Extract structure data from websites into XML, CSV etc. files. Use SEO / PPC keyword analysis and suggestion tools, e.g. position check website on search engines. The crawler engine stores vast amounts of data, which it can store into XML documents, including all valid, broken and redirected links (number of times and wherefrom / whereto), response times, download times, file sizes, server response headers, reports of all file types and response codes within any directory etc. It will also calculate the importance score for all pages within a website. This allows you to view how your linking sturcture distributes "rank power" throughout the whole website. Change the "user agent" string ID to check if your competitors are using website cloaking SEO techniques. Decide which page elements you want to extract text and keywords from. You can see all phrases for [1][2][3] etc. words in a phrase, all sorted and ranked after density. Positon check for various keyword phrases found, typed or loaded from a text file. You can edit which search engines to check and add support for new search engines yourself. You can edit and add which sites / pages to check for in SERP (search engine result pages). You can also use various online SEO and content related tools to perform further data analysis.