By default WordPress (www.wordpress.org) installations (and other blogging SW) insert a the “nofollow” attribute to links in comments. In all of my blogs I appreciate people taking the time to add their contributions. And one way of saying thanks is to allow the links to “follow”.
What does nofollow mean ?
In an effort to discourage SPAM posts on blogs and other feedback medium, in 2005 Google introduced a protocol. This protocol states that when a link has the rel=”nofollow” in the HTML, that google should not count this link as a vote or a trusted link for this website.
What does it mean for bloggers
It means that you will be encouraging people to post, and in turn will get more posts. Simple as that ! For WordPress blogs you can install this plugin. It gives visitors a little thank you for putting their post on your site.
What does it mean for Commenters
When commenters know that they can get a valuable link back to their website, simply by adding a comment. They see that you the blogger welcomes their thoughts. It
I would advise anyone, who has decided to allow links to “follow” that they show an image like below and they make it known on their blog.
Image from Randa Clay
What about Spammers
Of course you are still likely to get spammers, and I would advise you to check all the links that commenter’s post. If you find they are going to none trusted domains, simply edit out the URL in the comment.
EDIT: currently this plugin is not active here due to a conflict with another plugin.