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"a web page is slowing down your browser" why?

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I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF.

I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF.
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  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:64.0) Gecko/20100101 Firefox/64.0

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kj2008 try "about:performance" because even though I think the problem may be re-trannsmission I see it at times that do not seem to be a throughput problem.

kj2008 try "about:performance" because even though I think the problem may be re-trannsmission I see it at times that do not seem to be a throughput problem.
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kj2008 0 個解決方法 22 個答案

Mace2 - What do you mean?

Mace2 - What do you mean?
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提出問題者

If you run "about:performance" since it happens frequently for you I am hopping the stats might show a performance degradation but I am not sure.

If you run "about:performance" since it happens frequently for you I am hopping the stats might show a performance degradation but I am not sure.
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kj2008 0 個解決方法 22 個答案

What is about:performance?

What is about:performance?
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cor-el
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This message is probably about the website taking a lot of CPU time, probably on the main processor thread. I don't know which tasks run on the main thread and which run asynchronously on their own thread. I would assume that about:performance (Task Manager) shows that a tab uses a lot of processor time.

This specific message is about the Process hang reporter. When the browser hangs and doesn't return control then this warning bar is displayed

This message is probably about the website taking a lot of CPU time, probably on the main processor thread. I don't know which tasks run on the main thread and which run asynchronously on their own thread. I would assume that about:performance (Task Manager) shows that a tab uses a lot of processor time. This specific message is about the Process hang reporter. When the browser hangs and doesn't return control then this warning bar is displayed * https://dxr.mozilla.org/mozilla-release/source/browser/locales/en-US/chrome/browser/browser.properties *https://dxr.mozilla.org/mozilla-release/source/browser/modules/ProcessHangMonitor.jsm
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ral 4 個解決方法 71 個答案

I want to automatically stop a non-responsive script without having to do anything. Is this possible?

I want to automatically stop a non-responsive script without having to do anything. Is this possible?
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提出問題者

I have noticed a issue in which if you are watching a Youtube videos that a response via http to a site map2.hwcdn.net which works out to IP (205.185.216.42 causes a large amount of retries to the network causing congestion.

I do not know exactly how the map2.hwcdn.net site gets engaged but even though the network retries are massive causing intermittent play of anything in FF . But FF does not notify that a site is slowing down your browser.

I have noticed a issue in which if you are watching a Youtube videos that a response via http to a site map2.hwcdn.net which works out to IP (205.185.216.42 causes a large amount of retries to the network causing congestion. I do not know exactly how the map2.hwcdn.net site gets engaged but even though the network retries are massive causing intermittent play of anything in FF . But FF does not notify that a site is slowing down your browser.
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CiaoBella1 5 個解決方法 236 個答案

It just happened on Outlook.com after updating FF to 67.0.2.

There do not seem to be solutions to many ongoing problems. What does a long-time FF user do?

Frustrated... One day, I might get around to explaining what happens when I use clear cache and remove cookies.

Thank you.

It just happened on Outlook.com after updating FF to 67.0.2. There do not seem to be solutions to many ongoing problems. What does a long-time FF user do? Frustrated... One day, I might get around to explaining what happens when I use clear cache and remove cookies. Thank you.
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lamrwee 0 個解決方法 3 個答案

Mace2 said

I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF.

FredMcD said

https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager <Control><Shift> H. In the search bar, enter the name of the site. Right-click on one of the listings and select Forget About This Site. This should remove all information, including any passwords / settings.
''Mace2 [[#question-1251427|said]]'' <blockquote> I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF. </blockquote> ''FredMcD [[#answer-1202041|said]]'' <blockquote> https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager '''<Control><Shift> H.''' In the search bar, enter the name of the site. Right-click on one of the listings and select '''Forget About This Site.''' This should remove all information, including any passwords / settings. </blockquote>
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lamrwee 0 個解決方法 3 個答案

lamrwee said

Mace2 said
I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF.

FredMcD said

https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager <Control><Shift> H. In the search bar, enter the name of the site. Right-click on one of the listings and select Forget About This Site. This should remove all information, including any passwords / settings.
''lamrwee [[#answer-1235792|said]]'' <blockquote> ''Mace2 [[#question-1251427|said]]'' <blockquote> I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF. </blockquote> ''FredMcD [[#answer-1202041|said]]'' <blockquote> https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager '''<Control><Shift> H.''' In the search bar, enter the name of the site. Right-click on one of the listings and select '''Forget About This Site.''' This should remove all information, including any passwords / settings. </blockquote> </blockquote>
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lamrwee 0 個解決方法 3 個答案

lamrwee said

Mace2 said
I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF.

FredMcD said

https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager <Control><Shift> H. In the search bar, enter the name of the site. Right-click on one of the listings and select Forget About This Site. This should remove all information, including any passwords / settings.

This only works if you actually know which web page is lsowing down your browser and Firefox/Mozilla does not tell you this and if you do what this reply was you do not know which to forget about. All I know is that ever since there was an upgrade to Mozilla then the site I have used for the last ten months always has this message attributed to it now when before it was never there. I need to use this site everyday since I teach online English and I need it for my work. So this looks like a problem with Mozilla/Firefox software that they need to address soon or I will be returning to my previous search engine and deleting my Firefox/Mozilla account, and I was just starting to like Firefox/Mozilla because it had been very dependable and fast.

''lamrwee [[#answer-1235792|said]]'' <blockquote> ''Mace2 [[#question-1251427|said]]'' <blockquote> I have noticed the the yellow message "a web page is slowing down your browser" What triggers this message in FF. </blockquote> ''FredMcD [[#answer-1202041|said]]'' <blockquote> https://support.mozilla.org/kb/Clear+Recent+History#w_how-do-i-remove-a-single-website-from-my-history Remove History For One Site Open the History Manager '''<Control><Shift> H.''' In the search bar, enter the name of the site. Right-click on one of the listings and select '''Forget About This Site.''' This should remove all information, including any passwords / settings. </blockquote> </blockquote> This only works if you actually know which web page is lsowing down your browser and Firefox/Mozilla does not tell you this and if you do what this reply was you do not know which to forget about. All I know is that ever since there was an upgrade to Mozilla then the site I have used for the last ten months always has this message attributed to it now when before it was never there. I need to use this site everyday since I teach online English and I need it for my work. So this looks like a problem with Mozilla/Firefox software that they need to address soon or I will be returning to my previous search engine and deleting my Firefox/Mozilla account, and I was just starting to like Firefox/Mozilla because it had been very dependable and fast.
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