Hey there Jazherah,
Thanks for reaching out to Apple Support Communities. We understand you’re having issues using a website as expected on your Mac. We’ll be happy to help with this.
If a website isn’t working or loading as expected on your iPhone, go through the steps in this link to delete cache, cookies, and history and see if this has any impact on the issue:
Clear the history and cookies from Safari on your iPhone, iPad, or iPod touch
Then go through the steps here and try loading the website(s) once more:
If Safari displays a blank page or quits on your iPhone, iPad, or iPod touch
Try loading from a private browsing window as well if you still have issue:
Browse privately in Safari on iPhone
We hope this helps.
Take care.