build a sites info

i need a website that is similar to - [login to view URL] 1. Search Engine Optimization 2. The site should be fast, so the code should be good 3. Content is automatically created from list of websites url 4. The site should contain millions of pages 5. All information on the site will be kept in data base 6. If you search for url and there is no site in data base, the site automatically generates a page for him 7. can refresh the data on the page 8. tools for analysis and webmaster tools It can be either in joomla or php My budget is - $ 50 - $ 130 Only professionals who have experience with such projects