Original sentence: Additional tools allow users to see the IP address that a website is running on and let registered users label a site as spam.Blekko (self-styled as lowercase blekko) is a company that provides a web search engine with the stated goal of providing better search results than those offered by Google Search, with results culled from a set of 3 billion trusted websites and excluded from such sites as content farms
Edited sentence: Additional tools built into Blekko allow users to see the IP address that a website is running on and let registered users label a site as spam.Blekko (self-styled as lowercase blekko) is a company that exploits a web search engine with the stated goal to provide better search results than those offered by Google Search, by offering results culled from a set of 3 billion trusted websites and excluding material from such sites as content farms