Friday, August 1, 2008

The Tango between Keywords & Search Engine Crawlers –Part I

SEO is the business of getting found, even if the users did not know that they were looking for you all along.“

The first basic step to any search engine optimization project is finding the right keywords. There are many misconceptions and confusions about the relation between search engine crawlers and keywords.

One of the common question is “How does a search engine recognize which word is the targeted keyword?” Those of you who believe that Google has a list of keywords provided to spiders that later come scavenging to your website hunting for it are wrong. Honestly folks, bots (i.e. Search engine crawlers or spiders) really cannot read in the literal sense. Crawlers don’t come to your website thinking “hey let me learn about SEO services today and let’s hope this website will give me all the information I need on SEO”. Crawlers can’t process information like humans. What they actually do is pick on patterns and flow of repetitive letters which forms a word in the text content of your website and selects one that’s repeated fairly often.

Let’s explain the above example of ‘SEO Services’ as a chosen keyword:
A search engine robot when crawls does not knows what a particular word is, but they observe which letters repeat most over and over and they file this information. This pattern might be complete gibberish, but patterns do stand out. A crawler skims and decides on keywords by filing the pattern shown below:

Text text text SEO services text text text
Text text SEO text text text text text Service
SEO Service text text text text text text text
Text Text Text Text Text Text Text Text Text
Text Text Text SEO Text Text Text services

Upon further analysis the crawler can now filter the keywords from the rest of the text



Bingo! They now realize that ‘SEO Services’ is the keyword as it is repeated fairly often so it must mean something. Crawlers use this information to display your site for this particular keyword when searched by web users.

Next post will throw light on how many keywords should be optimized per page.




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