Domain name and search engine optimization

Many people know that Google officially applied to become a domain name registration February 2005. It’s not the kind of domain name registration agent that everyone can see everywhere, but a top-level domain name registrar. There are only more than 100 domain name registrars worldwide.

More than a year later, Google did not begin to provide domain name registration services. And Google once said that they become domain name registrars, not to provide users with domain name registration services, but to improve the quality of search rankings.

Obviously, if the domain registration information has not yet become one of the Google ranking factors, at least Google has plans to do so. Most people think that Google has actually considered domain registration information in the rankings.

Many people think that as a top-level domain name registrar, Google can get information that our ordinary users can’t get. In fact, this is a misunderstanding. The domain registration information that Google can obtain is the same as the information we get from the WHOIS search . Google has no way to get real information from other domain registrar customers.

For example, many people register domain names with fake names. What we see when doing a WHOIS search is probably a fake name. What Google can get is just this fake name. Only the provider that provides registration services for this domain name knows the customer’s real name, email address, credit card number, etc.

Of course, Google has become a domain name registrar, and there must be his reasons. That is, Google can use the API interface to obtain and process domain name registration information in large quantities. Google, which is handled by programs, certainly cannot manually check domain registration information. With the API interface, Google can quickly and extensively create a database of domain name registration information. Although this information can be found by ordinary users.

I believe that Google has built a huge database of domain names. The information they record and track is likely to include the name of the domain owner, the email address, the address, the validity period of the domain name, the date the domain name was last changed, whether the domain owner has changed, when it changed, and so on.

So what does this information mean for search engine rankings? Give a few possible effects.

For example, the longer the domain name is valid, the higher the trust that the search engine may give to the domain name. Generally speaking, the registration of a domain name of a large company is ten years. They cannot bear the consequences of forgetting to renew their fees in order to save a few dollars a year. And many black hat SEOs are the opposite, generally only registered for one year. Earn some money, and when their domain name is blocked, it will no longer be used.

For another example, there are many people who want to overcome the Sandbox effect by buying old domain names . However, it is very likely that if the domain name owner’s name, address, and email change when the domain name is nearing expiration, Google will realize that the domain name has changed hands. Then the trust of the previous domain name, external links, PR, etc. will be zero.

So many people suggest that if you buy an old domain name, don’t change all domain registration information right away. I want to change one item and slowly change it.

For another example, many people use anonymous registration services provided by domain name registrars because they want to protect their privacy, that is, they cannot find the names of real domain owners. Although this protects privacy, there are risks. Google may reduce the trust of such domains, especially when multiple domains have similar suspicious points.

For example, multiple domain names in the same industry use the same domain name registrar, and the servers are the same or from the same virtual hosting company. These domain names are also linked to each other. These phenomena add up enough to allow search engines to adjust the rankings of these sites.

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