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Vandalay111

: Progressive JPEG This Post: "Progressive" JPEG: Why do many web sites avoid rendering JPEGs that way? Pros, cons? stat that many browsers do not support Progressive JPEG citing this Wikipedia

@Vandalay111

Posted in: #Browsers #BrowserSupport #Images #Jpeg

This Post: "Progressive" JPEG: Why do many web sites avoid rendering JPEGs that way? Pros, cons? stat that many browsers do not support Progressive JPEG citing this Wikipedia Article.

What I have not found is which browsers do and do not support it.

I know FF 7 supports it but I have not tested the other browsers to know.

Does anyone have a comparison chart or something similar?

Bonus Question: What e-mail clients support Progressive JPEG? (Desktop E-Mail Clients e.g. Outlook & Thunerbird etc)



So I decided to run few test to see how browsers handled Progressive JPEGs. Here is what I found:


Firefox 7 - Displayed Correctly
Internet Explorer 7 & 8 - Displayed
Photo once finished downloaded (Did not load scan by scan)
Safari 5 -
Displayed Photo once finished downloaded (Did not load scan by scan)
Chrome 13 - Display Correctly
Opera 11.5 - Displayed Correctly


If anyone has any comments to my test or any thoughts please let me know (Including how older browsers of the ones that did load it correctly work).

I am still wondering about email clients if anyone can help with that.

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@BetL925

I think Marco's comment is the correct answer in this instance, whilst most do ones that don't will display the image anyway.

Something you might find useful is this Wikipedia article on Browser Image Format support.

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