I have experienced a decline in my ranking on my Google business profile, from ranking 1-3 dropping to 10+, what is that due to? I previously bought reviews but that was...

how to create a lot of keywords but not detect SEO spam, such as creating 50 keywords repeatedly and the keyword density is not calculated, such as hiding keywords so the...

I have a website where all the SEO has been optimized, when Google automatically re-crawls it. then my website ranking dropped drastically and it took 7 days to come back...