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)	~18,000,000	Aug. 2013[IRC]
	11,000,000+	Nov. 2012[9]{1}
	~11,300,000	June 2010[10]
	North America: 3.8 million, Europe: 3.2 million, Asia: 4.3 million
	3,700,000 (last 30 days)	Mar. 2010
Forums
Registered members	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	1,825,800+	June 2013
	1,555,000+	Jan. 2013
	1,391,000+	Oct. 2012
	(~500,000 wiped)	July 2012 [11]
	1,700,000+	May 2012
H@H
Image requests handled	92-98%	Dec. 2012[12]
	90-95%	June 2012[13]
	83-86%	Dec. 2011[14]
	80%	Sept. 2011[15]
	10%	Apr. 2008[16]
Average fail rate for the internal tester	1.7%	June 2012[17]
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[18]
	3.3 Gb/s	July 2012[IRC]
	1.0 Gb/s	Oct. 2009[19]
Aggregate bandwidth utilized (peak)	2 Gb/s+	July 2012[20]
Galleries
Standard galleries	~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[21]
Unique tags	274,082	Feb. 2013
	238,003	Sept. 2012[22]
Downloads per week	170,000	Sept. 2012[23]
Torrents	~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[24]
	22,830,990	Dec. 2011[25]
Odds of a file hash collision	1 in 1,830,000,000,000,000,000,000,000,000,000,000,000,000	May 2012[26]
Average views per uploaded file (popular categories)	1,200	Jan. 2012[27]
Average views per uploaded file (Non-H category)	179	Jan. 2012
Average number of tags/ratings made	3 per second	Nov. 2011[28]
Growth rate (Traffic)	5-10% per month	Nov. 2011[29]
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[30]
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
Custom Monsters above PL 250	4319	May 2013[31]
Custom Monsters below PL 250	37807	May 2013
Custom Monsters at or above PL 25	16679	June 2012[32]
Custom Monsters below PL 25	20325	June 2012
MoogleMail messages sent	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[33]
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: Revised: "probably meant to say month"

Other Notables

• Within the top 500 sites in Japan^[34] (Current Estimate: ~144)
• Highest share of visitors are from: Japan^[35][36] (As of Apr 2013: ~20%)

See also

• Anatomy of the E-Hentai infrastructure