Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Crawl EI from Alexa Internet. This data is currently not publicly accessible.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/all/20060425174240/http://www.karenmilne.com:80/005.shtml
Track Record
An agent's track record is extremely important. You should always deal with an agent who has proven performance through a number of successful transactions. The best proof of performance is results!