If it will help, I had the same problem but with adblock my website was looking like this:
Spoiler
(https://i.imgur.com/R54IAWF.png)
The solution is simple: when you are downloading something the tiny lil' shit called ,,weDownload Manager 1.24.94" is installing as a plugin(in chrome) and spamming the shit out of you with ads. You should just delete this and that's all. In my and Czoło's case it helped.