Which browsers support import and export syntax for ECMAScript 6?
It’s supported in: Safari 10.1 Chrome 61 Firefox 54 – behind the dom.moduleScripts.enabled setting in about:config. Edge 16
browser-support
Why is HTML5 input type datetime removed from browsers already supporting it?
The only reason I can think of is browser vendors losing faith in the standard being approved, therefore removing the implementation from their code. To support this thought: W3C just removed both datetime and datetime-local from their working draft. Browser vendors will eventually drop support of both of them. According to html5test most of the … Read more
How to check if a website has HTTP/2 protocol support
You can just check it in: Chrome Dev Tool (F12) → Network → Protocol. It will tell you the protocol used and the domain of each transfer. Legend http/1.1 = HTTP/1.1 h2 = HTTP/2 Note: If you cannot see the Protocol column, just right-click on any header and check the “Protocol” label.