Also, these days SEO is getting too tough so instead of increasing page rank, think that if you are going to increase page rank then it shouldn't harm your website, do the legit and quality work, natural works as well. I have seen high pr sites are penalized too..
Do you want better Page Rank to increase your site's rankings . if so, then concentrate on getting quality backlinks for relevant sites , not increasing the PR of your site. If you wish to increase the PR of your site so you can use it for high PR links to other sites , seek our high PR backlinks from any site that has a low number of OBLs.
John, It is unlikely these backlinks you obtained will make much difference, or any difference toward the task of increasing your website rankings. Unless these backlinks are of very high quality and respected sources from quality websites they are not going to help much. Increasing your website rank with Google and other search engines will take a lot of time and effort, but is worth the trouble. If you want to increase your website rankings these measures listed will do the most for you toward achieving that goal. Building Quality Backlinks 1. Keywords This one is at the heart of search engine rankings because every URL or link on your own site and on the web will have your keywords at the center. This is informs all the search engines of the content in your site. 2. Social Media Social Media is growing in importance according to many experts. Having numerous of Facebook likes, Twitter tweets, and Google plus ones will give a boost to rankings and recognition to your website. 3. Create a Niche Having a niche gives your site greater visibility to the search engines like Google. 4. Internal Links Internal links from one blog post to another blog post on your site also count as backlinks. These are a some important factors to begin with that will help boost your rankings with Google and others by building links to your site.