Keep updating your website
 

Google is not only value website external links, of course, also think much of the quality of your web site for those who just, but not too much money to get high PR links, will consider their site the quality. Mainly from the user experience of that also can make the web site, will be affected by Google's favor, the promotion website PR also not is what difficult thing.

Regularly updating your site attract Google more as new content update is liked by Google.

that's great

can you share any resource of this information.

yaer !! is good