Search Engine Spiders and SEO
A search engine spider is basically simply a server based software application that is intended to compile and maintain search engine databases. Also they are known as robots.
These applications were nicknamed spiders because they craw the web attempting to find info to add to the search engine’s database. In idea a search engine spider does it s job by following networks of links to find and then grab data from your web site pages. Each search engine ( like Google, Excite, Alta Vista, Lycos, etc.) has its own factors for how it spiders info.
This criterion is put together into a particular algorithm that helps the search engine build where your web site fits in its ranking system. The issue of second trying guessing search engine spiders is they are constantly changing the wants of this algorithm so web pros are always 2nd making a guess the way to get their URLs listed in the top web site positions. Also the different search engines have different standards for how they rank information and may have to do with their database’s desires.
One search engine may rank your web site re its content and one more inquisitive about the amount of links you have and yet another could have an interest in how many hits you are getting. In theory a search engine spider could do any one of many things when it visits your web page. Some spiders simply confirm the existence of the page without indexing it. Some spiders index the page content.
Yet others will identify all the hyperlinks you have on a page to other web resources and also other pages on your site.
A spider may visit your pages once or it may visit it many times. One of the most recent trends is to keep your index pages lively by adding up to 50 to 70 new bytes of info constantly. The reason being as the AltaVista pages love fresh content. This is what makes SEO systems so engaging to follow.
The guidelines change along with the changing wishes of the spiders.