Understanding Search Engine Crawlers

Understanding the way a search engine crawlercontent. It is important to build your site in a way so the
indexes pages and the specific algorithm elementscrawlers understand the most important to least
involved in their programming is key to determiningimportant information.
which optimization techniques to use. The algorithmsSome ways to control crawlers:
use a combination of page content and structure,- .htaccess - Use to set up allowed Server Side
loading time, and analysis of inbound links to determineIncludes and 301 Redirects.
the page rank for keywords and phrases. To achieve- sitemap.xml - Set up and verify with Google
the best results with search engines all aspects of theWebmaster Tools. Its fast, simple, and easy to
algorithm are needed.schedule crawler visits and page importance. These
There are many methods for controlling the waytools also offer a way to analyze how the crawler
search engines will crawl and index your pages. I like tosees a website.
think of search engine crawlers reading a web page- robot.txt - Set up to allow and disallow access to
like a human would read a book. First to find out whatcertain pages.
the book is about, a person would view the page title- Set up easy to follow or nofollow links - Search
and summary (page description) of the book. Next aengine robots use links to crawl the world wide web.
person would examine the chapters (page topics andBoth inbound and outbound links should be properly
titles) and next the headlines and then the paragraphstructured.