WordPress Speed Up Service | WordPress Website Maintenance Packages How to fix Content Encoding Error?, by sedelstein When I go to my website in Firefox I get a Content-Encoding Error (below). I do not get that error with Safari or Chrome. What could be causing this? ===================================================== Content Encoding Error The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression. Please contact the website owners to inform them of this problem. How to fix Content Encoding Error?