Re: How to disable link-prefetching?

[David E. Ross]

On 3/14/10 1:26 AM, Theo wrote:
> In the preferences "network.prefetch-next" is set to "false" to stop 
> link-prefetching.
> 
> But when I open my local personal link-site
> SM2.0.x/MacOs10.5.8 is fetching every link on this site, also when i go 
> any site with the browser it fetches every link on that site.
> 
> Often this behavior delays the perfomance to slow.
> 
> How to stop this, is there another hidden pref I dont know?
> 
> Tia, Theo.

On the SeaMonkey menu bar, select [Edit > Preferences].

On the left side of the Preferences window, select [Advanced > HTTP
Networking].

On the HTTP Networking pane, uncheck the two "Enable Pipelining"
checkboxes.  If those checkboxes are grayed-out, you must first check
the "Enable Keep-Alive" checkboxes; after clearing the "Enable
Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
checkboxes.

Select the OK button.

-- 
David E. Ross


Go to Mozdev at  for quick access to
extensions for Firefox, Thunderbird, SeaMonkey, and other
Mozilla-related applications.  You can access Mozdev much
more quickly than you can Mozilla Add-Ons.
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Re: How to disable link-prefetching?

[Philip Chee]

On Sun, 14 Mar 2010 08:10:34 -0800, David E. Ross wrote:

> On the SeaMonkey menu bar, select [Edit > Preferences].
> 
> On the left side of the Preferences window, select [Advanced > HTTP
> Networking].
> 
> On the HTTP Networking pane, uncheck the two "Enable Pipelining"
> checkboxes.  If those checkboxes are grayed-out, you must first check
> the "Enable Keep-Alive" checkboxes; after clearing the "Enable
> Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
> checkboxes.

David, these settings have nothing to do with link prefetching. Did you
actually read the question?

Phil

-- 
Philip Chee , 
http://flashblock.mozdev.org/ http://xsidebar.mozdev.org
Guard us from the she-wolf and the wolf, and guard us from the thief,
oh Night, and so be good for us to pass.
[ ]It's too bad ignorance isn't painful.
* TagZilla 0.066.6

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Re: How to disable link-prefetching?

[Phillip Jones]

Philip Chee wrote:

On Sun, 14 Mar 2010 08:10:34 -0800, David E. Ross wrote:


On the SeaMonkey menu bar, select [Edit>  Preferences].

On the left side of the Preferences window, select [Advanced>  HTTP
Networking].

On the HTTP Networking pane, uncheck the two "Enable Pipelining"
checkboxes.  If those checkboxes are grayed-out, you must first check
the "Enable Keep-Alive" checkboxes; after clearing the "Enable
Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
checkboxes.


David, these settings have nothing to do with link prefetching. Did you
actually read the question?

Phil


Although I didn't submit the above answer. I might would have.
what purpose or affect does Turning on Pipe lining and an prefetching. 
By its own description, it sounds like it means that some of the content 
from the URL is pre-fetched and put in memory so that the site loads 
faster.  If it doesn't do that what benefit is it? What purpose do those 
settings serve?


--
Phillip M. Jones, C.E.T."If it's Fixed, Don't Break it"
http://www.phillipmjones.net   http://www.vpea.org
mailto:pjon...@kimbanet.com
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Re: How to disable link-prefetching?

[David E. Ross]

On 3/14/10 9:22 AM, Philip Chee wrote:
> On Sun, 14 Mar 2010 08:10:34 -0800, David E. Ross wrote:
> 
>> On the SeaMonkey menu bar, select [Edit > Preferences].
>>
>> On the left side of the Preferences window, select [Advanced > HTTP
>> Networking].
>>
>> On the HTTP Networking pane, uncheck the two "Enable Pipelining"
>> checkboxes.  If those checkboxes are grayed-out, you must first check
>> the "Enable Keep-Alive" checkboxes; after clearing the "Enable
>> Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
>> checkboxes.
> 
> David, these settings have nothing to do with link prefetching. Did you
> actually read the question?
> 
> Phil
> 

What is pipelining if it doesn't involve prefetching.

-- 
David E. Ross


Go to Mozdev at  for quick access to
extensions for Firefox, Thunderbird, SeaMonkey, and other
Mozilla-related applications.  You can access Mozdev much
more quickly than you can Mozilla Add-Ons.
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Re: How to disable link-prefetching?

[Theo]

Phillip Jones wrote:

Philip Chee wrote:

On Sun, 14 Mar 2010 08:10:34 -0800, David E. Ross wrote:


On the SeaMonkey menu bar, select [Edit> Preferences].

On the left side of the Preferences window, select [Advanced> HTTP
Networking].

On the HTTP Networking pane, uncheck the two "Enable Pipelining"
checkboxes. If those checkboxes are grayed-out, you must first check
the "Enable Keep-Alive" checkboxes; after clearing the "Enable
Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
checkboxes.


David, these settings have nothing to do with link prefetching. Did you
actually read the question?

Phil


Although I didn't submit the above answer. I might would have.
what purpose or affect does Turning on Pipe lining and an prefetching.
By its own description, it sounds like it means that some of the content
from the URL is pre-fetched and put in memory so that the site loads
faster. If it doesn't do that what benefit is it? What purpose do those
settings serve?


