lost keywords

hello guys, I'm new to SEO, I want to tell you about my current experience. I have a website from a good aged domain, and last week it was ranking and some were in the top rank 10 or page 1 google, but when the website's highest traffic peak suddenly all the keywords disappeared from the Google...

Hello guys, I have a download game site, most of the data was imported from an old site, which has been deleted. I write new content (download games) everyday, around 5 articles a day, but lately I've lost a few important keywords pointed to site... I suspect it has something to do with EMD and...