The hosting question appears almost weekly in any random forum. It used to be a topic in the Hardware and performance forum https://moodle.org/mod/forum/view.php?id=596. Even now, as you are writing a new discussion https://moodle.org/mod/forum/post.php?forum=94 says, "Advice on finding an internet hosting service also belongs here". The Performance FAQ has this: https://docs.moodle.org/en/Performance_FAQ#What_hosting_provider_do_you_recommend.3F.
Hardware and performance
Moodle on shared hosting
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