I thought this might have been an issue with the SSL redirect, but now I’m not so sure.
My site https://www.lanchestercc.co.uk/ views fine on Safari, Chrome, Opera and Firefox on a Mac, but as soon as I look on my wife’s laptop or the community centre computer, I get the message from the photo.
Has anyone ever come across this? My concern is that a significant chunk of people using this site will be using crappy older computers.
I’ve screen shot some of the info from her PC in case that’s any use: