350957 - Pages that load in 3 seconds on IE6 take over a minute in Firefox

Status: RESOLVED WORKSFORME

(Firefox :: General, defect)

Description

[tnp]

User-Agent:       Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6
Build Identifier: Mozilla/5.0 (Windows; U; Win98; en-US; rv:1.8.0.6) Gecko/20060728 Firefox/1.5.0.6

Something in (I think) the Javascript used by this site is causing intense CPU usage. THis seems to be assoviated with some javsacript errors. 

All instances of Firefox - tabbed or separate windows - freeze while this is happening. Other Win 98 programs respond normally.

I DO have a low power processor here - celeron 433 - but only this site behaves like this.




Reproducible: Always

Steps to Reproduce:
1.simply try to load any main page on thie siet www.ft.com.
2.wait...
3.and wait..

Actual Results:  
..and eventually after a minute or so, it displays and firefox comes back from the dead.



Expected Results:  
IE6 does it about 20 times faster.

My SQUID ouput shows the timings. It isn't a squid issue - happens the same if I disable proxies.

1157075589.826   3550 192.168.0.2 TCP_MISS/200 93683 GET http://www.ft.com/home/uk - DIRECT/62.25.101.90 text/html
1157075589.840    166 192.168.0.2 TCP_MISS/304 447 GET http://mwprices.ft.com/custom/ft2-com/images/right-arrow.gif - DIRECT/63.240.26.50 -

Then a 85 second wait for...

1157075675.188    283 192.168.0.2 TCP_MISS/200 5556 GET http://mwprices.ft.com/custom/ft2-com/html-mktbox-worldindices.asp - DIRECT/63.240.26.50 text/html
1157075675.403      0 192.168.0.2 TCP_IMS_HIT/304 369 GET http://www.ft.com/FTCOM/JavaScript/numbty_raw.js - NONE/- application/x-javascript


Javascript console shows plenty of errors

Error: Error in parsing value for property 'display'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 3
Error: Unknown property 'http'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Error in parsing value for property 'display'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Unknown property 'filter'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Unknown property 'filter'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Error in parsing value for property 'max-width'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Expected color but found 'none'.  Error in parsing value for property 'background-color'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Unknown property '_height'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Unknown property '_height'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 11
Error: Unknown property 'filter'.  Declaration dropped.
Source File: http://www.ft.com/c/core
Line: 13

Comment 1

[Steve England [:stevee]]

Reporter, do you still see this problem with the latest Firefox 2? If not, can you please close this bug as WORKSFORME. Thanks!

Comment 2

[Steve England [:stevee]]

Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.8.1.5pre) Gecko/20070705 BonEcho/2.0.0.5pre ID:2007070504

WFM. Reporter, if you still see this problem with the latest release of Firefox 2, please reopen this bug. Thanks!

Comment 3

[tnp]

No, its a LOT better..its still marginally slower, but to totally unuseable.