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I noticed a few weeks ago that Amazon web pages were taking a very long time to load (in excess of 10 seconds) in Firefox. When a new page loads, the whole browser is laggy and unresponsive. I've noticed this to a lesser extend on some other sites, but Amazon is basically unusable for me, so that is my test case.
As long as Ghostery is enabled in the Firefox add-ons page, I experience this problem. It does not seem to matter if I whitelist the site, disable scanning for invisible elements, or anything else. I must completely disable Ghostery if I want normal performance.
I tested this with all other add-ons enabled and disabled. Performance was consistent with results gained from testing only with Ghostery enabled, so I find it safe to say that this is not caused by an add-on conflict.
I also went as far as to disable syncing and reset my Firefox profile, but I experienced the same problem as soon as I installed Ghostery.
I ran the Firefox dev tools Profiler on my test page with both Ghostery enabled and disabled, you can download a zip of the results here.
Firefox Version: 36.0a2 (2014-12-19)
Ghostery Version: 5.4.1
OS: Windows 8.1
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I’m
frustrated
Extremely slow performance on some webpages when Ghostery is enabled in Firefox
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Thanks for using Ghostery and for this info..
since this is a nightly build issue, we don't typically run any support on it. It changes too quickly for us to do anything about most errors. We'll keep an eye on this issue and see if it makes its way to a production release.
Have you verified the same issue in a production release of Firefox?Comment -
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1No, but I will test it now.
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It seems that the issue does exist in the current stable version of Firefox (34.0.5), though it is to a lesser extent. I actually noticed that the hitching for both the enabled and disabled tests on the stable version was significantly worse than the disabled tests using the dev edition (which was smooth). I'm now not sure if this is a Ghostery problem or not since there was no perceivable difference in the poor performance for either of the stable version tests.
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