My website suddenly slows down: WordPress

Hi, I don't know why, but suddenly my website is gradual. Especially on the affiliate panel, do you know why? Plugins should be properly, maybe true hacked my website? I use the WP Rocket plugin, so it is not null with the distinction, also I have the latest modernization of wordpress 5.6 and the translation of PHP 7.4.5. My topic is: tagDiv report topic. My plugins are: WP Quads PRO, Disable XML-RPC, Google Analytics, Icegram, Nginx Cache, Pretty Links, Query Pedagogo, Site Kit, tagDiv (library galore, Composer, Standard Pack), Wordfence, WP Rocket, WPS Hide Login and Yoast SEO. By valenza help me guys, my website: https://minecraftsketchbros.eu