Ip Address paly an important role in class distribution if you are using the same IP for different SEO its belong to class c and that affect your ranking in SERP
It is a type of Blackhat SEO,technique in which the content presented to the search engine spider is different from that presented to the user's browser
Some best tricks to get high rank in SERP
- Do on page and off page SEO
- Build backlinks from high PR sites
- social bookmarking
- Do blog posting for you web page
Keyword density means it is the measured density of keyword present in a phrase or content, it can be calculated from the rule
Keyword Density = (Nkr / Tkn) x 100
some basic tips should be followed are
- Invite your friend to follow you
- Add a badge on your website in order visitors to follow
- Share your G+ page to your communities
- Advertising your page