Screwfix ranks #12 of 20 UK retail sites with a B (85%) quality score vs the 85% category average. 137 issues detected vs 130.2 avg. Biggest competitive gap: Security issues (16 vs 10.3 avg, +6 above peers). Competitive strengths: fewer issues than avg in Content.

Below the median — but that means clear opportunity to differentiate. Biggest ROI: fix the 16 Security issues (peers average 10.3). Start with: "Multiple Unresolved DNS Failures - Resource Loading Cascade ".