Numerous Sites

Question: Following on from identical content, there are numerous sites. A single webmaster has a certain number closely themed sites, all inter-linked and hosted on the same IP address. Answer: This is seen as search engine Frame-up, the linking structure and numerous sites just isn't natural. Penalties can apply. what to do: Such site structures can work if set out properly. this means that each site must reside on it's own IP address where, at least, the C class is different. IP address are covered later. Gains: Increased market share, effectively linked and spiderable sites, no penalties applied.

Unfriendly URLs

Question: The URL (web address) of some of your sites pages look like domain dot com/product.php?id=2346&category=665&sid=f29a3483270cc10b3783706916216e3a Answer: Search engine spiders are getting better and following and indexing these form of URLs, bit not all of them. The spiders are scared of getting caught in an endless loop of identical pages with 1000s of different URLs. they are also off putting to your site visitors who could surely remember mydomain dot com/products/cars/boostvalves. what to do: Use Search Engine Friendly URLs. If you are running the Apache webserver on Linux enabled server use mod_rewrite to translate the URLs into something nicer Gains: Higher chance of being indexed by more of the search engines, keywords in your URL, higher chance of being clicked on in the SERPs

Redirects

There are two main redirects, based on the HTTP specification 301 - moved permanenty 302 - moved temporarily You should use 301 redirects where ever possible. this can be done in your server side scripting, eg

Code: php header("HTTP/1.1 301 Found"); header("Location: w w w newdomain dot com/"); redirects can also be set up in your .htaccess file, if you run the Apache web server

IP addresses (C class)

IP addresses are the numerical addresses of computers connected tot he internet. For ease of reading they are broken down into four parts, each called an octet as they contain 8 bits of data when written in binary form. An example my be 62.85.68.114. in this case the C class is 68 (and everything up to it), so if you have a few sites hosted on this IP they would all have identical IP addresses. If each had a single IP address that started 62.85.68. then they all share the same C-class IP address. As the allocation of IP addresses within a server involvement is usually configured so that each server has it's own C-class; this means that a search engine knows hat all sites on the same C-class IP address are all located on the same server

Your competitors might not be standing still; neither should you.

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