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Why doesn't Firefox show the Bing Homepage Wallpaper in motion when IE and Chrome do?

Why doesn't Firefox show the Bing Homepage Wallpaper in motion when IE and Chrome do?

All Replies (1)

I looked at this last August and I'll copy/paste my comments from https://support.mozilla.org/questions/1076004:

When I visit the page in Chrome and Firefox, the background section of the page is different in the HTML itself.

Chrome:

<div id="bgDiv" style="width: 1187px; height: 668px; top: -34.5px; left: 0px;">   <div id="hp_vidwrp"></div>   <video id="vid" muted="" onended="VM.play();" loop="" autobuffer="" preload="auto" oncontextmenu="return false" data-tag="" style="width: 1187px; height: 668px; top: -34.5px; left: 0px; opacity: 1; visibility: visible;" src="//az29176.vo.msecnd.net/videocontent/UK_Gateshead_ShutterstockRF_6899947_1080_HD_EN-US.mp4"></video> </div>

Firefox:

<div id="bgDiv" style="width: 1347px; height: 758px; top: -79.5px; left: 0px;"></div>

In other words, it appeared that Bing was giving Chrome users the video, but not Firefox users.

Could it be some gap in capability of Firefox? As a test, I used the ua-site-switch extension to lie to Bing and identify Firefox as Chrome. Boom. Video. Screen shot attached.

So this is either is a bug in the script on the Bing server, or intentional discrimination. No idea which.