Phillip Jones wrote:
> Philip Chee wrote:
>> On Sun, 14 Mar 2010 08:10:34 -0800, David E. Ross wrote:
>>
>>> On the SeaMonkey menu bar, select [Edit> Preferences].
>>>
>>> On the left side of the Preferences window, select [Advanced> HTTP
>>> Networking].
>>>
>>> On the HTTP Networking pane, uncheck the two "Enable Pipelining"
>>> checkboxes. If those checkboxes are grayed-out, you must first check
>>> the "Enable Keep-Alive" checkboxes; after clearing the "Enable
>>> Pipelining" checkboxes, you can then clear the "Enable Keep-Alive"
>>> checkboxes.
>>
>> David, these settings have nothing to do with link prefetching. Did you
>> actually read the question?
>>
>> Phil
>>
> Although I didn't submit the above answer. I might would have.
> what purpose or affect does Turning on Pipe lining and an prefetching.
> By its own description, it sounds like it means that some of the content
> from the URL is pre-fetched and put in memory so that the site loads
> faster. If it doesn't do that what benefit is it? What purpose do those
> settings serve?
>
thx David and Philip(s),
I tried swiching of the pipeline feature, but this was it not.
It is not much traffic what happens, I tracked it with a paket-analyser: 
It is dns-questions from my machine to a router, only a few bytes for 
erery link of the visited site. Something like "DirectoryService"??? 
calles it, but I am not a guru and dont know what is happening there.

I want it to stop and only when going to a site then it should happen.
Perhaps there is another pref I didnt find till yet.
In the old SM1.1.8 was it not, it is since the upgrade. 73, Theo.
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Re: How to disable link-prefetching?

[Rufus]

Theo wrote:
In the preferences "network.prefetch-next" is set to "false" to stop 
link-prefetching.


But when I open my local personal link-site
SM2.0.x/MacOs10.5.8 is fetching every link on this site, also when i go 
any site with the browser it fetches every link on that site.


Often this behavior delays the perfomance to slow.

How to stop this, is there another hidden pref I dont know?

Tia, Theo.


Look in Preferences->Advanced->Cache - uncheck the Link Prefetching box 
and hit Ok.


I also run with my Cache size set to zero...may want to try that as 
well, if you have a fast connection like a cable modem.


--
 - Rufus
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Re: How to disable link-prefetching?

[NoOp]

On 03/14/2010 12:05 PM, Rufus wrote:
> Theo wrote:
>> In the preferences "network.prefetch-next" is set to "false" to stop 
>> link-prefetching.
>> 
>> But when I open my local personal link-site
>> SM2.0.x/MacOs10.5.8 is fetching every link on this site, also when i go 
>> any site with the browser it fetches every link on that site.
>> 
>> Often this behavior delays the perfomance to slow.
>> 
>> How to stop this, is there another hidden pref I dont know?
>> 
>> Tia, Theo.
> 
> Look in Preferences->Advanced->Cache - uncheck the Link Prefetching box 
> and hit Ok.
> 
> I also run with my Cache size set to zero...may want to try that as 
> well, if you have a fast connection like a cable modem.
> 

That's the one.
https://developer.mozilla.org/en/Link_prefetching_FAQ
Makes note to self to file a bug report; searching for 'prefetch' in
Help doesn't find the info. Only by going to 'Advanced Preferences -
Cache' in Help is the info found.

Prefetch web pages when idle, so that links in web pages
designed for prefetching can load faster: Select this to decrease
the time it takes to load web pages when you click a link in a web page
that uses prefetching. For more information about Link Prefetching,
see the
online
Link
Prefetching FAQ.

And the online link is the one I've posted above.

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Re: How to disable link-prefetching?

[Stanimir Stamenkov]

Sun, 14 Mar 2010 10:44:19 -0800, /David E. Ross/:


What is pipelining if it doesn't involve prefetching.


http://www.google.com/search?&q=http+pipelining

:


HTTP pipelining is a technique in which multiple HTTP requests are
written out to a single socket without waiting for the
corresponding responses...


It is used to make "simultaneous" requests for number of resources 
linked in a page, but link prefetching is completely different feature:


:


... A web page provides a set of prefetching hints to the browser, and
after the browser is finished loading the page, it begins silently
prefetching specified documents and stores them in its cache...

What are the prefetching hints?

The browser looks for either an HTML link tag or an HTTP Link:
header with a relation type of either next or prefetch...

Are anchor () tags prefetched?

No, only  tags with a relation type of next or prefetch are
prefetched...


Given all this I guess Theo might be using an extension which forces 
the behavior of prefetching all links found on a page as it doesn't 
seem an expected behavior.  Theo might try starting in safe mode or 
with a fresh new profile to see if the behavior persists.


--
Stanimir
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Re: How to disable link-prefetching?

[NoOp]

On 03/14/2010 02:40 PM, Stanimir Stamenkov wrote:
> Sun, 14 Mar 2010 10:44:19 -0800, /David E. Ross/:
> 
>> What is pipelining if it doesn't involve prefetching.
> 
> http://www.google.com/search?&q=http+pipelining
> 
> :
> 
>> HTTP pipelining is a technique in which multiple HTTP requests are
>> written out to a single socket without waiting for the
>> corresponding responses...
> 
> It is used to make "simultaneous" requests for number of resources 
> linked in a page, but link prefetching is completely different feature:
> 
> :

I also found a faq (albeit a little old) for pipelining:

https://developer.mozilla.org/en/HTTP_Pipelining_FAQ
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