Commenting or submitting links on blogs or related sites is great a way to build backlinks and organic traffic but if bot can’s access the blog, i mean if the blog follows no follow attribute then all work goes in vain. As well as building links by posting on dofollow forums, it’s very easy to build links by posting on blogs. Try and make sure that any blog you post on allows dofollow comments – or rather doesn’t put the nofollow attribute on the website URL you put in the comment signature. However, if the blog post has a similar theme to your site and you make a good, interesting comment you might be surprised at how much traffic you get by click-throughs on the comment even if the link is nofollow. Here are a few tips for finding or commenting on dofollow blogs:-

Use a Specialist Search Engine

Use a search engine like http://www.commenthunt.com
or http://www.inlineseo.com/dofollowdiver/ to find blogs on the same topic as your site or keywords.

Use Google

Search for “list of dofollow blogs” and you’ll soon find blog posts listing loads of URLs for dofollow blogs. The downside of posting comments on these blog URLs is that they’ll soon be spammed to death as other webmasters do the same as you. Your comments have a high chance of being rejected or, in the worst case, the blog owner switches to nofollow.

Hire someone to do the commenting for you

An easy way is hire someone to do the posting for you. On webmaster forums like DigitalPoint, you’ll usually find a lot of offers in the Services thread. Somehow the people offering these services have a knack of finding high PR blog posts – PR 7 is the highest I’ve seen – on which comments seem to be regularly accepted. The downside of using one of these services is that the number of comments per blog post tends to rise rapidly, either because more people use the blog commenting service or because the people who used the service in the first place then make comments for loads of other sites. If you are lucky you’ll find a set of related dofollow blogs allowing you to quite easily find other high PR blog posts that no-one has commented on yet.

Don’t just comment on high PR posts

If a blog has high PR posts that are already spammed with scores of comments, you may find more recent low PR (even PR N/A or PR0) posts on the same blog that don’t yet have comments. It can be worth commenting on these posts. It’s likely the posts have higher PR than the Google toolbar currently shows and on the next PageRank toolbar export, you may find you’ve had a comment on a post that has had a good PR value for a few weeks and you also have had the bonus that there were few other comments on the post to share the link juice with.
For more link-building tips, see link-building using forums, using PAD sites to build links as well as simple link-building tips.