UPRS is Utiliy’s open, versioned rule set for scoring live product detail pages across six visibility pillars. It is the measurement standard behind the PDP Index and every Utiliy audit.

• Version: 1.0.0
• Machine-readable: uprs.json
• Reference implementation: Utiliy AI lab

Pillars

ID	Pillar	Description
google_seo	Google SEO	Title, meta, headings, canonical, indexability, thin content
ai_visibility	AI visibility	Facts shopping agents need — brand, SKU, price, availability, specs
content	Content	Product copy depth and decision evidence
keywords	Keywords	Title/H1/body alignment
images	Images	Gallery coverage and alt text
schema	Schema	Product JSON-LD and Offer completeness

Rule registry (v1.0.0)

Rule ID	Pillar	Severity	Title
U-SCH-001	schema	critical	Product JSON-LD missing
U-SCH-002	schema	high	Open Graph only — no Product JSON-LD
U-SCH-011	schema	high	Offer block missing
U-SCH-012	schema	high	Incomplete Offer (price, currency, availability)
U-SEO-010	google_seo	critical	Missing title tag
U-SEO-020	google_seo	high	Missing meta description
U-SEO-030	google_seo	high	Missing H1
U-SEO-050	google_seo	high	Thin product content
U-TEC-010	google_seo	critical	Bot-blocked storefront
U-CNT-010	content	high	Missing core product fact
U-CNT-020	content	medium	Missing decision evidence (specs, shipping, returns)
U-IMG-001	images	high	Image accessibility or quality issue
U-AI-001	ai_visibility	high	Low AI shopping readiness composite

Full rule list with analyzer code mappings: uprs.json (1.0.0).

Implementing UPRS

Third-party tools may implement UPRS rules and cite the spec URL. The canonical reference implementation is Utiliy’s audit engine. When publishing comparative benchmarks, disclose UPRS version and link to this page.

Changelog

1.0.0 (2026-03-01)

• Initial public release aligned with Utiliy six-pillar visibility model.
• Stable rule IDs for schema, SEO, content, images, technical, and AI readiness checks.