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Windows 7: All browsers suddenly slow

03 Dec 2015   #1
Splatticus

Windows 8 64bit
 
 
All browsers suddenly slow

For some reason, only half the number of images load on facebook, youtube videos are slow to load and all the browsers I have tried (default Chrome) are very slow. Usually however my browser speed is fast for 2 minutes after resetting the PC. I have tried clearing history, cache, and my internet speed is fine as I play League of Legends and Skype is fine too. I have also tried resintalling chrome, adobe flash and have deleted latest windows updates. Would resetting the modem possibly help? What else could it be? Thanks, Ashley ~x~


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03 Dec 2015   #2
Pauly

Win7 Ultimate X64
 
 

Resetting your router/modem would be the first thing I would do.
Have you run a speed test to what your actual upload/download is ?
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04 Dec 2015   #3
jamis

Windows 7 Home Premium 64 bit SP1
 
 

Well, this is a W7 forum and you're running W8, but does Task Manager show heavy usage by one or more processes when this slowness is occurring? I've seen this before as a result of a browser hijack.
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04 Dec 2015   #4
dsperber

Windows 7 Pro x64 (1), Win7 Pro X64 (2)
 
 

I have noticed that anything off of the main home page of Huffington Post (i.e. the articles themselves) now cause my CPU fan to rev up and spin loudly. Interestingly, I notice that the font used on these article pages has also changed.

I am using "hardware acceleration" in Firefox, but the problem does appear to be Flash19.0.

When I go into Resource Manager (or Security Task Manager) and sort on CPU, it turns out Flash 19.0 is using 65% of the CPU when I'm on these off-home HuffPost pages.

In contrast, on THIS site (SevenForums) which does not use Flash, everything is quiet and CPU usage is minimal.

So it seems more to be site-design, font used, ads present (or suppressed by AdBlock Plus, etc.), imbedded video links, etc., in other words anything that involves Flash seems to suddenly be burning up the CPU which in turn makes things appear to be very slow. Page scrolling is slow, going to imbedded other links is slow... and I'm sure it's all caused by Flash 19.0.

I wonder if Adobe will fix this, or if we're somehow now doomed. This was not a problem until recently.
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04 Dec 2015   #5
jamis

Windows 7 Home Premium 64 bit SP1
 
 

dsperber: I went to Huffington Post and opened a few stories. Very short burst of CPU usage by FF v42.0 with Flash v19.0 and no hardware acceleration, up to 3% of CPU when the off home page story is opened and then it settles down to normal. Didn't turn AdBlockPlus and Ghostery off though.
My System SpecsSystem Spec
05 Dec 2015   #6
Callender

Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by dsperber View Post
I have noticed that anything off of the main home page of Huffington Post (i.e. the articles themselves) now cause my CPU fan to rev up and spin loudly. Interestingly, I notice that the font used on these article pages has also changed.

I am using "hardware acceleration" in Firefox, but the problem does appear to be Flash19.0.

When I go into Resource Manager (or Security Task Manager) and sort on CPU, it turns out Flash 19.0 is using 65% of the CPU when I'm on these off-home HuffPost pages.

In contrast, on THIS site (SevenForums) which does not use Flash, everything is quiet and CPU usage is minimal.

So it seems more to be site-design, font used, ads present (or suppressed by AdBlock Plus, etc.), imbedded video links, etc., in other words anything that involves Flash seems to suddenly be burning up the CPU which in turn makes things appear to be very slow. Page scrolling is slow, going to imbedded other links is slow... and I'm sure it's all caused by Flash 19.0.

I wonder if Adobe will fix this, or if we're somehow now doomed. This was not a problem until recently.
I get problems with the site. Unresponsive script and numerous certificate changes. It's heavy with trackers and there are video platforms that use flash.
All browsers suddenly slow-huffington-post-united-kingdom-4-cyberfox.jpg
I have an add on "plugins click to play per element" that only loads flash content for an element when it is clicked on rather than allowing flash content for the whole page and all the domains.
All browsers suddenly slow-huffington-post-united-kingdom-cyberfox.jpg
If flash is blocked completely then the site works okay but obviously no flash content will display.

I had to accept numerous certificates. Here's one example.
All browsers suddenly slow-huffington-post-united-kingdom-2-cyberfox.jpg
With click to play per element activated:
All browsers suddenly slow-huffington-post-united-kingdom-3-cyberfox.jpg
These settings are specifically used in my browser but yours will be different.
In about:config "plugins.click_to_play" must be "true".
On about:addons (plugins page) required plugin must be "Ask to activate" if I want to enable the plugin on the page and not the whole website by clicking the "Allow Now" button
in about:config "plugin.sessionPermissionNow.intervalInMinutes" is set to 0 (zero)

Now the interesting part is that the site works without any problem only if:

HOSTS file is the default one.
Any ad blocking is disabled.
Flash plugin detection - when asked choose "Allow Now and Remember" - if I just choose "Allow Now" I get another prompt within seconds.

There are many domains that must not be blocked for the site to work properly.

I don't believe there's a problem with Adobe Flash Player as I can get the website to work by disabling a whole lot of things that block scripts, ads, trackers etc.


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