Monitor your website for spelling errors, layout issues, security vulnerabilities and slow pages.
PageWatch renders every page of your site in a real browser to catch any potential issues before they become problems.
DebugBear - Track site speed and Core Web Vitals
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.
Wattspeed - Wattspeed helps you measure and monitor the performance of your website.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
GTmetrix - GTmetrix is a free tool that analyzes your page's speed performance. Using PageSpeed and YSlow, GTmetrix generates scores for your pages and offers actionable recommendations on how to fix them.
Better Uptime - We call you when your website goes down