The influence of domain name and host on SEO

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Domain name and IP: Each site's domain name corresponds to an IP address, the IP address is assigned to each computer or network device on the network digital ID. Domain name must be resolved by domain name server (DNS), converted to digital IP, in order to make the computer understand identification, such as: 219.136.248.149 most of the SME site is stored in a server divided by a number of virtual hosts, by multiple Web sites to share a server and IP address, Some Web servers have hundreds of domain names sharing an IP address. This is less costly for webmasters, but it poses the following potential risks to the site's search engine rankings:

1, sharing the host of other sites if the search engine punishment, will more or less affect your site. If there is a site cheating under the same IP, then our search engine will penalize all sites under that IP. Fortunately, most search engines are not so arbitrary, such as Google, generally do not carry out such a joint punishment.

2, if the search engine for some spammer server has been punished, its IP is considered to be spam, then all the sites under the IP will be implicated, so that the rankings of these sites declined or in search engines were cleared.

Tools Recommended:

Check domain IP:HTTP://WWW.123CHA.COM/IP

Search keywords: http://key.admin5.comIP

Counter-check: http://www.whois.sc/members/reverse-ip.html (see which domain names are shared under an IP address). Free registration)

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