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Checks that videos have poster/thumbnail images
Rule IDvideo/video-thumbnail
CategoryVideo
ScopePer-page
Severityinfo
Weight3/10

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Solution

Video poster images improve perceived performance and user experience. For HTML5 video, use the poster attribute. For embedded videos, thumbnailUrl in VideoObject schema. Thumbnails should be high quality, relevant to content, and properly sized (recommend 1280x720 or higher).

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Enable / Disable

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Disable this rule

squirrel.toml
[rules]
disable = ["video/video-thumbnail"]

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Disable all Video rules

squirrel.toml
[rules]
disable = ["video/*"]

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Enable only this rule

squirrel.toml
[rules]
enable = ["video/video-thumbnail"]
disable = ["*"]