Internet Archive Wayback Machine

http://www.ahrq.gov/ has been crawled 1,247 times going all the way back to May 10, 2000.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ



	2		6
			3
1			3
		2	2	1


	1	1	4
2			4	1	1
			2
		1	2		1


			1	2
1	1	2		2
		1	1		1
1						1
1		1	2



3		1		2
		1		2
	1	1	1	1
				2


				1
2			1	1
	2		2	2
	1	1	4	2
		2


		2	1
2		1	3
		2
	1	2	1
1		3	2


					1
1			4	1
	2	1	1
	1	1		1
		1

Jan
						1
2	January 3, 2011 2 snapshots 05:01:03 08:19:47 3	4	5	January 6, 2011 6 snapshots 01:53:09 02:27:31 15:31:47 15:45:13 16:00:39 20:12:24 6	7	8
9	10	11	12	January 13, 2011 3 snapshots 07:38:53 10:46:51 15:28:12 13	14	15
January 16, 2011 1 snapshot 02:00:17 16	17	18	19	January 20, 2011 3 snapshots 01:25:53 16:46:02 16:57:15 20	21	22
23	24	25	January 26, 2011 2 snapshots 04:43:46 22:53:44 26	January 27, 2011 2 snapshots 05:08:49 07:54:29 27	January 28, 2011 1 snapshot 08:18:35 28	29
30	31

Feb
		February 1, 2011 1 snapshot 10:31:49 1	February 2, 2011 1 snapshot 23:35:02 2	February 3, 2011 4 snapshots 06:38:23 06:57:38 14:01:05 17:23:17 3	4	5
February 6, 2011 2 snapshots 13:16:51 19:02:25 6	7	8	9	February 10, 2011 4 snapshots 05:29:42 05:41:38 10:26:21 10:39:01 10	February 11, 2011 1 snapshot 17:32:40 11	February 12, 2011 1 snapshot 00:18:55 12
13	14	15	16	February 17, 2011 2 snapshots 15:58:49 16:26:09 17	18	19
20	21	22	February 23, 2011 1 snapshot 00:58:01 23	February 24, 2011 2 snapshots 15:22:25 15:36:36 24	25	February 26, 2011 1 snapshot 17:56:26 26
27	28

Mar
		1	March 2, 2011 1 snapshot 02:50:29 2	March 3, 2011 2 snapshots 03:38:15 13:23:24 3	4	5
March 6, 2011 1 snapshot 00:22:40 6	March 7, 2011 1 snapshot 10:20:15 7	March 8, 2011 2 snapshots 07:21:16 07:22:25 8	9	March 10, 2011 2 snapshots 03:39:31 03:52:36 10	11	12
13	14	March 15, 2011 1 snapshot 07:34:56 15	March 16, 2011 1 snapshot 22:04:09 16	17	March 18, 2011 1 snapshot 04:12:35 18	19
March 20, 2011 1 snapshot 17:46:18 20	21	22	23	24	25	March 26, 2011 1 snapshot 10:22:48 26
March 27, 2011 1 snapshot 16:36:17 27	28	March 29, 2011 1 snapshot 18:32:05 29	March 30, 2011 2 snapshots 01:11:59 04:12:17 30	31

Apr
					1	2
April 3, 2011 3 snapshots 00:13:18 06:08:37 15:04:14 3	4	5	6	April 7, 2011 1 snapshot 01:52:17 7	8	April 9, 2011 2 snapshots 08:50:24 09:07:36 9
10	11	12	13	April 14, 2011 1 snapshot 06:05:06 14	15	April 16, 2011 2 snapshots 10:24:44 10:41:19 16
17	18	April 19, 2011 1 snapshot 23:57:49 19	20	April 21, 2011 1 snapshot 19:35:19 21	April 22, 2011 1 snapshot 16:02:23 22	April 23, 2011 1 snapshot 10:40:08 23
24	25	26	27	28	29	April 30, 2011 2 snapshots 17:33:05 17:49:57 30

