First thing you can try here is loading the page in a private/incognito window. This step makes sure you avoid issues with your browser's cache. If it doesn't do the trick try again in a different browser.
In case you still see no change after trying this, simply restart the network device (router or modem) or check if you observe the same when using a different connection. If it works with another connection, it's best to contact the service provider of the original network for more information.
Hope this helps. Let us know how it goes.
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“Music is the strongest form of magic.” Marilyn Manson