I have gone through the troubleshoot flowchart before posting this and can confirm that my hosting server does have mod-deflate initiated etc.
I've replaced my usual caching plugin with Hummingbird in an attempt to get better page ranking and scores as we enter the busy autumn period for restaurant websites.
On both Whitefriargrill.ie and Bowlane.ie I get the "gzip is not working properly" warning:
I have tried manually adding the code to the .htaccess file, adding the code recommended by my hosing company, but nothing changes it.
Do you have any recommendations?