Tick_Dracy, 10 months ago I use a few: Adguard (blocking ads). Vinegar (blocking YouTube ads and allows me to use iOS video player, with PiP, alongside other options like default video quality). SponsorBlock (Skip YouTube ads. Works great without Vinegar, and just okay alongside Vinegar). Baking Soda (like Vinegar, allows iOS default video player with other websites which are not YouTube related). Userscripts (allows loading scripts into Safari. I mainly use them to bypass some paywalled articles, and restore the YouTube dislikes counter).
I use a few: