Please find my server details in the image.
The problem I'm facing here for example if I change the company logo (image 1) and after clearing the cache on my browser I go into the client portal the default logo has now changed to image 1 is changed, but if i change to image 2 for the logo or want to revert to default logo image, it is not updating.
This is also true for other instances such as client log-in sometimes the client cant go inside his/her account even after entering in the email and password (no error messages are displayed) but if they clear the cache or try in a different browser everything is working fine.
Could you be so kind to guide me on how to prevent the browser to cache the sites. I don't want fast loading times just everything working perfectly and pulling in the latest version of the .php files
