Page Rank improving tips:

Improving Your PageRank

• Include useful high-quality information on your site.
  

• Submit your site to various web directories and reference sites.
  

• Publicize your site to everyone with whom you communicate.
  

• Write a newsletter and send it out.
  

• Provide a Rich Site Summary (RSS).
  

• Ask other high-quality websites to link to your website.
  

• Provide motivation for highly ranked websites to link to yours.
  

• Check out a site before you link back.
  

• Tell the press about your site.
  

• Keep your website up.
  

• Give away content.
  

• Translate your website into foreign languages.
  

• Search Google for your website.
  

• Avoid devious tactics to improve your ranking.
  

• And finally…
  

  In addition to considering the number of links to your page and the ranking of the linking page, to compute a page's Page Rank, Google considers hundreds of factors including
  

• how fast a site is gaining links
  
• how long the links persist
  
• when your site acquired the links
  
• the click through rate (CTR) of Google's search results, cached pages, favorites on the Google Toolbar
  
• the stickiness of your site (i.e., the effectiveness of your site in retaining individual users)