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I have been doing some speed optimization tests and changes to improve a joomla 3 site and now the site and admin works fine until I try and add a new article and the page will not load I just get a browser "Content Encoding Error". It seems to effect FireFox more than Chrome for some reason.

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This could happen when gzip compression is enabled and your browser isn't configured to accept compressed content.

Try the following

  1. In Firefox address bar, type about:config
  2. If a warning is shown, accept and proceed.
  3. In search bar, type encoding
  4. For network.http.accept-encoding option, double click on value
  5. Change it to gzip,deflate. Click Ok.
  6. Refresh and try adding a new article.
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  • It worked again turning off gzip, thank you. But why cant I have gzip on the frontend and off in the back? Apr 25, 2014 at 14:29
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    I am not too sure about if gzip is enabled for both (admin and frontend) or only frontend when you enable it from settings. Personally I too would prefer if it gets enabled only for frontend. But I believe that using htaccess you should be able to disable gzip for back end, e.g. administrator directory. Apr 26, 2014 at 19:14
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  1. Clear the browser cache
  2. Clean Joomla Cache
  3. If it still does not work then disable 'Gzip Page Compression' global configuration.
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    This is not a browser cache issue, but can see those 3 steps as worth a try to teach people before checking other things Apr 29, 2014 at 8:18

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