Once you know a bit more about what goes on behind the scenes of websites, blogs and traffic, you’ll stumble across some advice telling you to leave comments in the blogs of other people. It was believed that this would create a backlink to your website - and help you move up the Google rankings and/or get indexed more quickly. This piece of advice became redundant a few years back though, when the default setting on comments in blogs was changed to “nofollow”.
Nofollow - What is That Then?
Before the nofollow tag was set, if Google’s crawler visited the other person’s blog, it would find your comment, spot your website url and go off to investigate your site. When nofollow was set, this stopped. The tag told Google’s robot to not follow the link! Ooh er missus! So, all that time you spent commenting on people’s blogs was wasted. Well, it turned out that most comments weren’t real people like you and I at all. Spammers had written nifty little automated robots that simply wandered around the internet leaving comments on everybody’s blogs. A number of blogs do not moderate their comments, so when you post a comment it appears on the site automatically. What these robots did, therefore, was to create hundreds/thousands of links back to their cr*p site, with rubbish on it. Selling you meds, or similar things you had no interest in!
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