjob, port. Get notified by by phone, voice, email, sms and more. Website Uptime Monitor, Keyword monitor, Network uptime monitor, Cron monitor, Job...
Simple uptime monitoring with SSL tracking, status pages, and smart alerts. Built for developers and small teams who value simplicity.
sendQuick onCloud is a systems availability monitoring and notification management platform for the cloud. It works with public cloud services to monitor systems, applications, services, and networks and flags up issues to your staff on duty.

Domain Monitor is a suite of tools that offer the full solution to monitoring domain and website uptime. Users can sign up and add multiple websites and domain names and the service will notify users of potential downtime and/or issues through either SMS or Email (other channels...

EZ Website Monitoring provides keyword rank tracking, uptime monitoring, and error checking for your website.

KIT.DOMAINS is a convenient and reliable tool designed to make domain monitoring accessible and effective for everyone.

Uptime monitoring, alerting and reporting for applications, servers, networks, databases and more.

UpTower is an easy-use tool for website monitoring. UpTower checks websites in 1-minute intervals and notifies user via push notifications about every outage immediately. Using UpTower app user can monitor websites and their availability for free.



KumaBar is the essential macOS app that provides a quick status view of your selected Uptime Kuma and Healthchecks.io monitors. This powerful uptime monitoring app integrates seamlessly into your menu bar for instant server monitoring.

Server monitoring and network monitoring software from the cloud.


