For an example, due to this error I'm currently unable to play Golem Quest (while another web-game, https://donitz.itch.io/dreader, was able to load just fine)

https://celia14.itch.io/golemquest

My browser (Firefox 82.0) says "The server at v6p9d9t4.ssl.hwcdn.net is taking too long to respond."

Yesterday I was unable to load Golem Quest, then after some time able to load it.

P.S. While I was typing this message I checked Golem Quest again and was able to load it. Probably because server changed?.

I suspect it has something do with cumbersome attempts of government of my country to block sites. Maybe you can figure out what your servers don't work for IP addresses like mine and give me only servers that I can access?

That URL is for our CDN that hosts html5 games, it’s possible they may be having temporarily regional downtime. Alternatively, if it is your country’s internet then that’s outside our scope. We’re currently not aware of any widespread issues so there’s not really anything we can do at the moment.