You can check with Chrome, Ctrl+Shift+I, then Audits and reload/Run. A few years ago they started promoting best practices [0] and after following it + checkin

You can check with Chrome, Ctrl+Shift+I, then Audits and reload/Run. A few years ago they started promoting best practices [0] and after following it + checking with Audit/pagespeed I got performance increases. Now it seems they abandoned their own best practices. Running an audit on a google page results in a lot of red/orange bullets. [0] https://developers.google.com/speed/docs/best-practices/rules_intro https://developers.google.com/speed/docs/best-practices/rule...