13 of 13 audited online stores fail: Structured errors returned in machine-readable format for agent flows

Across the UXFix benchmark corpus, 13 of the 13 stores this check could be judged on fail it, 0 pass it partly and 0 pass. As of 8 September 2026. Every failing store links to its full audit.

The stores this check caught

Newest audit first. Each link opens the store's full case study, where this finding appears with its captured screen.

This is one of the 115 rules every UXFix audit runs. Check your own store against it free, in about four minutes, or read the full benchmark.