If you need good traffic update with unique content and build some back links and do social bookmarking then get good traffic.
Considering that google hasn't updated their pagerank since April you may have to wait away to a high pagerank
Google love Optimization in a organize way like Blogging or Blog Linking, Smart Linking etc.. If you have good backlinks specially Blog-links, give Google some time to think about your site.
Hi, For having a higher PR purpose, I would suggest below: 1. updating your blogs with niche relative original posts regularly 2. increasing dofollowed backlinks from decent sources, especially from niche relative authority sources all the best,
greater the number of backlinks your site has, greater the PR you will get so start building some backlinks with high PR websites
Best Ways To Get a High PR are forum posting , Article Posting at High PR sites and Create High Page rank back link to related theme
Mostly you can do forum link building in High PR web site and then do high PR directory website and high PR social bookmarking websites.