You can also try to eneable FPM and Nginx caching to improve the performance
Caution! If your website has .htaccess file with a lot of rewrite rules and other website settings, then PHP-FPM served by Nginx would break functionality. Also, the website code has to be compatible with the latest version of PHP.
1 . In your customer control panel go to “Webhosting plesk” menu and choose “more tools”
2. within plesk go to “PHP settings”
3 Select the “run PHP as FPM application served by Nginx” and apply the change
4 Now you can enable the Nginx caching. Go to “Apache & Nginx Settings”
5 Under Nginx settings enable “enable nginx caching”
You can use the default settings as configured above - Cache size: 64 MB - Cache timeout: 5 seconds - Cache key: $scheme$request_method$host$request_uri
6 click “Apply” to save settings
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