SEO Tank, the Search Engine Optimisation division of Creative Tank is a leading specialist in Search Engine Placement and positioning. Search Engine Optimisation is the process of producing high ranking on search engines.

Search Engine promotion is an essential part of the marketing and emarketing mix. Search engines helps your potential clients find your information on the internet. With around 85% of all web pages now find through search engines, the correct SEO is essential for promotion of a web site.

Search engines maintain huge databases of web sites that users of the internet can search through by typing search phases. The search engines compile the databases through a number of methods, however most use programs called "robots" or "spiders". The programs "crawl" across the internet by following links from site to site and indexing each site they visit.

Each search engine use their own set of criteria or "algorithms" and each search engine constantly change these "algorithms" to ensure that the sites are dynamic and constantly changing. It is the job of web marketing experts like Creative Tank to ensure that your site is in a top position.

Search Engines also organise information in different ways. Some list the results of a search according to which sites have the most links from other site (link popularity). Other search engines prioritize results according to the summary information contained in the "meta tags", and still other look for common themes used throughout a site. There are many other ways to organise results and most search engines use a combination of several of them. This is one of the key reasons why Search Engine Optimisation must be handled in a multitude of ways.

When search engines send out spiders to gather information, the way the collect the information is essential to the positioning of your web site on the search engine. All spiders like to gather information in an efficient manner, however, like spider food, certain spiders like different foods. Match the correct food to the correct spider and your web promotions will be better.

Not all search engines use spiders. Some directories such as Yahoo and ODP use human editors to compile their indexes. These are cleaner but more limited.