Pingkat's answer:
There is no many (discovered) saas based and zoro-config options for websites owner.
Pingkat's answer:
Websites / web app owners
Curler - Dead Simple Free Uptime Monitoring
Hexowatch - Your AI sidekick to monitor any page for changes
ncScale - Datadog for No-Code, 1-click Monitoring for No-Code stack!
Trackingplan - Ensure the quality of your digital analytics.
Hyperping - Cheap uptime and performance monitoring with detailed reporting and flexible alerting
Simple Ops - Simplify website performance and uptime monitoring with alerting, ssl check, chrome ux metrics, multi locations