Saturday, July 14, 2012

How Do Web Crawlers In Search Engines Work?

By Charles Goldie


So what are Search Engine Web Crawlers?

Search Engines bring the customer to your website so they can see what you have to offer. So you need to know how these search engines work and how they bring information to the customer.

There are a couple of types of Search Engines, robots which are called crawlers or spiders, you may have heard that impression before.

After submitting your website to the Search Engines by filling out a form. Then it will be visited by the spider which will index your entire website.

After your submission is done, a spider will be sent out to your website and the content of the website will be checked and any urls that you have on the site too along with any meta tags that you have.

After the spider has been to your site the information that is gathered is sent back to a depository, then the data is indexed. It will also visit each link on your site and have those indexed too along with any meta data.

Tip: Don't have too many pages on your website because the spider will only index a certain amount of pages, so 500 pages lets say would be too much.

Spiders do return and check for new content and links on your site, but the frequency is unknown and is determined by the Search Engine moderators.

When spiders go out to index web pages it could index up to a million pages a day. This information is put into a large book if you like and kept until the spider goes out again.

So when we search for something on the internet we put keyword phases into a search box. The spider will then look for that keyword and bring back hundreds of pages related to that keyword.

Search Engines have algorithms which scans for frequency and the location of keywords in your website. It can also pick up keyword stuffing or spam in your website.




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