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/20110808124956/http://www.searchengineoptimising.com:80/glossary/seo-glossary-of-terms/overturekeywordselectortool
This is a research tool that focuses on keywords and although is is heavily weighted towards commercial searches can mix singular and plural versions of words in queries to create a single version.