The index is where the spider-collected data are stored. When you perform a search on a major search engine, you are not searching the web, but the cache of the web provided by that search engine’s index. Reverse Index Search engines organize their content in what is called a reverse index. A reverse index sorts [...]

While there are different ways to organize web content, every crawling search engine has the same basic parts: • a crawler • an index (or catalog) • a search interface Crawler (or Spider) The crawler does just what its name implies. It scours the web following links, updating pages, and adding new pages when it [...]

Search Engine Relevancy Many people think search engines have a hidden agenda. This simply is not true. The goal of the search engine is to provide high-quality content to people searching the Internet. Search engines with the broadest distribution network sell the most advertising space. As I write this, Google is considered the search engine [...]

Some people ask me to do ten hours worth of competitive analysis for free. Generally, I cannot do hours of consulting for free, but if you have a quick question or do not understand something, please make sure you e-mail me so I can try my best to help you. You bought this book hoping [...]