http://www.fpg.unc.edu/ has been crawled 381 times going all the way back to June 10, 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
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Feb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
Mar
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18

March 19, 2011

1 snapshot

19
20
21
22
23
24
25
26
27
28
29
30
31
Apr
1
2
3
4

April 5, 2011

1 snapshot

5
6
7
8
9

April 10, 2011

1 snapshot

10
11
12
13
14
15
16
17

April 18, 2011

1 snapshot

18
19
20
21
22
23
24

April 25, 2011

1 snapshot

25
26
27
28
29
30
May
1
2

May 3, 2011

1 snapshot

3
4
5
6
7
8
9

May 10, 2011

1 snapshot

10

May 11, 2011

1 snapshot

11
12

May 13, 2011

1 snapshot

13
14
15
16
17
18

May 19, 2011

1 snapshot

19

May 20, 2011

2 snapshots

20
21
22
23
24
25

May 26, 2011

1 snapshot

26

May 27, 2011

1 snapshot

27
28
29
30
31
Jun

June 1, 2011

1 snapshot

1

June 2, 2011

1 snapshot

2
3
4
5
6
7
8

June 9, 2011

2 snapshots

9
10
11
12
13
14
15

June 16, 2011

2 snapshots

16
17
18
19
20
21
22

June 23, 2011

1 snapshot

23
24
25

June 26, 2011

1 snapshot

26
27
28
29
30
Jul

July 1, 2011

1 snapshot

1
2

July 3, 2011

1 snapshot

3
4
5
6

July 7, 2011

1 snapshot

7
8

July 9, 2011

1 snapshot

9
10
11
12
13
14
15
16

July 17, 2011

1 snapshot

17
18
19
20
21
22

July 23, 2011

1 snapshot

23
24
25
26
27
28
29
30
31
Aug
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Sep
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Oct
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Nov
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Dec
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

Note

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