I've been using ux.stackexchange daily using Safari on Max OS X (Mountain Lion) and since yesterday Safari just crashes as soon as ux.stackexhange finishes loading.

What has changed or is anyone else experiencing this?

I had to use Chrome to come and post this.

  • Cannot reproduce on 10.8.1 and Safari 6.0.. do you have any plugins or add-ons installed?
    – slhck
    Commented Sep 13, 2012 at 11:56
  • No plugins. I'll try to figure out what has changed before it starting crashing. All other websites are running fine, just ux stackexchange. Very weird.
    – Adriaan
    Commented Sep 13, 2012 at 13:00
  • 2
    Relevant MSO post: Safari 6 crashing when accessing Stack Overflow
    – Tim Stone
    Commented Sep 16, 2012 at 3:39

2 Answers 2


I figured out what is going on. When it crashes I am working on location at a client where we have web access through a proxy. When I'm at home or homebase with no proxy it doesn't crash so they must be running something that causes the crash - which seems a bit strange.


Likely it's some sort of middle-ware traffic analyzer (like netflow), that usually injects little pictures, comments and warnings, that is (unintentionally) corrupting certain types of traffic.

It's relatively common with ANY sort of network device, and Cisco is one of the bigger providers.

The traffic is (as you mentioned) usually routed through a proxy, to ensure ALL browser traffic is analyzed.

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