Google swears at my google fonts, how can I solve the problem?

Question

Google

Hello! Please tell me how can I solve this problem? Google PageSpeed ​​swears at my google fonts.. How can I solve the problem?

Answer 1

It is unlikely that he swears with obscene words, while dodging the answer to the question "what happened"? It seems to me that he intelligibly explains the reason for his abuse and offers solutions, doesn't he?
UPD: as I rightly noted, he brought a complete instruction to action, what is incomprehensible to you in it?

Answer 2

if inserted into html - will not pass validation. Asynchronously - their jokes. I would not bother, these recommendations are most likely not for all cases. In general - look at some big bourgeois sites, look at how it's done there.

Answer 3

So it is written what needs to be done, paragraph 3