is now the mainstream search engines support nofollow, love Shanghai, Google, Bing, YAHOO will support nofollow, once the anchor text contains rel= the word "nofollow" attribute, the search engine spiders will crawl the link, and not on the link in the right technology, certainly not included in the anchor link the text.
for example, we need to search engine spiders do not track all links the page above, this is also not on the external links and internal links, just need to this page meta tag inside this line of code can be added:. All links to this page which represents the search engine spiders are not going to crawl (track).
specifies a link on a page is not the spider crawling, just need to add the specified URL that line of code rel=" nofollow" OK, for example: "
I want to join the
(2), website advertising links can require the addition of rel= "nofollow" label, so as to avoid the adverse effects of advertising links to your website, so you can even prevent these pages give you bring too much negative impact, so as to avoid the risk of decline in the weight of your site.
nofollow is a search engine in order to prevent the spread of spam links, an anti spam link tag MSN, YAHOO and Google jointly developed. His role is to tell the search engine spiders do not track the link ", if a link anchor text contains rel=" nofollow" this property, that this link will not inherit to the weight of the page, you think white do the link, because you do not. As we all know, in a page to add a link to our website is to obtain the weight of the page, when you can’t get the page weight is equivalent to you do not work hard.
Range of use:
(3), for the keyword ranking without the help of the link to join rel= "nofollow" label, such as web site navigation, about us, contact us, website recruitment and website registration, some login link can require the addition of rel= "nofollow" because the link for ranking is no effect.
(1), blog and website reviews and comments are contained rel= "nofollow" label. If your website is the website or blog contains can publish the comments link page, you need to add rel= "nofollow" or "inside the garbage will link into your website, let you give these garbage sites vote, virtually become victims of implicated punishment.