From owner-freebsd-questions@FreeBSD.ORG  Sat Jan 11 14:55:07 2014
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTPS id D696D7D0
 for <freebsd-questions@freebsd.org>; Sat, 11 Jan 2014 14:55:07 +0000 (UTC)
Received: from mail-wg0-x22a.google.com (mail-wg0-x22a.google.com
 [IPv6:2a00:1450:400c:c00::22a])
 (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id 6E183182C
 for <freebsd-questions@freebsd.org>; Sat, 11 Jan 2014 14:55:07 +0000 (UTC)
Received: by mail-wg0-f42.google.com with SMTP id l18so1396484wgh.3
 for <freebsd-questions@freebsd.org>; Sat, 11 Jan 2014 06:55:05 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=googlemail.com; s=20120113;
 h=from:to:date:mime-version:subject:message-id:priority:in-reply-to
 :references:content-type:content-transfer-encoding
 :content-description;
 bh=PENHq9dZddmspnO0Z2FF6RVD2rM1qGF1sneClZUEl88=;
 b=iJ8uuBWKvPynSO6kvpfh/CoI+gV+YdjQL5aTk4ZdK2bf1qByzbdS3ElbVfkZLyn31e
 IThXcPIGfDQgKZoUnNiVMUt43wiDwgT+C7JMX3Da9xwxKWuV1xe/8XrvSCFF7EDDoMuo
 aLBhoHWdNMHLHk0KNoUqX4nafV9WsCtSoXkt02ln95XoVUsnTeAor1W0ubeFrjHBpHvP
 deyupnbQ2CifanYQx2pa+uJAk8IaJ330jVHWppQHzRMdQFH0saEFOv7eAsMh+g/kBwu6
 jUd1wzNMm+4BYUmEuhXgo3m5VyzdZju8+s3E+kpGCnpH6KiCfYcsCofW3k8ZkxG6qdTI
 lGhg==
X-Received: by 10.180.104.106 with SMTP id gd10mr7518233wib.47.1389452105155; 
 Sat, 11 Jan 2014 06:55:05 -0800 (PST)
Received: from [192.168.42.18] (dyn-62-56-62-21.dslaccess.co.uk. [62.56.62.21])
 by mx.google.com with ESMTPSA id bc5sm8021288wib.4.2014.01.11.06.55.03
 for <freebsd-questions@freebsd.org>
 (version=TLSv1 cipher=RC4-SHA bits=128/128);
 Sat, 11 Jan 2014 06:55:04 -0800 (PST)
From: g8kbvdave@googlemail.com
To: freebsd-questions@freebsd.org
Date: Sat, 11 Jan 2014 14:55:05 -0000
MIME-Version: 1.0
Subject: Re: Firefox versus Amazon
Message-ID: <52D15B49.30313.94E542@g8kbvdave.gmail.com>
Priority: normal
In-reply-to: <24727.1389442398@server1.tristatelogic.com>
References: <24727.1389442398@server1.tristatelogic.com>
X-mailer: Pegasus Mail for Windows (4.62)
Content-type: text/plain; charset=US-ASCII
Content-transfer-encoding: 7BIT
Content-description: Mail message body
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions/>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
 <mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 11 Jan 2014 14:55:07 -0000

> 
> 
> Am I the only one who has noticed that if one does pretty much anything
> on or with www.amazon.com while using Firefox on FreeBSD, the CPU usage
> (as reported by top) of Firefox ends up going through the roof?
> 
> 

Not just FF on FBSD...

Other OS/Browser combinations also bog down on some Amazon (and other 
"commercial" website) pages.

I've not bothered to look in detail, but I suspect some javascript is involved.

Regards.

Dave B.