How do I fix the VPAID error "VPAID-width-height-missing"?

Add width and height attributes to the VPAID element matching the intended ad unit dimensions in pixels.

VPAID-width-height-missing

Q: What does "VPAID missing width or height attribute" mean in a VAST tag?

A VPAID is missing the width or height attribute (or both). VPAID 2.0 requires these attributes so the player knows how much space to allocate for the ad unit before it initialises. Without them, players may render the unit at the wrong size, behind other elements, or not at all. This is separate from the deprecation issue — it is a spec violation on any VAST version.

VPAID <MediaFile> missing width or height attribute

WarningAttributesIAB VPAID 2.0 §3.1, VAST 2.0 §3.9

A VPAID is missing the or attribute (or both). VPAID 2.0 requires these attributes so the player knows how much space to allocate for the ad unit before it initialises. Without them, players may render the unit at the wrong size, behind other elements, or not at all. This is separate from the deprecation issue — it is a spec violation on any VAST version.

How to fix

Add width and height attributes to the VPAID <MediaFile> element matching the intended ad unit dimensions in pixels.

Invalid

<MediaFile delivery="progressive" type="application/javascript"
           apiFramework="VPAID">
  <![CDATA[https://example.com/vpaid.js]]>
</MediaFile>

Valid

<MediaFile delivery="progressive" type="application/javascript"
           apiFramework="VPAID" width="1280" height="720">
  <![CDATA[https://example.com/vpaid.js]]>
</MediaFile>

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Other Attributes rules

VPAID-type-invalidVPAID <MediaFile> type must be application/javascript or application/x-javascript VPAID-apiframework-casingapiFramework value is not the canonical "VPAID" (wrong case)

← All VPAID rules SIMID rules (migration target) →