Yes, it is possible, but with a max delay of ~ 1 min. This can be done with cURL and a cron that checks every minute if x-litespeed-cache header is miss and if header is miss you can be notified per email or almost everything you want to.
What you see below is a test result of a traceroute from my own loaction (Central Europe) to your server. The connection isnt't bad, but your host isn't very good. It seems your host has no good connection to internet backbone. In this case I would choose a better one.
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You can't choose the location that gives the best result if server test location is thousands of kilometers far away from your loaction. Such test and result will also be bad. If you want a real check of your server you must use the next server to your location. If GTMetrix wants money for other...
You are from Middle East and if you test your page with GTMetrix and if you choose London as test server you will always get bad results. You must choose a server location next to your country. Maybe Dubai?
If you want to know if a browser already has the HSTS flag added, follow these instructions:
https://security.stackexchange.com/questions/92954/how-can-i-see-which-sites-have-set-the-hsts-flag-in-my-browser
Okay sit down and fasten your belt. ;)
First of all some basic information. If a browser requests a URL and the URL has https a handshake between browser and client happens. Both parties "discuss" about the connection before any data can be sent. If a server supports only http/2 this discussion...
@harwester
You don't have a problem with LiteSpeed or LScache. You seem to have a missconfiguration which address is the unique URL of your page. Before you provide Google & Co with any URLs or sitemaps determine the exact URL of your page. https://www.domain.com is not https://domain.com, but...