Blog commenting can do rewarding result sometime if you play wisely. Many benefits can be summarized as below by blog comments posting.

1. Blogs are crawled by spiders more than other static websites because blogs are always updating and search engine like Google loves updating contents. Commenting posts with a website link in a blog gives faster indexing.

2. If the comments are done in the dofollow blogs with website link, it will help to achieve good Page Rank.

3. Posting good comments with your website link on related blogs gives extra credit to your website and the visitors who read your comments will increase day by day and will persuade them to click your website link.

4. Regular posting comments on blogs give extra visibility to the search engine. It will be easy for spiders to find your website and improves in SERP ranking as well.

5. Besides, when you put website link during the blog comments, you can also add your targeted keywords which link back to your website. This will help to improve on your targeted keyword for better search engine ranking. Blog commenting in many blogs will help you to achieve the targeted keyword ranking reaching to top very quick.