Minify is a PHP5 minifier for JS and CSS files : http://code.google.com/p/minify/ When I

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Editorial Team

Asked: June 1, 20262026-06-01T12:00:57+00:00 2026-06-01T12:00:57+00:00

Minify is a PHP5 minifier for JS and CSS files : http://code.google.com/p/minify/

When I modify a CSS file then reload the page via Google Chrome, on the first load, I have this error :

Error 330 (net::ERR_CONTENT_DECODING_FAILED): Unknown error

It’s only on the first load of the page after the CSS modification. If I reload after, there is no error.

I believed it was a problem with Zlib like on : HTTP 330 error on PHP deprecation errors but Zlib is activated on my server.

The error is not happening when Minify is in debug mode (so when it only merge file and doesn’t modify nor compress content)

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Editorial Team · Answer 1 · 2026-06-01T12:00:59+00:00

Editorial Team

This seems to be a bug in 2.1.5. I had the same problem you described, but only in 2.1.5 so I downgraded to 2.1.3 and it works.

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