I look to source code of one channel videos and found that in his tags (keywords) except thematic tags, he has this:
\u0442\u0443\u0440\u043d\u0438\u0440,\u043a\u0430\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u044c
what it can be? some tricks for optimization?
Also, what is better for...