How to speed up website loading speed with Google PageSpeed? VK vs Facebook

🔥 Super Start 2.0 - tpverstak.ru/su...
Make up a site is the least we can do. Include in the cost of work such an item as “optimization” in order to earn more and please the customer. Check your sites in the validator and Google PageSpeed ​​Insights. We will also compare the performance of two popular sites: VK and Facebook.
Links from the video:
WebDev Channel - / yauhenkavalchuk
HTML Validator - validator.w3.org
CSS Validator - jigsaw.w3.org/...
Google Page Speed ​​- https: //developers.google.com/speed/p ...
PNG and JPG image compression - tinypng.com
SVG Compressor - jakearchibald....
CSS Compressor - csscompressor.com
JS Compressor - jscompress.com
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Buy Frontend Book diary - tpverstak.ru/f...
Ask a question to the front-end for free - frontendhelp.m...
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Website - tpverstak.ru
VK - tpverstak
Instagram - / tpverstak
Telegram - t.me/tpverstak
Telegram Chat - t.me/tpverstak...
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Courses and marathons - tpverstak.ru/co...
Reviews - topic-1...