Rules of valid html/html5 layout, where to find?

Good evening! Please tell me the resource for Russian language rules valid layout. The required attributes of tags and so on. Still frustrating when a site doesn't pass validation, I want to fix this moment.
September 19th 19 at 12:17
1 answer
September 19th 19 at 12:19
Where the validator writes error. In General, I recommend:
htmlbook.ru
www.w3schools.com/html/default.asp
Actually just looked at the errors the validator and corrected, to impose valid a lot easier than to impose invalid) - Germaine.Abbott21 commented on September 19th 19 at 12:22

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