Wednesday, January 19, 2005

Preventing comment spam

Preventing comment spam. I love to blog. I maintain several. I wouldn't mind feedback either. I would like to enable comment postings on my blog entries. However, my past experience with this feature has been that 99% of the posts are from spammers (many of them automated spambots) posting links to porn sites, drug sites, mortgage sites, etc. As such, I never turned on comments at this blog and I disabled it after a few months at my other blogs. Much to my joy, Google has created a solution! I'll wait a while and see if the spammers give up after hitting this new Google attempt to kill comment spam and see if it is working. I may turn comments on here.

From the site:

If you're a blogger (or a blog reader), you're painfully familiar with people who try to raise their own websites' search engine rankings by submitting linked blog comments like "Visit my discount pharmaceuticals site." This is called comment spam, we don't like it either, and we've been testing a new tag that blocks it. From now on, when Google sees the attribute (rel="nofollow") on hyperlinks, those links won't get any credit when we rank websites in our search results. This isn't a negative vote for the site where the comment was posted; it's just a way to make sure that spammers get no benefit from abusing public areas like blog comments, trackbacks, and referrer lists.

We hope the web software community will quickly adopt this attribute and we're pleased that a number of blog software makers have already signed on:

Brad Fitzpatrick - LiveJournal
Dave Winer - Scripting News
Anil Dash - Six Apart
Steve Jenson - Blogger
Matt Mullenweg - WordPress
Stewart Butterfield - Flickr
Anthony Batt - Buzznet
David Czarnecki - blojsom
Rael Dornfest - Blosxom

We've also discussed this issue with colleagues at our fellow search engines and would like to thank MSN Search and Yahoo! for supporting this initiative.

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