Seo and sem wide-spread phrases

https://johnathantmtw138.sagecurrent.com/posts/i-antilipsi-einai-ola-na-vlepoyn-pos-i-google-hastoykise-toys-anthropoys

SEO and SEM common Terms<br/>search engine optimization = Search Engine Optimization<br/>Search Engine Optimization is the activity of scientifically tweaking a specific websites pages so we can get a fair rank from substantial search engines like google