There is nothing special with your specification. If you want real speed keep the cache always warmed or use LiteCache Rush. If you want Speed Illusion optimize.
You're following a typical and widespread narrative. PageSpeed and Lighthouse cannot measure actual loading time and performance. Therefore, server performance measures play no role in PageSpeed and Lighthouse and do not change the score.
LiteCache Rush - WordPress Performance starts with...
Just invest some minutes and read the linked pitch carefully. At the end LiteCache Rush will solve all performance issues!
https://www.cachecrawler.com/Rush:::45.html
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start...
A PageSpeed score has nothing to with "Speed of Page" or performance or good or bad the LSWS configuration is. PageSpeed measures how fast the content is displayed AFTER the loading assets are displayed in browser window or in other words, PageSpeed measures how fast a page "feels". PageSpeed...
Ask hosting support for help.
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
Please ask PrestaShop for support.
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
This means there is really no existing action that purges the cache! Whatever you expect, it doesn't exist, so this is not a LiteSpeed issue, but an issue of wrong or misunderstandig. Neither the LiteSpeed cache plugin nor PrestaShop supports any function to purge the cache by using PrestaShop...
Check the PrestaShop error_log. There you will find the reason.
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
As the LiteSpeed cache plugin has no special function to purge the cache by PrestaShop webservice this service needs additional custom code to purge the cache, but I think this is not possible. That is why you need custom programming which can be done very easely and can assist you. But you...
Not IP, but port. Quic needs port 443 to be open!
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
You answer the question yourself. If access is denied then something blocks port 443 or port is not open.
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
Some details about the webservice used would be helpful.
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
Cache-Control is still: public, max-age=3600
Cache-control for css: public, max-age=604800, no-store
should be: public, max-age=31536000
Cache-control for js: max-age=31536000, public
correct
Cache-Control for images: public, max-age=31536000,public
should be: public, max-age=31536000
You...
Please separate: Cache-Control is not the same as X-LiteSpeed-Cache-Control! Cache-Control is used for browser cache or caching of static sources. Dynamic sources also have a Cache-Control, but configuration for dynamic sources (the main_document) must be private, no-cache, max-age=0. The...
You have a wrong browser cache-control configuration for dynamic sources. Currently it is public, max-age=3600, but should be private, no-cache. This can cause the reported issue as the html content is cached by the browser.
LiteCache Rush - WordPress Performance starts with Prevention, not...
Did you configure ESI for the cart in cache plugin settings?
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With Optimization
If Journal 3 mini cart is not listed in the ESI tag selection field, you cannot use ESI for this module. As far as I know LiteSpeed doesn't support 3rd party modules like Journal 3 mini cart for OSC and you need a AJAX function to add items to the cart.
LiteCache Rush - WordPress Performance...
There must be no cache rule for HTML caching in CF cache configuration if you want to use reCaptcha on the origin host.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
LiteCache Rush - WordPress Performance starts with Prevention, not with optimization. Why WordPress Performance Doesn't Start With...