Selfridges ranks #1 of 22 UK retail sites with a B (85%) quality score vs the 85% category average. 56 issues detected vs 123.7 avg. Biggest competitive gap: Legal issues (1 vs 0.3 avg, +1 above peers). Competitive strengths: fewer issues than avg in UX, Content, A11y.

Strong competitive position. To maintain the lead, address the top remaining issue: "Multiple 403 Errors Prevent Content Loading".