That was operated by Alexa Internet and the results powered the Internet Archive (same founder) presumably until their acquisition: https://web.archive.org/web/

That was operated by Alexa Internet and the results powered the Internet Archive (same founder) presumably until their acquisition: https://web.archive.org/web/20140528103516/https://alexa.zendesk.com/hc/en-us/articles/200450194-Alexa-s-Web-and-Site-Audit-Crawlers https://web.archive.org/web/20140528103516/https://alexa.zen... https://en.wikipedia.org/wiki/Alexa_Internet https://en.wikipedia.org/wiki/Alexa_Internet