eBay UK ranks #19 of 20 UK retail sites with a B (83%) quality score vs the 85% category average. 160 issues detected vs 130.2 avg. Biggest competitive gap: Security issues (22 vs 10.3 avg, +12 above peers).

Below the median — but that means clear opportunity to differentiate. Biggest ROI: fix the 22 Security issues (peers average 10.3). Start with: "Multiple images with empty alt text lack meaningful descript".