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.
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.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110809013427/http://www.searchengineoptimising.com:80/glossary/seo-glossary-of-terms/captcha
A captcha is a mixture of letters and numbers that is often distorted that is used as a passcode that a person must input to gain access to certain sites. They are used to prevent automatic commenting and blogs as this is seen as spamming.
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