on page techniques

As we all know the on page factors like adding meta tags & optimizing page contents works the best in On-page. Can anyone share the hidden tricks in On-Page optimization.

hi i need a bit help can anyone tell me best on page seo technique. because i am confuse. i try to rank my target keywor even his competition will too much low. but the keyword not rank in first 100 google results. and some other keyword related the article will rankin in top 10 result...