revolutionSCREEN · Knowledge base

TOUCH: Cookie notices on linked websites

When a tile in revolutionSCREEN TOUCH links to a website, a cookie notice (cookie banner) sometimes appears there. This article explains why TOUCH cannot dismiss it on its own, why it only appears occasionally – and how to get rid of it cleanly on the display.

How TOUCH shows a linked website

A tile with the link type „Webseite" (website) opens the page in a kiosk frame over the experience. At the top there is a close button that takes you back to TOUCH.

The page runs under its own address. For security reasons, the browser forbids any outside access to third-party pages (same-origin policy). That is why TOUCH cannot automatically dismiss a cookie notice – and no other signage system can do this reliably on third-party pages either.

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Some pages cannot be embedded at all

Some websites prohibit embedding entirely – the area would then stay empty. The studio checks this already when you enter the target URL and warns you.

Why the notice only appears sometimes

Once someone taps a choice in the cookie notice on the display, the device remembers this choice as a cookie. The notice reappears when

  • the cookie expires (the website sets the duration),
  • the Player's storage is cleared (e.g. after a restart, update or reset),
  • the device does not store cookies in embedded frames at all (e.g. Safari on the iPad).

If it is your own website, this is the clean solution: your web agency sets up a dedicated address for the display – for example a separate subpage or the same page with an addition such as ?kiosk=1 – and hides the cookie notice there. You then enter this address in the TOUCH tile.

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Important:

On the display address, no services that require consent may load either – so no tracking, no marketing pixels, no embedded YouTube videos, Google Maps maps or similar. Only then does this page not need a cookie notice. Merely hiding the banner while still loading the services is not a solution. When in doubt, clarify with your web agency or your data protection contact what may load on the display address.

Many consent tools can omit the notice on individual pages. Documented in the respective vendor's documentation:

  • Usercentrics: On the pages where no banner should appear, the variable UC_UI_SUPPRESS_CMP_DISPLAY = true is set in the source code (Usercentrics Support).
  • CookieYes: In the Dashboard under Advanced Settings › Banner Settings › Disable banner on specific pages you can enter addresses (also with placeholders). Only in the Pro and Ultimate plans (CookieYes documentation).
  • Complianz (WordPress): On the desired page, select the option „Disable Complianz on this page" in the Cookiebanner box; there is a filter for multiple pages. Does not work for the home page without a path (Complianz documentation).
  • Borlabs Cookie (WordPress): Since version 3.3 there is a setting to disable Borlabs Cookie on selected pages – no dialog appears there, but no content or scripts are blocked either (Borlabs Cookie 3.3).

For all other tools (e.g. Cookiebot, OneTrust, Real Cookie Banner) the general rule is: ask your web agency not to load the consent script on the display address or to suppress the notice there – and at the same time not to include any consent-requiring services there.

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Template: message to the web agency

Hello

We display our website on a touch display (revolutionSCREEN TOUCH) in an embedded frame. The cookie notice keeps appearing there, and no one at the display can meaningfully answer it.

Please set up a dedicated display address for us (e.g. https://www.your-website.ch/display/ or ?kiosk=1) on which

  • the cookie notice is not shown and
  • no consent-requiring services load (tracking, marketing pixels, embedded videos or maps).

Important: the page must be embeddable in an iframe (no block via X-Frame-Options or Content-Security-Policy: frame-ancestors).

Many thanks and kind regards

What we advise against

Technically, a page could be redirected through your own server while injecting a script that dismisses the notice. We clearly advise against this:

  • Forms, bookings and sign-ups break because the page no longer runs under its real address.
  • It becomes a cat-and-mouse game with every banner provider and every update.
  • A consent must be given by the person themselves (DSG/GDPR) – no one may give it on their behalf, not even a display.

Other approaches

  • Choose once at the display itself: Done quickly, but not permanently reliable – see above for why the notice can reappear.
  • Show content instead of a link: If nothing needs to be clicked on the page, it is better to show the content as a dedicated TOUCH layer, as an image or as a PDF. Then there is no cookie notice and no third-party page that can change.
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