Search engines have two major functions - crawling & building an index, and providing answers by calculating relevancy & serving results. Imagine the World Wide Web as a network of stops in a big city subway system. Each stop is its own unique document (usually a web page, but sometimes a PDF, JPG or other file). The search engines need a way to “crawl” the entire city and find all the stops along the way, so they use the best path available – links. Crawling and Indexing Crawling and indexing the billions of documents, pages, files, news, videos and media on the world wide web.
Manage Your SEO More Effectively With SEOmoz tools you can better handle everyday SEO tasks. You can analyze keywords, research backlinks, do on-page analysis, find accessibility issues and track rankings all in one easy-to-use management platform. Campaign Manager Complete Platform for SEO
Free SEO Software Tool & Text Browser, Search Engine Optimization Tools - SEO Browser