In what cases is it necessary to test a program? What kind of testing, in your opinion, is more effective - manual or automatic? And where can you order testing of a software product?

I want to start promoting my website, but before that I need to find out all the keywords that are used to find it online. Can you tell me how this can be done?

Can you please tell me which proxies allow unlimited internet access? I would like to get quality proxies that really well and reliably hide your personal data, but at the same time work fast and efficiently enough and allow you to go anywhere, even to blocked sites.

I often work on the Internet, which often puts my computer at risk of being hacked. Can you tell me which proxy servers I can use to hide my personal data from prying eyes?