How they detect you use AB or ABP?

Hi malware fighters,

How the alternative ads are launched you read here:
http://www.webtemp.org/index.php?page=adscript&lang=en

Use ABP in combination with NoScript, or re:
http://interglacial.com/~sburke/pub/adkiller_proxy.pac.txt

polonus

Use ABP
??? ??? ???

ABP=AdBlockerPlus.

Thanks David.
As you can tell, not every one uses this add-on.
It’s not as popular an abbreviation as “FF” or “FW” or “AV” ;D

I use it not because I’m against ads per say but on dial-up I need all the help I can get so killing the ads is a welcome start ;D

I use both extensions