Why the site has such a bad optimization?

Guys, what's the problem? Why optimize only 71/100? HTML, CSS, IMG, compressed, optimized and all should work fine. BUT pageSpeed gives such a bad result. The link to the page https://hardyhsm.github.io/pasco/pasco.html
June 7th 19 at 14:29
2 answers
June 7th 19 at 14:31
He says that he does not like.
A lot of fonts.
The picture in the header is very large for mobile - need for a media query to replace it for less.
Headers the web server is not configured
June 7th 19 at 14:33
The first item in many places CACHING is specified. You suggest to increase the cache lifetime. Now the heap of files lifespan of 10 minutes


file main.css expires:Sat, 03 Mar 2018 12:43:28 GMT

PS though, in fact I have , for example, all taken from the cache anyway)))). But if you need to please Google, try to follow their recommendations

I would also and some pictures would be stung. But it's my thing))

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