In User Agent strings, what does "AskTbTRL" denote?

Question

Here are a bunch of examples:

I would've guessed an Ask.com-related bot, but apparently not according to their FAQ.

Your link says it's AskTbTRL2 btw.
– user2483
Nov 19 '11 at 8:51 — user2483, Nov 19 '11 at 8:51

MDMarra · Accepted Answer · 2011-11-18 23:01:28Z

2

A quick google search shows that it's the user agent for the ask.com toolbar.

answered Nov 18 '11 at 23:01

MDMarra

1365 bronze badges

Ah, I'd been googling "AskTbTRL" which revealed nothing. Adding "2" to the end did the trick. Thanks
– mcqwerty
Nov 19 '11 at 16:13
I didn't add the two to the end and I still gt the correct result. You should try actually clicking on some of the results next time.
– MarkM
Nov 19 '11 at 16:50
And you should try looking up the word "nothing". Google gives different results to different users. In my case, there were zero results returned. Thanks anyway for the pro-tip.
– mcqwerty
Jan 16 '12 at 19:22

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