Why is connection speed and page rendering so much slower in FF 3.6.13?

After installation of the 3.6.13 upgrade, website connection and page rendering speed became significantly slower than in all previous versions. I searched the knowledge base and Forum and found this post:
http://support.mozilla.com/en-US/questions/668695#answer-108852
After changing settings as described in the post, speed was easily more than doubled.
I'm wondering if anyone else has experienced the slowdown in connection and rendering speed with 3.6.13. And also why, if the settings worked so well for me, they aren;t standard in FF?

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Why yahoo/gmail retrieval and facebook app so so slow when in WIFI. But using the internet to check for emails and facebook is fast using the same WIFI connection??

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Hi SandyS_VZW,
Yes tried resetting the wifi connection and problem still persist.
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My wife has the same Samsung Galaxy Note 4 (coming from different provider at&t) - same setup (emails, fb app), same wifi connection, but she's not experiencing anything like it.
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Hi *,
Does anybody know some tips & tricks to speed up page rendering?
I have made a complex MVC application with tons of elements in each view.
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Brian,
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Hi
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0.12084     0.00345     ...metadata, fetch items     4
5
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2
     0.12576     0.00152     Rendering form open tag and internal values     4
2
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1
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1
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8
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4
     0.13552     0.00038     Computation point: Before Box Body     4
1
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0
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1
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2
     0.13814     0.00052     Add error onto error stack     4
1
     0.13866     0.00048     ...Error data:     4
1
     0.13914     0.00048     ......message: ORA-06502: PL/SQL: numeric or value error: character to number conversion error     4
1
     0.13962     0.00049     ......additional_info: ORA-06502: PL/SQL: numeric or value error: character to number conversion error     4
1
     0.14011     0.00048     ......display_location: ON_ERROR_PAGE     4
1
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1
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1
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1
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1
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1
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1
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1
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1
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3
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1
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1
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1
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5
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3
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jon

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On November 24th I sent an email similar to this post to both Linksys Support and Intel support and have not received a response back from either as of yet.
On 12/5/2009, after reading similar posts in the support forums, I followed some tips suggested by forum users:
1) I hard reset the router by holding the reset button in for between 30 and 60 seconds.
2) I hard power cycled the router by unplugging it for bewteen 30 and 60 seconds.
3) I selected manual wireless configuration and assigned a unique SSID.
4) I selected WPA2-Personal security and assigned a 9-character password.
5) I set Radio Band Frequency to "Standard 20 MHz" and the channel to 11.
6) Beacon Interval to 50
7) Frag and RTS Thresholds to 2304.
8) MTU to 1350.
9) Power cycled the router and restored a few settings that were lost.
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We are giving our son a netbook for Christmas and I hope to have resolved all of these issues before then.
What other settings changes can be made to increase my connection speed over 100Mbps and stop the intermittent signal drops??
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Laptop: Dell Inspiron 1545 (A10 BIOS)
Operating System: Windows 7 Home Premium x64
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Wireless Card: Intel WiFi Link AGN 5100
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I have Vista 32 bit on my computer and the latest version of Firefox installed.
== about 3 days ago

here are some Tips&Tricks that can help you double the speed of Firefox.
1. Type about:config in the address bar and then press Enter.
2. In the filter search bar type network.http.pipelining. Be sure the value field is set true,if not double-click to set true.
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3. Go back to the filter search bar and type network.http.pipelining.maxrequests. Double-click this option and set its value to 8.
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Mozilla applications render web pages incrementally, they display what’s been received of a page before the entire page has been downloaded. Since the start of a web page normally doesn’t have much useful information to display, Mozilla applications will wait a short interval before first rendering a page. This preference controls that interval. Right-click (Apple users ctrl-click) anywhere in the about:config window and select New and then Integer from the pop-up menu.
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Why is connection speed and page rendering so much slower in FF 3.6.13?

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