cache

Hello, I am currently working on a comprehensive guide to using Redis as a cache, and I would like to include a detailed section on how Redis works as a cache and the reasons for using it in this capacity. Redis is known for its excellent caching capabilities, and understanding its mechanisms...

I am using free version of Redis Object Cache free plugin but I see that they are offering paid version of this plugin, not sure it is better than free or not. Did anyone use Redis Object Cache Pro WordPress plugin, pls give me any advice?

How can I purge old redis cache? my website runs monthly without any reboots and I suppose redis cache data will be big and it should be purged to have a new start. I read on the net and see some commands to run in SSH but not sure which is correct. Can anyone tell me which command to run to...

I heard about Litespeed Cache? Is it good? should I replace memcached with this?

I checked many sites with cache:example.com on Google, including my sites, Google stop caching sites since 3-28 or 4-3-2019, mean it happened 1 month ago or more than that. This makes backlinks and content on my sites are not updated. What do you think? what are reasons Google slowly update caches?