E-Hentai Statistics

Various statistics about E-Hentai from various dates.

Chart

Factor	Number	Date
Overall
Annual cost of maintaining E-Hentai (USD)	$100,000	2013-01[1][2]
	$56,000	2011-09[3]
	$46,000	2010-03[4]
	$4,800	2007-02[5]
Total cumulative cost of maintaining E-Hentai (USD)	$200-300,000	2012-09[6]
Number of servers (physical)	38	2014-09[IRC]
	34	2013-01[7]
	21	2011-01[8]
	20	2010-04[9]
	15	2008-10[10]
	6	2007-02[11]
Unique visits (last 30 days)	~20,000,000	2013-10[12]
	~18,000,000	2013-08[IRC]
	~11,000,000+	2012-11[13](Note)
	~3,700,000	2010-03
	~3,000,000	2010-01[14][15][16][17][18]
	~2,000,000	2009-07[19]
	~1,700,000	2009-06[20]
Non-Unique visits (last 30 days)	~11,300,000	2010-06[21]
	~9,000,000	2009-11[22]
	~8,000,000	2009-10[23]
	~7,000,000	2009-09[24]
	~6,000,000	2009-07
	~5,000,000	2009-06
Non-Unique pageviews (last 30 days)	~3,888,000,000; One frontend server reported ~5,500,000,000	2015-03[IRC]
	~1,740,000,000	2013-11[IRC]
	1,051,418,844	2011-08[25]
	~600,000,000	2010-01[26]
	~500,000,000	2009-11[27]
	~400,000,000	2009-08[28]
	~300,000,000	2009-06[29]
Forums
Registered members	2,792,570+	2015-11
	2,531,820+	2015-06
	2,130,670+	2014-11
	1,844,030+	2014-04
	1,565,000+	2013-10
	1,398,100+	2013-06
	1,233,000+	2013-01
	1,146,000+	2012-10
	1,057,000+	2012-07
	960,000+	2012-05
Forum posts	2,269,140+	2015-11
	(Spamhaus subforum formally purged from the system)	2015 Q3[IRC]
	3,067,810+	2015-06
	2,657,930+	2014-11
	2,215,958+	2014-04
	2,013,300+	2013-10
	1,825,800+	2013-06
	1,555,000+	2013-01
	1,391,000+	2012-10
	(~500,000 wiped)	2012-07[30]
	1,700,000+	2012-05
H@H
Image requests handled	98%	2014-07[31]
	92-98%	2012-21[32]
	90-95%	2012-06[33]
	83-86%	2011-12[34]
	80%	2011-09[35]
	10%	2008-04[36]
Average fail rate for the internal tester	1.7%	2012-06[37]
Average number of active clients	674	2012-07[IRC]
Aggregate bandwidth capacity	10.0 Gb/s	2013-02[38]
	3.3 Gb/s	2012-07[IRC]
	1.0 Gb/s	2009-10[39]
Aggregate bandwidth utilized (peak)	2 Gb/s+	2012-07[40]
Galleries
Standard galleries	~283,471	2015-11
	~269,012	2015-07
	~240,753	2014-11
	~220,942	2014-04
	~203,104	2013-11
	~187,524	2013-06
	~173,988	2013-01
	~167,556	2012-10
	~162,000	2012-07
	~152,000	2012-05
	~250,000	2011-10[41]
	~200,000	2010-02[42]
	~100,000	2009-10[43]
Unique tags	339,606	2015-05
	330,600	2015-01
	322,096	2014-09
	307,854	2014-03
	305,052	2013-01
	298,490	2013-11
	274,082	2013-02
	238,003	2012-09[44]
Downloads per week	170,000	2012-09[45]
Torrents	~102,432	2015-07
	~99,754	2014-11
	~97,900	2014-04
	~85,655	2013-11
	~87,804	2013-06
	~77,924	2013-01
	~62,420	2012-07
	~60,000	2012-05
Renames per week	1,027+	2015-07
	585+	2014-07
	630+	2013-04
	750+	2012-07
Unique files (not counting thumbnails)	50,000,000+	2012-05[46]
	22,830,990	2011-12[47]
Odds of a file hash collision	1 in 1,830,000,000,000,000,000,000,000,000,000,000,000,000	2012-05[48]
Average views per uploaded file (popular categories)	1,200	2012-01[49]
Average views per uploaded file (Non-H category)	179	2012-01
Average number of tags/ratings made	3 per second	2011-11[50]
Growth rate (Traffic)	5-10% per month	2011-11[51]
Growth rate (Storage)	10-15% per month	2011-11
Growth rate (Database)	10-15% per month	2011-11
Total image backup size	18 TB	2013-04[IRC]
	~16 TB	2011-11
	Under 750 GB	2009-11
Compressed database size	3.5 GB	2011-11
	480 MB	2009-11
Online copies of each image	4-16	2011-05[52]
Galleries with torrents	~22%	2015-07
	~24%	2014-04
	~25%	2013-06
Gallery Points in circulation	48,787,154,519	2014-01[IRC]
HentaiVerse
Total Custom Monsters	42,086	2013-11[53]
	(~7,000 wiped)	2013-11
	42,126	2013-05[54]
	37,004	2012-06[55]
Custom Monsters above PL 250	4,319	2013-05
Custom Monsters below PL 250	37,807	2013-05
Custom Monsters at or above PL 25	16,679	2012-06
Custom Monsters below PL 25	20,325	2012-06
Total MoogleMail messages sent	1,382,300+	2015-07
	1,173,180+	2014-11
	1,070,200+	2014-07
	827,000+	2013-11
	685,200+	2013-06
	552,500+	2013-02
	462,000+	2012-11
	300,000+	2012-06
Item Bot credits used	37,000,000	2012-06[56]
Item Bot credit profits shared	5,200,000	2012-06
Equipment
Total generated	~3,000,000	2013-07[IRC]
Total table size	2.1 GB	2014-05[57]
	1.2 GB	2013-07[IRC]
Amount still in circulation	11%	2013-07[IRC]
Peerless equipment generated	34	2014-01[58]

Other Notables

• Within the top 500 sites in Japan^[59] (Current Estimate: ~180)
• Highest share of visitors are from: Japan^[60][61] (As of Apr. 2013: ~20%)
• Within the top 2,000 sites worldwide (Current Estimate: ~1,318)

See also

• Anatomy of the E-Hentai infrastructure (Missing chart image can be found here)