http://sina.com.cn has been crawled 2,025 times going all the way back to January 25, 1999.

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

1
2
3
4
5

January 6, 2011

4 snapshots

6

January 7, 2011

1 snapshot

7

January 8, 2011

2 snapshots

8
9

January 10, 2011

4 snapshots

10
11

January 12, 2011

2 snapshots

12
13
14

January 15, 2011

2 snapshots

15
16

January 17, 2011

4 snapshots

17
18
19

January 20, 2011

2 snapshots

20
21

January 22, 2011

2 snapshots

22

January 23, 2011

2 snapshots

23
24

January 25, 2011

2 snapshots

25

January 26, 2011

1 snapshot

26
27

January 28, 2011

1 snapshot

28
30

January 31, 2011

2 snapshots

31
Feb

February 1, 2011

2 snapshots

1

February 4, 2011

2 snapshots

4

February 5, 2011

2 snapshots

5

February 6, 2011

2 snapshots

6

February 7, 2011

2 snapshots

7

February 9, 2011

4 snapshots

9
10

February 11, 2011

4 snapshots

11

February 12, 2011

2 snapshots

12
13
14

February 15, 2011

2 snapshots

15
16
17
18
19
20

February 21, 2011

4 snapshots

21
22
23
24
25

February 26, 2011

3 snapshots

26

February 27, 2011

1 snapshot

27

February 28, 2011

1 snapshot

28
Mar

March 1, 2011

2 snapshots

1
2

March 3, 2011

1 snapshot

3

March 4, 2011

2 snapshots

4

March 5, 2011

4 snapshots

5
6
7
8
9
10
11
12

March 13, 2011

2 snapshots

13
14
15
16
17
18
19
20
21
22
23
24

March 25, 2011

2 snapshots

25

March 26, 2011

2 snapshots

26
27
28
29
30
31
Apr
1

April 2, 2011

2 snapshots

2
3
4
5
6
7

April 8, 2011

2 snapshots

8

April 9, 2011

2 snapshots

9

April 10, 2011

2 snapshots

10
11
12
13
14
15
16

April 17, 2011

2 snapshots

17

April 18, 2011

2 snapshots

18
19
20

April 21, 2011

1 snapshot

21
22

April 23, 2011

1 snapshot

23

April 24, 2011

2 snapshots

24
25
26
27
28
29

April 30, 2011

1 snapshot

30
May

May 1, 2011

1 snapshot

1
2
3
4
5

May 6, 2011

2 snapshots

6

May 8, 2011

2 snapshots

8

May 9, 2011

2 snapshots

9
10

May 11, 2011

2 snapshots

11
12
13

May 14, 2011

2 snapshots

14
15

May 16, 2011

1 snapshot

16
17

May 18, 2011

2 snapshots

18
19

May 20, 2011

2 snapshots

20
21
22
23
24

May 25, 2011

4 snapshots

25
26

May 27, 2011

2 snapshots

27
28

May 29, 2011

2 snapshots

29
30

May 31, 2011

2 snapshots

31
Jun
1

June 2, 2011

2 snapshots

2

June 3, 2011

3 snapshots

3

June 4, 2011

1 snapshot

4
5

June 6, 2011

2 snapshots

6

June 7, 2011

2 snapshots

7
8

June 9, 2011

3 snapshots

9

June 10, 2011

4 snapshots

10

June 11, 2011

2 snapshots

11

June 12, 2011

2 snapshots

12

June 13, 2011

2 snapshots

13

June 14, 2011

3 snapshots

14
15
16

June 17, 2011

2 snapshots

17

June 18, 2011

2 snapshots

18

June 19, 2011

2 snapshots

19

June 20, 2011

4 snapshots

20

June 21, 2011

2 snapshots

21

June 22, 2011

2 snapshots

22

June 23, 2011

2 snapshots

23

June 24, 2011

4 snapshots

24

June 25, 2011

2 snapshots

25

June 26, 2011

2 snapshots

26

June 27, 2011

2 snapshots

27

June 28, 2011

2 snapshots

28

June 29, 2011

2 snapshots

29

June 30, 2011

2 snapshots

30
Jul

July 1, 2011

2 snapshots

1

July 2, 2011

2 snapshots

2

July 3, 2011

2 snapshots

3

July 4, 2011

2 snapshots

4

July 5, 2011

1 snapshot

5

July 6, 2011

2 snapshots

6

July 7, 2011

4 snapshots

7
8

July 9, 2011

4 snapshots

9

July 10, 2011

2 snapshots

10
11
12
13
14
15
16
17
18

July 19, 2011

2 snapshots

19

July 20, 2011

6 snapshots

20

July 21, 2011

1 snapshot

21
22

July 23, 2011

1 snapshot

23

July 24, 2011

4 snapshots

24

July 25, 2011

3 snapshots

25

July 26, 2011

4 snapshots

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