Success for page rank all depends on the quality of website and its content.
If we knew a secret we would have many millions of dollars:)
All we know that PR depends on the quality of domains linked to the website.
1) If you can get pointing links (especially do follow links) to your site from high quality (high page ranked) websites
2) If you can generate interaction by your users (your site visitors)
3) If you can get more search engine traffic
4) If you site visitors spend more time in your website
5) If your site visitor revisits your website pages
6) If your site visitor navigate to few inner (internal pages) pages
7) If your site visitor refer your site pages to his friends
8) if your visitor mention your website in his social medias
9) if your website pages are mentions in social media platforms
10) If you can avoid, crawl errors, coding errors and if it is in quickly loading way ( basic level facts)
Hope these above tips can help you to improve your page rank
plz feel free to check this guidelines page http://static.googleusercontent.com/medi...
If we knew, it wouldn't be a secret.