nike website not working on any browser (iPhone and MacBook)

For at least an year now, my Macbook and iPhone has restricted access to a few webpages on Nike website.

I tried deleting cache and history many times. I thought maybe the nike website is not working.

I talked to Nike support today and they told me to use different browser and it seemed to work on my MacBook. But Safari still doesn't loads it up the website properly.

The problem is even worse for my iPhone. The webpages doesn't load up on any of the browsers I tried.

Safari, Chrome, Firefox even UC browser. The webpage doesn't load up.

I even tried changing my IP but the problem still persists.

I don't want this thing happening to my other browsers on MacBook too. It took me long to figure out how to make it work.