Why html is not cached?

https://gtmetrix.com/reports/swiadomosc-zwiazkow.pl/h9uAMHdL#waterfall

Please see in waterfall first position which is link to the page.

Cache-Control

max-age=0, no-cache, no-store, must-revalidate

Pragma

no-cache

I have integration with cloudflare and have standard caching level.

Eleganticons is icon from homepage and it is not cached too (status: MISS)