How confident are you that {{ site.url }} website has no JS errors?

Too Long; Didn't Read

Today, websites are more and more relying on JavaScript to be fully functional. <a href="https://hackernoon.com/tagged/javascript" target="_blank">JavaScript</a> errors can dramatically affect end user experience. It’s important to detect such errors and fix them before they hit your end users. The vast majority of <a href="https://hackernoon.com/tagged/tools" target="_blank">tools</a>, if not all, help to find JavaScript errors with Real User Monitoring. This kind of tools is not the silver bullet though. For example, they can trigger a significant volume of false positives due to extensions like ad-blockers or proxies. Moreover, these services break the “never trust the client” rule.