UptimeRobot
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(s), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or push. View uptime, downtime and response times.
Meet Avospy. Website monitoring, instant alerts, SEO analyzer, spying your competitors... all in one dashboard. Track and analyze errors, website speed, redirects...
Meet Avospy. Website monitoring, instant alerts, SEO analyzer, spying your competitors... all in one dashboard. Track and analyze errors, website speed, redirects, sitemaps and much more. Try for free, no credit card required.
Official Website
Twitter
Facebook
Network Monitoring SEO Audit Performance Monitoring Uptime Monitoring Downtime detection
network-monitoring seo-audit website-monitoring monitoring performance-monitoring server-monitoring webmaster-tools uptime-monitoring twitter-notification downtime-detection
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free. Monitor HTTP(s), Ping, Port and check Keywords. Get alerted via e-mail, SMS, Twitter, web-hooks or push. View uptime, downtime and response times.
Freemium Web
StatusCake enables the visitor to track unlimited websites for free and get alerts when the site is down or having trouble. StatusCake also tracks performance over time so a webmaster can detect issues because they arise.
Freemium Web
Servitor is the easiest way to monitor your servers and website for resources, uptime, ssl certificates, mixed contents en broken links.
Freemium Linux Web