we first understand the terms of the two properties:
Nofollow is to tell the search engines "do not track the links on this page" or "do not track the specific link. This tag is to tell the meaning of the search engine of the link is not edited after the author’s own, so this link is not a vote of confidence, even if this link exists, also cannot obtain the weight distribution, use of this property can effectively eliminate the generation of waste SPAM.
nofollow can be used to do website ranking pages, such as general website have contact us, company profiles, we all know where the weight is generally placed these directories are good, but if you put the company profile and contact us to do the first, also is invalid, that is to say there is no such user search the word, we should use the nofollow attribute to these pages we cannot obtain the weight, the weight for the page. This can make the key pages get higher weight, that is to say we use the nofollow tag in order to those who do not need to optimize the weights of the page. Nofollow written.
Robots is an agreement between the website and search engine spiders, is the first time the file search engine in the website to view. When a search spider to visit a site, it will first check whether robots.txt exists, the site root directory if it exists, the robot will search range according to the contents of the file to determine the access; signs that our real life, clearly tell those is accessible, what is prohibited. With this, when spider visit our site can do a
now more and more attention to the site optimization of Shanghai dragon friend station optimization, operation robots and nofollow optimization in the station is a very important details, many owners have used the robots and nofollow properties on the site, we all know that as the general web site and contact us, company profiles that are not required to share the weight so, we should use robots or nofollow attribute? These two attributes represents what? Today Wuhan Shanghai dragon to discuss with you all:
we already know these two attributes, so how can we use these two attributes? Let’s have a look at the specific usage of robots, when the page appeared dead links, or that we don’t want to be the content of the website search engines crawl, or repeat page and so on, the when robots can play to his strengths, the contents are shielded, don’t let search engine. The role of robots in front of me also wrote, we can see, there are problems we can share together under.