Web Crawler is a software designed with the purpose to systematically browse websites on the World Wide Web, helping to gather information of those websites for search engines. Notice Ex: http://www.nettruyen.com/tim-truyen/action?page=1 - Website: Get Url http://www.nettruyen.com/tim-truyen/action - Param: ?page= or /page/ () - Item: Find class all item. - To link: Find class to link in session. - Title: Find class to title in session. - Content: Find class to content in single pages. - End submit form.