[boring_twenties]

I don't get this. Nothing about tiktok in the Network debugger, nor in uBlock or NoScript for that matter.

[Nextgrid]

I bet it's loaded by Google Tag Manager which acts as a "dropper" to load further malware. If you block that (which I assume you do if you have uBlock Origin) you don't get to see the rest.

[boring_twenties]

Ah yes I certainly do block that.