Hello Friends !
I have configure 5-6 app control rule (delete all rule which come default) and i have block facebook and twitter (rule 2 and 3) when i try to access some site where site has link with facebook and twitter page take very long time to download ,this i observe on www.pcmag.com/(many link in pcmag which has facebook and twitter link ) and Naked Security | News. Opinion. Advice. Research
http://www.scmagazineuk.com/sophos-announces-intention-to-acquire-astaro/article/202233/ and some other site where u can enter the post by using twitter or facebook account
i found when wordpress is use for blog this problem is noticeable
thanks