Google Analytics - Improve your website to increase conversions, improve the user experience, and make more money using Google Analytics. Measure, understand and quantify engagement on your site with customized and in-depth reports.
UptimeRobot - Free Website Uptime Monitoring
Counter - Counting characters and words in the text layer.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Uptime Kuma - A fancy self-hosted monitoring tool.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring