Uptime
Your web server’s guaranteed uptime is a major factor that can affect your site’s ranking. The uptime of your site is so important because if it isn’t up and running then there is no way for the search engine spiders to crawl your pages. To ensure that your site is at its best availability don’t settle for a web server that offers anything less than 99.9% uptime.
Name Servers
Do you know who else is on your name server? Well, even if you don’t know all of the major search engines do. They can identify all of the domain names with which you share a name server. This can be bad news for you ranking if you happen to share your name server with a large number of spam sites.
IP Classes
Search engines group websites into neighborhoods based on their IP addresses. A search engine can detect what types of websites are hosted on a Class C IP address, and you could be penalized if your site is mixed into a bad neighborhood.
Sharing an IP Address
Chances are that you are just one of the many clients that your web server has assigned to a single IP address. This could mean that you are in some bad company if one of those sites breaks the rules of one or more search engines then you run the risk of being banned with them. You see it is much easier for a spammer to obtain a new domain name than a new IP address so many search engines choose to ban the IP address instead of the domain name Response Time
Search engine spiders are busy programs and therefore have very limited time to crawl through each site. If your website has a slow response time then it will take longer to read each page and the spiders will have to move on before crawling all of your pages.....to be continued.
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