http://balloons.space.edu/habp has been crawled 98 times going all the way back to March 4, 2001.

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

January 10, 2012

1 snapshot

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

January 31, 2012

1 snapshot

31
Feb
1
2
3
4
5
6
7
8
9
10

February 11, 2012

1 snapshot

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
Mar
1
2
3
4
5
6
7
8
9
10
11
12

March 13, 2012

1 snapshot

13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Apr

April 1, 2012

1 snapshot

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

April 23, 2012

1 snapshot

23
24
25
26
27
28
29
30
May
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
Jun
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

June 21, 2012

1 snapshot

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

August 22, 2012

1 snapshot

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://balloons.space.edu/habp was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.