SEO Hosting & The Importance of C Class IP Blocks
The era of Pagerank is not dead and link popularity still counts towards the overall ranking of a website in any industry vertical. Long tail of search still gets powered from on-page optimization but for most of the traffic bearing terms, search engines hardly go in for the text databases.
From a search engine perspective, relevancy and efficiency are the two most important points to consider and if for a given query, search engines can find reasonable amount of documents by just analyzing the link profile, they won’t go deep enough to do a text analysis.
When it is so important to get links, site owners and SEOs try and maximize the value that any domain under their control has to offer. This is achieved by interlinking all the domains together or by linking all the auxiliary domains to one single most important domain. Previously, it was possible to get past this as a SEO strategy but since then Google and other search engines have become extremely vigilant for any signs of common ownership.
This has also negatively affected a lot of naïve, unknowing business owners, who for the sake of simplicity of account management keep all their sites with one host. It is obvious to interlink these sites as there might be a genuine requirement, but this displeases the search engines.
What is a C Class IP Address?
The best way to avoid any bans or penalties is to host your site on different C class IPs. Do not confuse separate C class with a dedicated hosting account, they are different. C class refers to the third octet in an IP address. For example, 192.168.9.12. 9 here represent the third octet and is a C class. Usually, web hosting companies host multiple sites on the same C class IP and this is where the fun begins.
Google can easily detect the IP address of a website and if all your online properties are hosted on the same C class, the interlinking between these sites would just not be ignored but chances are that Google might even penalize your domains for this “improper linking manipulation”.
How to Get Maximum Benefit out of your Sites without Burning Them?
As stated above, the safest bet is to use different hosting service providers or use a proven “SEO hosting” provider like Thought Mechanics. A SEO host is an industry parlance which refers to a web hosting company that would allow you to host multiple domains on different C class IP addresses. This is better than diversifying your hosting service provider portfolio as:
1. It is easier to manage everything with a single host.
2. Hosting with multiple service providers may lead to a lot of communication which can become noisy at times.
Also necessary is to review the strategy of your SEO company for increasing the rankings of your website. Are they creating domains that interlink? If yes, what are the IP addresses corresponding to these domains? If you do not investigate these things out, it might actually affect you adversely a lot more than it helps you in the shorter run.
SEO hosting is an important concept and it is always better to go with a host who understands SEO and the impact of improper interlinking. Once you get a proper SEO host, you are free to utilize the value of your domains by cross referencing and interlinking.

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