Hello, the first thing you could do is to have a terminal open and you check which process need a lot of processing power with top when the problem appears. Karl Am 14.10.2014 20:08, schrieb Robert Rea:

I am seeing periods of lag, usually one to two seconds, but up to ten seconds. This makes loading pages into Firefox very slow and difficult. where would you suggest I look for causes, and what tools to use? I am unfamiliar with this kinds of applications.

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On 10/14/2014 08:08 PM, Robert Rea wrote:

I am seeing periods of lag, usually one to two seconds, but up to ten seconds. This makes loading pages into Firefox very slow and difficult. where would you suggest I look for causes, and what tools to use? I am unfamiliar with this kinds of applications.

In Firefox, hit CTRL-Shift-q, then Click the Clock, start browsing, and see, which parts of the webpage is slow. You can click on the bars to see what takes long: dns/connect/sending/waiting/receiving. dns and sending shold be close to 0. connect and waiting depends on the webserver, receiving on the object size and your connection speed.