This will include several smaller criteria, including the number of users, the number of games available, and the number of sports and their relative betting markets.
http://biopharmamash.com/viewtopic.php?t=1021890
http://www.prepody.ru/topic50941.html
http://daveandspencer.com/forums/viewtopic.php?f=10&t=1008547
http://forum3.bandingklub.cz/viewtopic.php?f=29&t=1306573
http://horsecity.ru/phpBB3/viewtopic.php?f=34&t=202354
https://www.ww2.site/forum/viewtopic.php?t=68525
http://forum.arduionly.com.au/showthread.php?tid=38127
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=193803
http://forum3.bandingklub.cz/viewtopic.php?f=1&t=1183325
https://gravatar.com/travelersweetly6c8a866657
https://ebagcilar.com/forum/index.php?topic=16032.new#new
http://lcpd.gta-u.com/zh/viewtopic.php?t=34491
http://lcpd.gta-u.com/zh/viewtopic.php?t=3693
https://ks.wlshq.cn/forum.php?mod=viewthread&tid=6476&extra=