CrawlRhino SEO Monitor is a website uptime and SEO monitoring tool that tracks downtime, response times, and changes to important SEO elements such as titles, meta descriptions, and headings.



Netthrob is described as 'Runs automated verification checks on your website every three minutes from five different geographies and immediately informs you through Phone, SMS & Email when your site goes down' and is a Uptime Monitor service in the network & admin category. There are more than 100 alternatives to Netthrob for a variety of platforms, including Web-based, SaaS, Windows, Linux and Android apps. The best Netthrob alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Netthrob are Tianji, UptimeRobot, Pingdom and HetrixTools.
CrawlRhino SEO Monitor is a website uptime and SEO monitoring tool that tracks downtime, response times, and changes to important SEO elements such as titles, meta descriptions, and headings.







Monitors your websites every 1 minutes, totally free. Get alerts by e-mail, SMS. Add up to 3 websites for free,. Monitors can be refreshed for an instant check with a click. Supports https.

Simple, modern looking server status page with administration, that can run even on shared webhosting. More features are currently developed.








Notifier monitors your websites, APIs, and servers around the clock and alerts you the moment something goes down. It checks as often as every 30 seconds and sends notifications through email, SMS, voice calls, and Slack so you never miss an outage.

ServersUp.net can check a number of different services on different hosts to make sure those services are up and running. It will send alerts when the statuses change.
Free website and server monitoring. Remote website, web server & server monitoring from worldwide locations with SMS & Email alerts.
Monitoring availability and performance of websites & web applications. Checking uptime, content, testing forms & transactions, measuring page loading speed, watching for domain and SSL certificate expiration.




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.



An honest status page that shows your historical downtime in full and lets your customers trust your service more by seeing exactly what your uptime is.

DNS Check is an application which compares the DNS records that you enter to what nameservers are returning in response to queries. If there's an issue, DNS Check will notify you, and enable you to quickly identify what it is. Issues which can be detected include:
