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Are there any benefits to using Apache2s' mod_deflate compression over setting zlib.output_compression = On and zlib.output_compression_level = 1 in php.ini?

I'm trying to come up with a good compression strategy which compresses all PHP output, plus.css and .js files.

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The compression settings in your php.ini naturally only work with PHP scripts. If you want to compress your assets too, you need to use your Apache httpd's facilities.

  • Thanks. I guess I should have asked if there is any benefit to splitting up the compression duties between PHP and Apache2, or should I just use Apache2 to compress everything? The php.ini zlib seems to compress all PHP output perfectly with very minimal CPU overhead when set to level 1. – Jeff Dec 8 '09 at 17:15
  • Followup... my research seems to show that using zlib in php.ini instead of Apache2s' mod_deflate speeds up output of PHP a little bit. – Jeff Dec 9 '09 at 10:48

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