http://www.jewukr.org/center/jstudy.html has been crawled 35 times going all the way back to Июнь 24, 2002.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
янв
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
фев
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20

Февраль 21, 2009

1 snapshot

21
22
23
24
25
26
27
28
мар
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
апр
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
май
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
июн
1
2
3
4
5
6
7

Июнь 8, 2009

1 snapshot

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

Октябрь 11, 2009

1 snapshot

11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
ноя
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
дек
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.jewukr.org/center/jstudy.html was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.