SEO Tip # 19) Do not trust people who promise you for "guaranteed top 10 positions” or “instant #1 ranking”

SEO Tip # 20) Do not create multiple pages with the same content.

SEO Tip # 21) Don’t “over-optimize” your site. over-optimize might drop your site's rankings. Google has an over optimization detection algorithm.
To Avoid Over Optimization please follow this tips:
A) Don't Follow All SEO Experts
B) No need to Include Too Many Keywords And Internal Links
C) Building Inbound Links Naturally


SEO Tip # 22) Make your site easy to navigate Not just by humans but also for the search engines.

SEO Tip # 23) Site's Page rank depends :
1) On Domain age
2) The more older the site the more trust awarded by Google
3) More Backlinks = More Higher Ranks
4) The more you get links from another site (inbound links) that will increse for your page rank

SEO Tip # 24) Make appropriate keywords to your business. You can take help from some keyword research tools like :
A) Wordtracker URL: http://www.wordtracker.com/
B) Google has keyword analysis tool aim at Pay Per Click customers.
https://adwords.google.com/select/KeywordToolExternal