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/20111217010827/http://www.searchengineoptimising.com:80/glossary/seo-glossary-of-terms/keywordratio
Keyword ratio is the same as keyword density and it is the percentage of times a keyword is used in a body of text. The usual amount is 2-3%, but can be as high as 6%.
SEO Resources 
