Why blog commenting is so important?

Backlinks this is the most important reason to consistently comment on other blogs. If you find yourself complaining that your site is not getting enough traffic from search engines, it may be because your site does not have enough authority with those search engines.

When you comment on blogs, it helps create backlinks, which in turn generates traffic. Most of these links are no-follow links and thus, carry little value; however, the process is still helpful.
For newer blogs, commenting will help in the faster indexing of your blog
Commenting is a must for any blogger, and it will reward you in the form of:
Backlinks
Search Engine Optimization
Traffic
Relationships/Connections
If you’re wondering why you are not getting high volumes of traffic to your blog despite your high-quality content, give commenting a try and you will see the benefits in real time…