Listing Data & Schema Audit

Quality hardening: enumeration language, numeric thresholds, cross-references, negative guardrails, measurement-on-pass, and quoting patterns across all 20 checks. Manifest tolerances tightened to exact.

2026-04-02

Added chunked format for browser-based tools

2026-03-01

Improved json-ld-valid check definition: explicitly documents that JSON-LD must be in script text content (not HTML data attributes like data-json/data-schema), adds the correct Next.js script injection pattern, and adds data-attribute-only storage as a fail criterion.

2026-03-01

Fixed severity_band_critical violation (51.3% > 50%): downgraded verification-timestamp from critical to high, downgraded opening-hours from high to low. Critical band now 43.5%, warning 47.8%, info 8.7%.

2026-03-01

Hardened curl commands with -sS -L flags for redirect following and error visibility. Added response validation guidance to Step 3.

2026-02-23

Fixed data-freshness checks_total (3→2), updated prompt_hash, URL canonicalization

2026-02-23

Fixed invalid prompt_hash — replaced placeholder/non-hex value with actual SHA-256 digest of prompt content

2026-02-23

Fixed severity band violations: downgraded image-optimization from critical to high; downgraded description-rendering, multi-value-arrays, closed-listing-handling from medium to low. Added missing opening-hours check to telemetry template.

2026-02-21

Initial release

2026-02-21