Completly free spider or crawler for websites you will find many on the World Wide Web but very few of them provide both, a basic analysis functionality as well as a clear presentation of the data. The seoBOXX WebsiteSpider offers you completely free very fast and efficient spider-/crawl functionality and determines a lot of information of your domain in a very short time. Here both, the basic data of the domain and the data of each URL of the selected domain are analyzed and the data obtained is stored in a database file. The efficient MTWS-CoreEngine gives the WebsiteSpider the opportunety to run multiple analyzes in parallel and to produce the required analysis results quickly and efficiently.