As you might already know, LiteSpeedWeb Server is fastest compared to Ngnix and Apache.
You probably wanted to speed up your website speed by switching your web server from Apache to LiteSpeed Web server, but migrating from Apache server to LiteSpeed Web Server got you in trouble.
There is chances that WordPress is showing “404 Not found” error and no page of post links are working except homepage and wordPress admin dashboard.
404 Not found Error in WordPress using Litespeed Web Server
Don’t panic, your website is still safe if it’s showing you 404 Not found error after you migrated to LiteSpeed.
Solution:
1. Login into FTP or file manager and locate to your wordpress directory(normally its under “public_html”)
2. Edit your .htaccess file using file manager edit function