That sounds like either you have an advert blocker extension in your web browser that is blocking the content or a browser setting is blocking the content, as some browsers come with ad blocking built in. Normally you can add a URL to a whitelist in the settings of the extension/browser if you want to prevent blocking.
My setup: V6 TV box, M350 Fibre broadband with Hub 3 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.
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