Might be an issue with static.verticalscope.com/h.js being unresponsive.
Do users with adblocking installed also experience these unresponsive sctipt delays of up to 5 minutes?
URLs that redirect found in: htxp://www.plantedtank.net/forums/
1: htxp://b.scorecardresearch.com/p?c1=2&c2=6036030&c4=plantedtank.net&cv=2.0&cj=1 -> htxp://b.scorecardresearch.com/p2?c1=2&c2=6036030&c4=plantedtank.net&cv=2.0&cj=1
2: htxp://ads.verticalscope.com/www/delivery/avw.php?zoneid=671&cb=INSERT_RANDOM_NUMBER_HERE&n=af4efb13 -> htxp://ads.verticalscope.com/www/images/cf68769ed421340b10e0033fe6a4b636.jpg
Attacks could be performed via open ftp vsftpd 2.0.8 or earlier ... older versions of SNMP are vulnerable to attack since they use the strings public and private for logins,
polonus