The dofollow checker does exactly that, it checks if a blog allows for dofollow links in the comments. It ignores all links pointing back to the host site and linking images. The dofollow blog checker will also let you know if the site or blog is using; commentluv, keywordluv, disqus, livefyre, facebook comments, intensedebate, typepad or any other major commenting system.
This system is currently in the early testing stages and todate it is mainly geared towards tesing wordpress driven sites. Which does cover about 80% of blogs. So its not all bad.
"DoFollow" is simply a net slang term provided to websites or sites that are not using "NoFollow." NoFollow is a hyperlink value that tells search engines not to pass on any type of reliability or impact to an outgoing link. produced to help the blogging community reduce the amount of inserted links into a "opinion" area of a weblog page, the characteristic is generally basic in blog site remarks. It helps overwhelmed webmasters disallow spammers from gaining any sort of kind of advantage by inserting an unwanted link on a prominent page, and has come to be an integral part of Google-specific SEO.
Exactly how DoFollow & NoFollow Have Affected Link Building
As an outcome of the application of NoFollow, the process of creating links has taken a steep turn. Lots of internet sites, including wikis, social bookmarking websites, business and private weblogs, commenting plug-ins and many additional locations and applets throughout the net began implementing NoFollow. This made effective link building tough for both truthful individuals and spammers alike. It additionally made DoFollow links come to be the "Holy Grail" of SEOs anywhere, that pursue them out as costly collections to their off-site optimization repertoire.
NoFollow Isn't really Bad
There's absolutely nothing wrong with getting NoFollow links. In fact, you'll wish to get an equal amount of them as well. While they do not pass on link juice, they do help associate your internet site with anchor text (the keyword keywords that makes up the URL indicating your site). They additionally enhance the exposure of your site, generally, which may ultimately result in you getting more mentions via DoFollow links!