http://cesweb.org has been crawled 988 times going all the way back to April 15, 1998.

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

January 1, 2011

1 snapshot

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January 3, 2011

1 snapshot

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January 4, 2011

1 snapshot

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January 6, 2011

1 snapshot

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January 7, 2011

1 snapshot

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January 8, 2011

2 snapshots

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January 10, 2011

3 snapshots

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January 12, 2011

1 snapshot

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January 13, 2011

2 snapshots

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January 15, 2011

1 snapshot

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January 23, 2011

1 snapshot

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January 25, 2011

1 snapshot

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January 29, 2011

3 snapshots

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January 31, 2011

2 snapshots

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Feb

February 1, 2011

1 snapshot

1

February 2, 2011

2 snapshots

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February 3, 2011

1 snapshot

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4

February 5, 2011

1 snapshot

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February 6, 2011

2 snapshots

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February 7, 2011

1 snapshot

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February 8, 2011

4 snapshots

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February 11, 2011

1 snapshot

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February 18, 2011

1 snapshot

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February 19, 2011

1 snapshot

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February 23, 2011

1 snapshot

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Mar
1
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March 3, 2011

1 snapshot

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March 5, 2011

1 snapshot

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March 6, 2011

1 snapshot

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March 8, 2011

1 snapshot

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March 11, 2011

1 snapshot

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March 15, 2011

1 snapshot

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March 21, 2011

1 snapshot

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March 25, 2011

2 snapshots

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Apr
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April 9, 2011

1 snapshot

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April 25, 2011

1 snapshot

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April 27, 2011

1 snapshot

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April 29, 2011

1 snapshot

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May
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May 5, 2011

1 snapshot

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May 8, 2011

2 snapshots

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May 9, 2011

1 snapshot

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May 15, 2011

1 snapshot

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Jun
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June 11, 2011

1 snapshot

11
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14

June 15, 2011

5 snapshots

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June 26, 2011

2 snapshots

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Jul
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July 15, 2011

1 snapshot

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July 20, 2011

1 snapshot

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July 21, 2011

1 snapshot

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July 25, 2011

3 snapshots

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Aug
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Sep
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Oct
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Nov
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Dec
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Note

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