http://www.jcwhitney.com/ has been crawled 744 times going all the way back to January 24, 1998.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 9, 2011

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February 2, 2011

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February 3, 2011

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February 5, 2011

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February 8, 2011

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February 24, 2011

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March 3, 2011

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March 7, 2011

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March 29, 2011

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March 30, 2011

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April 13, 2011

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April 30, 2011

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May 10, 2011

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May 12, 2011

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May 18, 2011

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June 7, 2011

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June 23, 2011

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July 3, 2011

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July 13, 2011

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July 25, 2011

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Note

This calendar view maps the number of times http://www.jcwhitney.com/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.