Hi Gary, does it work in a private tab? Private tabs should not share cached files or previously set cookies with regular tabs. If it works in a private tab, you may need to clear the cache (in Firefox settings, not Android settings) before you can see the changes in the regular tab.

Hi,

I didn't know that.

Yes it does work correct in a privet tab.

But my users won't be in privet tabs.

Gary

Hi Gary, if you have users who visit the site as often as you do, it's possible their Firefox will load the page from cache rather than getting the fresh page. It's difficult to solve this without versioning the file. What I mean is, add a timestamp to the URL like:

<link rel="stylesheet" type="text/css" href="https://www.example.com/styles.css?v=1636247243">

Firefox won't have that version in cache and will have to load the new one from the server.

Hi,

Do I need to put the version in the CSS file? If so how.

Or does it only go on the URL?

Gary

Hi Gary, it's only on the URL. Anything new after the ? and before the # is considered a different file by the browser and the cached copy is not used for that file.

I suggest searching around to see what methods are recommended for your platform if you are using a CMS. As a starting point:

https://www.google.com/search?q=css+versioning+to+bypass+cache