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