Search Engine Forums, SEO Forum

I recently used traffic tool. then Keyword drops rank? Is the opponent stronger ? or else do SEO wrong . this is my site https://tnbland.com.vn/ .

The traffic tool was borderline black-hat seo, right?

Well, my guess is only God is scaring you, the tool was not at factor in the engine algorithms. However, I could be missing something.

Matt Cutts does talk about actual penalties in the algorithms and you could have triggered one.

Add better keywords to the site,before add check with competitor site what are they do like check quality content and keywords.Do off page for your
site in High PR sites