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- N-1-2-040.70 USENET Readership Summary Report for March 1992 by Brian
- Reid, <reid@decwrl.dec.com> and Rick Adams, <rick@uunet.uu.net>
-
-
- This is the first article in a monthly posting series from the Network
- Measurement Project at the DEC Western Research Laboratory in Palo
- Alto, California.
-
- This survey is based on a sample of data taken from various USENET
- sites. At the end of this article there is a short explanation of the
- measurement techniques and the meaning of the various statistics. The
- messages that follow this one show survey data sorted by various
- criteria.
-
- The newsgroup volume and article counts that I post are often
- significantly different from the ones posted by Rick Adams, because he
- includes the size of a crossposted article in every group to which it
- is posted, whereas I charge that size only to the first-named group.
-
- The complete set of readership data (of which this is a summary) is
- posted in news.lists. The software that will let your site participate
- in the survey is in comp.sources.d and news.admin
-
-
- OVERALL SUMMARY:
- This Estimated
- Sample for entire net
- Sites: 830 45000
- Fraction reporting: 1.84% 100%
- Users with accounts: 194341 10536000
- Netreaders: 42839 2322000
-
- Average readers per site: 52
- Percent of users who are netreaders: 22.04%
- Average traffic per day (megabytes): 34.869
- Average traffic per day (messages): 14329
- Traffic measurement interval: last 28 days
- Readership measurement interval: last 75 days
- Sites used to measure propagation: 829
-
-
- From: rick@uunet.uu.net
-
-
-
- 208256 articles, totaling 410.718444 Mbytes (505.190688 including headers),
- were submitted from 18337 different Usenet sites by 52109 different
- users to 2160 different newsgroups for an average of 29.337032 Mbytes
- (36.085049 including headers) per day.
-
-
- Article Total
- Category Count Mbytes Percent Mbytes
- alt 40600 141.419297 34% 160.810095
- comp 47008 90.656343 22% 112.275455
- rec 63705 88.344278 21% 116.644629
- soc 25185 45.740411 11% 58.350678
- talk 10461 21.566199 5% 26.985346
- bit 12083 16.386749 3% 22.379109
- misc 10222 16.106943 3% 20.783631
- sci 8304 15.999018 3% 19.997566
- clari 6183 15.607980 3% 19.600248
- fj 5569 14.973089 3% 17.828647
- bionet 4303 12.547041 3% 14.299711
- news 2005 5.649594 1% 6.635805
- vmsnet 855 2.670023 0% 3.065041
- gnu 1128 2.535230 0% 3.028568
- biz 394 0.773576 0% 1.004241
- inet 192 0.376480 0% 0.451642
- eunet 205 0.256463 0% 0.367313
- de 20 0.100059 0% 0.111118
- sfnet 9 0.025062 0% 0.030310
- k12 6 0.006327 0% 0.010147
-
- Propagation Delay to uunet
-
- No. of Cumulative Hourly Breakdown of First Day
- Days Articles Percent Hours Articles Percent
- <0 1552 0% (Time Warp) -1 708 0%
- 1 196031 95% 1 104128 50%
- 2 6034 98% 2 34058 66%
- 3 1746 98% 3 14992 74%
- 4 810 99% 4 8671 78%
- 5 436 99% 5 6492 81%
- 6 288 99% 6 4247 83%
- 7 192 99% 7 3018 84%
- 8 132 99% 8 2471 86%
- 9 65 99% 9 2176 87%
- 10 39 99% 10 2024 88%
- 11 21 99% 11 1740 89%
- 12 40 99% 12 1487 89%
- 13 45 99% 13 1297 90%
- 14 19 99% 14 1217 90%
- 15 5 99% 15 1053 91%
- 16 5 99% 16 982 91%
- 17 6 99% 17 889 92%
- 18 2 99% 18 849 92%
- 19 3 99% 19 853 93%
- 20 3 99% 20 882 93%
- 21 4 99% 21 722 93%
- 22 3 99% 22 596 94%
- 23 0 99% 23 654 94%
- 25 1 99%
- 28 2 100%
-
- Average delay per article is 5.2 hours
-
- Article Size Distribution:
- % of % of % of % of
- Kbytes Count Articles Bytes Kbytes Count Articles Bytes
- 1 56801 27.3% 8.6% 9 635 0.3% 1.1%
- 2 95661 45.9% 27.7% 10 444 0.2% 0.9%
- 3 29724 14.3% 14.5% 11 344 0.2% 0.7%
- 4 10738 5.2% 7.5% 12 290 0.1% 0.7%
- 5 4943 2.4% 4.5% 13 202 0.1% 0.5%
- 6 2558 1.2% 2.8% 14 208 0.1% 0.6%
- 7 1485 0.7% 1.9% 15 171 0.1% 0.5%
- 8 975 0.5% 1.5% >= 16 3077 1.5% 26.1%
-
-
- Historical Traffic Data
-
- 14 days Mbytes Posting Active
- ending Articles per day Sites Users Groups
- 910909 124208 17.546 13503 33411 1657
- 910923 137682 19.600 14389 36719 1740
- 911008 137225 20.215 14565 37797 1732
- 911023 142161 20.124 14572 38388 1758
- 911111 154597 21.072 15531 41378 1810
- 911127 163345 22.330 15860 43955 1891
- 911209 145496 22.131 14997 39474 1851
- 920109 107114 16.686 12452 29869 1725
- 920211 195672 27.709 18092 49442 2045
- 920224 186934 26.287 17859 48591 2070
- 920312 185487 25.844 18259 48937 2081
- 920325 208256 29.337 18337 52109 2160
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