E-Hentai Statistics

Various statistics about E-Hentai from various dates.

Chart

Factor	Number	Date
Overall
Annual cost of maintaining E-Hentai	$100,000 USD	Jan. 2013[1][2]
	$56,000 USD	Sept. 2011[3]
	$46,000 USD	Mar. 2010[4]
Total cumulative cost of maintaining E-Hentai	$200-300,000 USD	Sept. 2012[5]
Number of servers	34	Jan. 2013[6]
	21	Jan. 2011[7]
	15	Oct. 2008[8]
Unique Visits (last 30 days)	~20,000,000	Oct. 2013[9]
	~18,000,000	Aug. 2013[IRC]
	11,000,000+	Nov. 2012[10]{1}
	~11,300,000	June 2010[11]
	North America: 3.8 million, Europe: 3.2 million, Asia: 4.3 million
	~3,700,000	Mar. 2010
Non-unique page-views per day	~58,000,000	Nov. 2013[IRC]
	~73,000,000 on Sundays
Forums
Registered members	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	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 [12]
	1,700,000+	May 2012
H@H
Image requests handled	92-98%	Dec. 2012[13]
	90-95%	June 2012[14]
	83-86%	Dec. 2011[15]
	80%	Sept. 2011[16]
	10%	Apr. 2008[17]
Average fail rate for the internal tester	1.7%	June 2012[18]
Average number of active clients	674	July 2012[IRC]
	North America: 275, Europe: 256, Asia: 125, South America: 15, Oceania: 4
Aggregate bandwidth capacity	10.0 Gb/s	Feb. 2013[19]
	3.3 Gb/s	July 2012[IRC]
	1.0 Gb/s	Oct. 2009[20]
Aggregate bandwidth utilized (peak)	2 Gb/s+	July 2012[21]
Galleries
Standard galleries	~5,077,600	Nov. 2013
	~4,688,100	June 2013
	~4,349,700	Jan. 2013
	~4,188,900	Oct. 2012
	~4,050,000	July 2012
	~3,800,000	May 2012
	~2,500,000	Oct. 2011[22]
Unique tags	298,490	Nov. 2013
	274,082	Feb. 2013
	238,003	Sept. 2012[23]
Downloads per week	170,000	Sept. 2012[24]
Torrents	~2,141,375	Nov. 2013
	~2,195,100	June 2013
	~1,948,100	Jan. 2013
	~1,560,500	July 2012
	~1,500,000	May 2012
Renames per week	630+	Apr. 2013
	750+	July 2012
Unique files (not counting thumbnails)	50,000,000+	May 2012[25]
	22,830,990	Dec. 2011[26]
Odds of a file hash collision	1 in 1,830,000,000,000,000,000,000,000,000,000,000,000,000	May 2012[27]
Average views per uploaded file (popular categories)	1,200	Jan. 2012[28]
Average views per uploaded file (Non-H category)	179	Jan. 2012
Average number of tags/ratings made	3 per second	Nov. 2011[29]
Growth rate (Traffic)	5-10% per month	Nov. 2011[30]
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[31]
Galleries with torrents	~25%	June 2013
Expunging Totals
Duplicates	~36,000	Jan. 2013
Replacements	~12,100	Jan. 2013
Real porn	27,500	Jan. 2013
Prohibited content	6,300+	Jan. 2013
	4,100+	July 2012
Compilations	~1,900	Jan. 2013
	~1,500	July 2012
HentaiVerse
Total Custom Monsters	42,086	Nov. 2013
	(7,000 wiped)	Nov. 2013[32]
	42,126	May 2013[33]
	37,004	June 2012[34]
Custom Monsters above PL 250	4319	May 2013
Custom Monsters below PL 250	37807	May 2013
Custom Monsters at or above PL 25	16679	June 2012
Custom Monsters below PL 25	20325	June 2012
MoogleMail messages sent	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[35]
Item Bot credit profits shared	5,200,000	June 2012
Equipment
Total generated	~3,000,000	July 2013[IRC]
Total table size	1.2 GB	July 2013[IRC]
Amount of still in circulation	11%	July 2013[IRC]

Note 1: Revision: "probably meant to say month"^[IRC]

Other Notables

• Within the top 500 sites in Japan^[36] (Current Estimate: ~144)
• Highest share of visitors are from: Japan^[37][38] (As of Apr 2013: ~20%)

See also

• Anatomy of the E-Hentai infrastructure