I paid a company a lot of money to translate my website to German, can you check if they did a good job?

I paid a lot of money for the translations, so I just hope the grammar and everything is good.

Here is the website, you could pretend to buy something and go through the whole checkout process without paying:
Www.detectiveforaday.com/de

And also if you have the time, can you check my ad as well:
https://vm.tiktok.com/ZGJQLhCXu/