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Presentation |
Alexa is a wholly owned subsidiary of Amazon.com, Inc. Search results for this search engine are supplied by Google. Settings and preferences are provided by Google. |
Pricing |
Listing your site on Alexa is a completely free service. |
Submission Tools |
The Alexa Toolbar |
The Alexa crawler (robot), which identifies itself as ia_archiver in the HTTP "User-agent" header field, uses a web-wide crawl strategy. Basically, it starts with a list of known URLs from across the entire Internet, then it fetches all local links found as it goes. There are several advantages to this approach, most importantly that it creates the least possible disruption to the sites being crawled.
Alexa will include your site in the next crawl of the web, usually within 8 weeks of submission. |