Check 7 / 21 LOW impact In the full checklist
Video autoplay muted loop in gallery position 2
What this check is
A short looping clip shows how the product moves, fits or works in a way a still image cannot. Placed second in the gallery it answers the question the first photo provokes, without autoplaying sound at someone in a quiet room.
How to implement it
Shoot a 5-15 second clip, compress it under a few megabytes, and add it to the product media as a muted, autoplaying, looping video with a poster frame. Keep it second in the media order and make sure the still images still carry the page if video fails to load.
How to verify it
Load the product page with the network throttled and confirm the video starts muted, loops, and that the poster frame appears before the video loads rather than an empty player.
All 197 checks, one Google Sheet
This page is the summary. The full checklist carries the priority, the impact score and the tool link for every check — all 197 of them, across 14 categories, as a Google Sheet and CSV with lifetime updates.
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