Web Hosting News

How do Search Engine Spiders Work?

July 22
16:32 2013

Web Hosting – The reality about search engine spiders and how they work is partially a mystery, kept on purpose by search engine companies like Google in an effort to keep webmasters honest. The specific formulas that spiders do their work by has changed over the years as people experiment and work with theories of their own trying to find easy solutions that please spiders and get their content to the top of search results. These easy solutions have compromised a lot of easily available content on the internet by webmasters looking to drive traffic instead of focusing on the quality of content- something that search engine companies are doing everything they can to encourage content writers to strive for. It’s a circle, and is also the main reason why Google never lets the public in on exactly how their spiders work- and the same applies to all of the other search engine spiders out there. But what do we know? There are a few things that we know about how search engine spiders work.

Search engine “spiders” are programs designed by search engine companies to move about the internet basically cataloguing the websites and their information and sending it to be indexed in specific ways, so that when someone uses that search engine, they find the content they are looking for. There are specific ways that these spiders are programmed to do that task. Here are some of the ways that we know of:

  • Spiders take notice of titles, tags, meta tags, and keywords related to these tags in a body of content. They index this content based on what it finds in the titles and body of content. From each title and tag, they move onto linked pages and in properly tagged websites they move from page to page in that website.

  • Spiders find websites by following links from one page to another. Often, they’ll start at a very popular, highly used website and move out from there. Spiders can move through hundreds of web pages a second, and determine what’s more important than the last depending on how it’s linked to the content it decides is more important based on its qualifications. This is to say, it places higher importance on pages it likes better and crawls through pages it likes better more thoroughly.

  • Spiders look at the little things, like titles and labels on dynamic content such as videos, photos, and other non-text content. They also apparently favor content that uses proper grammar in many languages.

  • Finally, spiders notice what pages are linked to who based on an importance scale. This helps them assume what content is better than others right off of the bat before it crawls every single page of information.

Simply put, there are so many websites and pages that spiders can’t get to, or are designed to not get to. This is why SEO experts recommend sending in a site map to search engines like Google, to ensure that your website (especially if it’s relatively new) gets found even if it’s not organically. And of course, the better your website fits the spiders likes, the higher up in the search engine your content will be, so it pays to know how search engine spiders work.

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The 'Web Hosting Blog' at was established to provide the web hosting industry with the very latest in news, technology, interviews, event information and more. About Launched in January 2001 to protect Web Host Consumers and Web Developers from making the wrong choice when choosing a Web host. showcases a selection of web hosting companies who have undergone our Approved Host program testing and provides reviews from customers.

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