I have a blog: http://codingtricks.blogspot.com Which have decent web traffic per month but the page rank is low or I think its not ranked. So my question is: how page rank of sites and blogs can be increased.
You can increase your pagerank by continuing to develop your blog with regular, useful and unique content and by getting links from sites/blogs with better PR rank than yourself.
Google has a page for webmasters on how to improve your rank. Here's a cut & paste URL is at http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=34432 How Google ranks pages Sites' positions in our search results are determined based on a number of factors designed to provide end-users with helpful, accurate search results. These factors are explained in more detail at http://www.google.com/corporate/tech.html. In general, webmasters can improve the rank of their sites by increasing the number of high-quality sites that link to their pages. For more information about improving your site's visibility in the Google search results, we recommend reviewing our webmaster guidelines. They outline core concepts for maintaining a Google-friendly website. Hope this helps
I think you can submit some article to social bookmark as digg, delicious and wait fot next PR update of Google (believe this coming soon)
Get free backlinks by commenting on high page rank blogs. Make sure the comments are not spammy and relevant.
Pagerank is all about building quality links back to your site. There are plenty of good threads on here that can help with link-building strategies.
don't worry about PR very much, as time goes by and if you are honest, ur PR will jump right up.. trust me.. my friend has less than 20 pages, and he's now ranked PR2.. not outbound links as well.. the key is to be honest with what you do. just follow the google guide lines, u will get ranked faster