Nofollow Label Usage

When we do website optimization, the application of nofollow tag is very important, which can prevent the generation of spam links.

In the beginning, the nofollow tag appears to prevent search engines from entering all http://www.aliyun.com/zixun/aggregation/8486.html "> External links to the page," For example, add: Beijing SEO optimization Company, so that is to say, told the search engine do not go crawling Beijing SEO optimization company This link, therefore, Baidu Spider is not crawling with nofollow attribute link.

If a Web page has a link to another page, but add a nofollow tag on the page, then the search engine will not count another page as the reverse link of the page, reducing the weight of the link.

So, does the nofollow tag really work? The correct use of nofollow tags for Web site optimization is very useful, when the link is added nofollow tag, this link is not to be given by the search engine a higher weight, And after being tagged with nofollow, this link will not be counted as a valid external link and will not work.

So, under what circumstances can you use the nofollow tag?

1, if there is a lot of spam links in the site, can be used nofollow tags, such as some blog comments, or the forum message, these locations may appear a lot of spam links, with the nofollow attribute, you can prevent the site is linked, if you release the chain, In some forums, the nofollow attribute is done, and the chain may be a little hard work.

2, some of the ads in the link can also add nofollow tag, in order to affect the ranking of the site, you can add nofollow tags on these ads links, the ranking of the site is a good role.

3, not important some links with the nofollow tag, is the link weight of the site can be balanced, in the site's content links, the use of this tag, you can control the weight of internal links, but also to control the flow of flow and distribution.

In the website optimization, nofollow tag is indispensable, such as some construction stations will link their website links on the Site page, at this time, add nofollow tag is also very useful.

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