@Rich Dansereau, Hey there, thanks for the comment. Disqus or intenseDebate both has the facility to comment as a guest. Commenting as a guest means traditional commenting — Filling up the forms of Name, Email and Website. That’s how you get a backlink to your website or blog. Most of the blog admins do not remove nofollow from their comments area so you do not get any link juice even after posting a comment there. But don’t worry, my blog’s comment author links are dofollow. So, it’s wise to keep coming back to my blog and continue reading future posts and posting comments.

Thank you once again.

Thanks for commenting, bob. I totally agree with you. Creating blog
google friendly should be enough to search engine optimization.

Yes, they are from the United Kingdom. Good, at least this post helped one person. ;)

AdSense is definitely a popular way of online income but it takes lot more time to earn money. Also, it is quite impossible to earn good amount of money from one single blog. That's why I can't depend on it fully.