These days, a post in the webmaster world forum has caused a heated discussion. The post was sent by a moderator of the webmaster forum, pageoneresults, which should have high reference value. The title of the post is: trusted top-level domain name.
The view of pageoneresults is that. Edu and. Gov domain names (that is, domain names of educational institutions and government organizations) belong to trusted top-level domain names and are more important. Therefore, the links from these two domain names have greater weight and greater influence on the ranking of search engines. His post is very long, citing many documents to prove his point of view. Let me summarize the main points.
Google submitted a patent application. Feb 6th, 2003 3 1: U.S. patent application No.20050071741.On Mar 3rd, 20051,this document was published on the website of the U.S. Patent Office. The title of Google patent application is: information retrieval based on historical data.
In this patent application, Google mentioned many factors that can be used in search engine ranking, mainly related to the historical data of documents. This is a very important document. If you have time later, I'll give you a detailed analysis.
In this patent application, Google mentioned in Article 38 that when classifying documents, it will consider whether the domain name associated with the document is legal and valid. It is also mentioned in article 28 that the importance of a link can be based on whether the file published by the link is credible or not. What are the permissions of the file itself that contains the link? How fresh are the linked files?
This patent application also mentioned the relationship with trust in several other places, and also mentioned the trust of domain name servers.
So which domain names can be trusted? Pageoneresults thinks. Edu and. Gov domain names are inherently credible. The reason is. Edu and. Gov domain names cannot be transferred under any circumstances, including any form of transfer such as sale, lease, etc. Yes. Edu domain names can only be registered by educational institutions. Gov domain names can only be registered by government agencies. The author believes that these characteristics make. Edu and. Gov domain names that are most likely to be regarded as trusted top-level domains.
Of course, many people will have other considerations. For example, is it because the domain name is, it means that the quality of the web page is high. Edu or ... gov？ Many universities provide free cyberspace for teachers and students. How do you ensure that these students' web pages are of high quality? Although these pages may be placed on the domain names of famous universities.
Another example, if. Edu or ... Gov domain names are more trustworthy. What about the domain names of educational institutions and government agencies in other countries? Give the same level of trust? That may be a disaster, because the quality of web pages is more difficult to control. But if you don't give the same degree of trust, then the links from famous universities in Britain, Australia and China are not as important as those from a second-rate university in the United States, which is unfair.
For another example, many college students sell links on their personal websites. How do search engines distinguish which links come from? Is edu natural? What are buying and selling?
For another example, links to university or government websites may not represent relevance. A university professor who studies astronomy linked a website about cooking on his school website. Should this link be given more weight?
Pageoneresults also gives a very logical answer. The importance of this link comes from. Edu or ... Gov domain name is the result of probability statistics. In other words, on average. Edu and. Government websites are indeed higher than. com。 Business. Information and so on.
One of the important bases of search engine ranking is based on a large number of statistical results. Because on the whole. Edu and. Gov has higher quality and authority, and it is likely that links from these pages will also be given greater weight.
Of course, it is very likely that when Google considers the weight of these links, it will also consider more and more complicated factors such as the relevance of web content.
My personal feeling is that. Edu and. The governor does carry more weight. Of course, this is just some experience based on observation, and there is no definite evidence.
Author: Zac@SEO one post a day
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