May
1	2	3	4	May 5, 2011 1 snapshot 10:06:32 5	6	7
May 8, 2011 2 snapshots 00:50:04 01:07:38 8	9	10	May 11, 2011 1 snapshot 23:04:33 11	May 12, 2011 1 snapshot 08:46:27 12	13	14
15	May 16, 2011 2 snapshots 08:12:43 08:36:50 16	17	May 18, 2011 2 snapshots 07:54:16 14:07:33 18	May 19, 2011 2 snapshots 00:08:22 01:45:09 19	20	21
22	May 23, 2011 1 snapshot 19:27:44 23	May 24, 2011 1 snapshot 23:50:02 24	May 25, 2011 4 snapshots 06:20:34 07:51:00 16:43:46 23:55:50 25	May 26, 2011 2 snapshots 01:19:06 23:34:23 26	27	28
29	30	May 31, 2011 2 snapshots 21:06:47 21:58:02 31

Jun
			June 1, 2011 2 snapshots 03:49:47 15:49:03 1	June 2, 2011 1 snapshot 04:49:35 2	3	4
5	June 6, 2011 2 snapshots 20:28:51 20:28:51 6	7	June 8, 2011 1 snapshot 18:35:20 8	June 9, 2011 3 snapshots 00:43:46 00:52:48 00:54:22 9	10	11
12	13	14	June 15, 2011 2 snapshots 21:25:00 21:36:13 15	16	17	18
19	20	June 21, 2011 1 snapshot 21:54:38 21	June 22, 2011 2 snapshots 20:01:59 20:22:41 22	June 23, 2011 1 snapshot 15:17:42 23	24	25
26	June 27, 2011 1 snapshot 16:53:49 27	28	June 29, 2011 3 snapshots 02:57:05 08:35:27 23:23:16 29	June 30, 2011 2 snapshots 19:24:22 21:36:34 30

Jul
					1	July 2, 2011 1 snapshot 22:00:33 2
3	July 4, 2011 1 snapshot 15:10:12 4	5	6	July 7, 2011 4 snapshots 02:22:09 02:55:19 08:21:09 08:37:35 7	July 8, 2011 1 snapshot 00:54:58 8	9
10	11	July 12, 2011 2 snapshots 16:46:59 16:46:59 12	July 13, 2011 1 snapshot 01:07:34 13	July 14, 2011 1 snapshot 22:03:59 14	15	16
17	18	July 19, 2011 1 snapshot 18:30:31 19	July 20, 2011 1 snapshot 14:59:42 20	21	July 22, 2011 1 snapshot 23:10:16 22	23
24	25	26	July 27, 2011 1 snapshot 11:08:20 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.ahrq.gov/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.

January 3, 2011

January 6, 2011

January 13, 2011

January 16, 2011

January 20, 2011

January 26, 2011

January 27, 2011

January 28, 2011

February 1, 2011

February 2, 2011

February 3, 2011

February 6, 2011

February 10, 2011

February 11, 2011

February 12, 2011

February 17, 2011

February 23, 2011

February 24, 2011

February 26, 2011

March 2, 2011

March 3, 2011

March 6, 2011

March 7, 2011

March 8, 2011

March 10, 2011

March 15, 2011

March 16, 2011

March 18, 2011

March 20, 2011

March 26, 2011

March 27, 2011

March 29, 2011

March 30, 2011

April 3, 2011

April 7, 2011

April 9, 2011

April 14, 2011

April 16, 2011

April 19, 2011

April 21, 2011

April 22, 2011

April 23, 2011

April 30, 2011

May 5, 2011

May 8, 2011

May 11, 2011

May 12, 2011

May 16, 2011

May 18, 2011

May 19, 2011

May 23, 2011

May 24, 2011

May 25, 2011

May 26, 2011

May 31, 2011

June 1, 2011

June 2, 2011

June 6, 2011

June 8, 2011

June 9, 2011

June 15, 2011

June 21, 2011

June 22, 2011

June 23, 2011

June 27, 2011

June 29, 2011

June 30, 2011

July 2, 2011

July 4, 2011

July 7, 2011

July 8, 2011

July 12, 2011

July 13, 2011

July 14, 2011

July 19, 2011

July 20, 2011

July 22, 2011

July 27, 2011

Note