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Some people say that search engines do not include tags tags, but we can look at a good example.
And do not say it in the weight of the rankings, the user experience point of view, the user read this article, added tags related words, users can quickly follow this keyword connection into the relevant content of the list directory. Convenient for users to query information.
If you stand in the SEO perspective to analyze
The role of keyword tags: to increase the site's internal relevance of the link, so that the site's internal links to optimize the role of the site in the rankings when the links are compact, even if the page will have a very good number of links, the number of these links from the station. Search engine in the site is included in the Web site URL link to include each page, if there is no such coordination of internal links, the number of pages included is not very ideal, in fact, it is the role of induction related articles, form a good link in the form of the site to include and page ranking.
Said so much, I think we all know tags whether the station in the user experience or SEO perspective, are very helpful.
Everyone on the SEO technology in the internal links must have some understanding, its role sometimes even more than the external link. Some portal site of a page URL is actually ranked in the front of many main domain name, the internal connection is one of the points, in what is the domain name authority.
Sometimes we are in the analysis of some SEO technical knowledge, to be repeated observation, to try to see the real role of it, otherwise imagined is nothing to do bad.