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From Eric Covener <cove...@gmail.com>
Subject Re: [users@httpd] gzipping via mod_deflate, the DeflateBufferSize, the Content-Length header, and download progress in Web browsers
Date Wed, 26 Sep 2012 16:35:16 GMT
> Whenever I enable GZIP compression on this page, via mod_deflate, Web
> browsers do not show the total file size to be downloaded, presumably
> because Apache is chunking the reply and the Content-Length header is
> very small, e.g., 20

Do you mean some of the chunk sizes? There should be no Content-Length header.

The browser cannot estimate the progress because neither client or
server knows how large the compressed file will be, because its
compressed on the fly.

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