Microsoft Clarity Clarity is a free user behavior analytics tool that helps you understand how users are interacting with your website through session replays and heatmaps.
Can I use… Support tables for HTML5 Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
Internet Speed Test How fast is your download speed? In seconds, FAST.com's simple Internet speed test will estimate your ISP speed.