I have been spreading my word about what I have been doing to cope with the problem of comments spamming in blogs. This update took bit of a time. My blog was also unavailable for couple of days back because of my last uncooperative attitude (Choose your host very carefully). Now when things are back to normal I am ready to share some fresh experiences. As you already might have noticed that there are a lot of plugins and online free tools for blocking comments spam .i.e. Spam Karma etc. I will share the method which has worked for me at my WordPress blogs.
nofollow is an HTML attribute value used to instruct some search engines that a hyperlink should not influence the link target’s ranking in the search engine’s index. It is intended to reduce the effectiveness of certain types of search engine spam, thereby improving the quality of search engine results and preventing spamdexing from occurring. The concept for the specification of the attribute value nofollow was designed by Google’s head of webspam team Matt Cutts and Jason Shellen from Blogger.com in 2005. The nofollow attribute value is not meant for blocking access to content, or for preventing content to be indexed by search engines. The proper methods for blocking search engine spiders to access content on a website or for preventing them to include the content of a page in their index are the Robots Exclusion Standard (robots.txt) for blocking access and on-page Meta Elements that are designed to specify on an individual page level what a search engine spider should or should not do with the content of the crawled page. Google announced in early 2005 that hyperlinks with rel=”nofollow” attribute would not influence the link target’s PageRank. In addition, the Yahoo, and Bing search engines also respect this attribute.
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