Web browsers cache the visits to webpages and save the content, so you may be viewing a saved version of the page.
To see an updated version, you need to clear your browser's cache.
Here is a great link to tell you how to clear the cache for you particular browser:
https://www.lifewire.com/how-to-clear-cache-2617980
Refresh your cache
https://www.refreshyourcache.com/en/home/
Mobile devices cache websites too, they need to have their browser cache cleared as well
Note: Sometimes you computer or device caches the location and information about websites in certain files. Sometimes this requires a complete shutdown of your device.
If you suspect this is the case, close all your applications after saving all your work, close all your windows and quit all applications. Completely shut off your device and wait at least 5 minutes before turning it back on.
Tip: You can set your browser to clear its cache when you close it. This way you can start fresh and be sure you are seeing updated content all the time.
If you are seeing your old site, or not the correct site, you may have to clear your local DNS cache. Here is a couple links:
https://www.pcmag.com/how-to/how-to-flush-your-dns-cache
https://dnschecker.org/flush-dns.php