[Webkit-unassigned] [Bug 19530] New: Safari/WebKit requests the same URL multiple times when Firefox/IE only requests it once

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jun 12 20:28:23 PDT 2008


           Summary: Safari/WebKit requests the same URL multiple times when
                    Firefox/IE only requests it once
           Product: WebKit
           Version: 525.x (Safari 3.1)
          Platform: Macintosh
               URL: http://faceoutblaze.dreamhosters.com/flashtest/test.html
        OS/Version: Mac OS X 10.5
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yusufg at gmail.com

Hi, My colleague and I have constructed a test page which uses swfobject to
incorporate a SWF file into an HTML page. The purpose of this test page is to
load the same swf files multiple times into different divs and see if browsers
make a single request or make multiple requests

The test page has multiple links via either use raw <embed> tags or swfobject
api calls via loop unrolling, in a loop. We also use a mechanism which we term
as preload wherein we have a simple Actionscript on the first frame of the swf
file which calls out to a javascript callback after it finishes loading in the
main page. We found this to be an appropiate workaround for IE6/IE7 for it not
to make multiple requests

This is the actionscript used in the swf file

this.onEnterFrame = function(){
        this.bytes_txt.text = _root.getBytesLoaded() + "/" +
        if(_root.getBytesLoaded() == _root.getBytesTotal()){
                this.bytes_txt.text = "done";
                getURL("javascript: preloadfinish();");
                delete this.onEnterFrame;

We find that when we use Safari 3.1 on Mac OSX 10.5.3, it makes multiple
requests to bring in the same swf file. This was observed via the Web Inspector
as well as via HTTPScoop <http://www.tuffcode.com/>

Firefox 2 as well as Firefox 3 only make one request. It seems to remember that
it made a request to the URL and thus doesn't fire it out again

We've tried with both swfobject 1.5 as well as swfobject 2.0

SWFObject 1.5: http://blog.deconcept.com/swfobject/
SWFObject 2.0: http://code.google.com/p/swfobject/

Test URL using SWFObject 1.5


Test URL using SWFObject 2.0


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