Blog commenting is an important part of Search Engine Optimization; in deep of Off-Page optimization. While working with off-page optimization the basic and effective way of getting backlinks is blog commenting. This is free and genuine technique of getting inbound links.
A regular blog commenting can help you maintain your site at a good PR along with a good traffic to your site and popularity. The traffic you get from commenting is more motivated and likely to be qualified because the visitors move on to your site after reading your comment.
Commenting on relevant sites reflects your availability and presence which has a positive impression over readers. From the SEO point of view blog commenting has number of benefits including revealing your business out to the world.
The content or talks you are going to share through blog comments should be original and adding values to that particular blog so that the blog owner take lesser time to approve your comment.