Image loading "progressively" for some reason

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Unassigned

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()

Core
ImageLib
6 years ago
5 years ago

People

(Reporter: bz, Unassigned)

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Firefox Tracking Flags

(Not tracked)

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See image in the url field.  It visibly loads slowly, even after we should have it cached.  I don't understand why.

See http://stackoverflow.com/questions/10608542/visible-image-buildup-from-top-to-bottom-is-there-a-way-to-show-in-one-stroke for the original thread about this.
Created attachment 625882 [details]
The image in question
Interesting...  Same behavior in chrome on my Linux box.

Loading off bugzilla's servers is better, but I still see a flash as it loads, and I still see a full network request, in Firefox and Chrome.

  data:text/html,<img src="https://bugzilla.mozilla.org/attachment.cgi?id=625882">

Doesn't look like anything is being cached, with either URL, in either browser.  I'd think that caching was being disabled in the HTTP headers, but sabine-schneider.silbe.org is sending back basically zero headers, so that shouldn't disable our cache.
It's not just that.

If you look at the original context for this discussion, there is a copy of this image loaded into one <img> tag and then another <img> tag with the same URI is created.  That should just hit the imagelib cache, I'd think.  And in that situation Chrome's behavior _is_ apparently different.
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