Whohoo! I optimise my webpage and got 100/100 in the Google Page Speed Insight
After remove Yandex search from http://poplauki.eu from index back boilerplate website version. Second bad thing is large bandwitch on first load – about 1.5 Mb. It to large for simple 5 page site. Fix side menus for mobile browsers. So ended experiments with personal website builded with React.
The Laws of Computing….. from source First law – The Computer is always right.
Update SEO of the main page poplauki.eu by https://github.com/h5bp/html5-boilerplate/blob/5.3.0/dist/doc/extend.md Add microformat`s by Shema.org . Validate with Google testing tool Add Twitter and Facebook card Add separate meta tag to detect mobile device and redirect to mobile website version