URLs are very important but often overlooked part of SEO.Your URLs will not rank well and not index your site in the search engines,If your URLs are not build search engine friendly.Build your URLs search engine friendly for crawling them and you will get good result from Search Engine
Keep in mind these factors to make your URLs more search engine friendly:
Letters and Numbers only used in URLs.
Shorter URLS typically rank well than longer URLs.
Search engines like dashes.Do not use underscores.
URLs should not contain extraneous characters ( $ @ ! * % = ? )
