Check 8 / 9 LOW impact In the full checklist
Average rating in header + cart + footer
What this check is
Trust signals work by repetition in the places where doubt appears. The aggregate rating in the header, the cart and the footer keeps the proof present without a dedicated section.
How to implement it
Render the aggregate rating from the review platform in the header area or the announcement bar, in the cart near the checkout button and in the footer, linking to the reviews. Keep the number identical everywhere and update it on a schedule.
How to verify it
Compare the figure in all three placements with the review platform aggregate in the same session; a mismatch means at least one is hardcoded or cached.
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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