http://www.leapfrog.com/ has been crawled 560 times going all the way back to February 8, 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

January 26, 2011

1 snapshot

26
27
28
29
30
31
Feb
1

February 2, 2011

2 snapshots

2
3
4

February 5, 2011

1 snapshot

5
6

February 7, 2011

1 snapshot

7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

February 25, 2011

1 snapshot

25
26
27
28
Mar
1
2
3
4
5
6

March 7, 2011

1 snapshot

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
Apr
1
2
3
4
5
6
7
8
9
10
11
12

April 13, 2011

1 snapshot

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

April 29, 2011

1 snapshot

29
30
May
1
2
3
4
5
6

May 7, 2011

1 snapshot

7
8
9
10

May 11, 2011

1 snapshot

11
12
13
14
15
16
17
18
19
20

May 21, 2011

1 snapshot

21
22
23
24
25
26
27
28
29
30
31
Jun
1

June 2, 2011

1 snapshot

2
3
4

June 5, 2011

1 snapshot

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

June 23, 2011

1 snapshot

23

June 24, 2011

1 snapshot

24
25
26
27
28
29
30
Jul

July 1, 2011

1 snapshot

1
2
3
4
5
6
7
8
9
10
11
12

July 13, 2011

1 snapshot

13
14
15

July 16, 2011

1 snapshot

16
17
18
19
20

July 21, 2011

1 snapshot

21
22

July 23, 2011

2 snapshots

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.leapfrog.com/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.