Pages in safari load without images

Enable Develop menu ,click Develop in the sSafari menu bar and make sure "Disable images is not enabled".

If enabled, click in it

    Use the developer tools in the Develop menu in Safari on Mac ...

Allow third party content providers.

Deselect Prevent cross-site tracking if selected.

Safari > Preferences > Privacy > Website tracking.

    Prevent cross-site tracking in Safari on Mac

If features on a webpage don’t work in Safari on Mac

https://support.apple.com/guide/safari/if-features-on-a-webpage-dont-work-ibrw1032/13.0/mac/10.15

Startup in Safe Mode   https://support.apple.com/lv-lv/HT201262

    Login to your account.

    Lauch Safari.

    Test.

    To exit Safe Mode, click the  in the menu bar and then “Restart”.

1.Backup the computer

2.Reinstall macOS from Recovery.

    https://support.apple.com/en-us/HT204904