In order to achieve high rankings in the search engines and thus qualified traffic, a website must be constructed in a way that is friendly to search engines.
Remember, search engines are like computer programs...if they're overtaxed they crash, which can happen if a website's layout is disorganized and yes, URLs are complicated...in which case, the site is not crawled frequently by the search engines or not at all.
Find some great tips in a new search engine optimization knowledge center article entitled
Keep URLs Simple for Search Engine Friendly Web Pages.
A site with short, static looking URLs are crawled, indexed and ranked more efficiently in the search engines. Even if you must use dynamically generated URLs (primarily e-commerce sites), programs are available to convert them to simple URLs the search engines will like.
Learn about URLs and more in the
search engine optimization knowledge center from SEO Advantage.
Search Engine Optimization Blog Article...