radar

You probably know Google, Yahoo, Altavista, (we could keep on…), but how do they work and, more important, what are the main differences between all of them?

First of all, we split them in 2 categories : The crawler-based search engines and the directories.

Crawler-Based Search Engines
A crawler-based search engine crawls website, “reads” the content, stores it and, accordingly to some criterias, ranks the website. For example, Google gives importance to titles, files names, labels of links, the ranking and the number of sites that link to the website, etc. Once upon a time (depending on the frequency at which you update your site), it will “re-crawl” your site to update its database.

Human-Powered Directories
If crawler-based search engines are totally controlled by computers, robots and spiders, human-powered directories are build by humans. In this case, the website is classified in directories depending on what you request when you fill the submission form and on the editor who’s gonna had your site in the directory. Obviously, there is not much consideration about the content of the site.

Now, how can you take the maximum out of search engines? There is a lot of simple things to do. You’ll have to wait for another lesson… or contact us so we can help you directly.

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