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.
This could happen when gzip compression is enabled and your browser isn't configured to accept compressed content.
Try the following
- In Firefox address bar, type
- If a warning is shown, accept and proceed.
- In search bar, type
network.http.accept-encodingoption, double click on value
- Change it to
gzip,deflate. Click Ok.
- Refresh and try adding a new article.
- Clear the browser cache
- Clean Joomla Cache
- If it still does not work then disable 'Gzip Page Compression' global configuration.