Purdue University Online Writing Lab (OWL)

200 OK StatusAuto-Passed

Primary website is live, secure (HTTPS), and free of malware.

Domain AgeAuto-Passed

Real-world domain age (≥1 yr, verified via the Wayback Machine) OR pre-migration legacy ID OR ≥2 years of platform tenure. Survival across multiple search-engine update cycles is itself a trust signal.

Schema ValidationAuto-Passed

Valid Organization / ProfessionalService JSON-LD emitted on every page load — checked at render time.

Citation ClarityPending Manual Review

Verified outbound links to at least two authoritative sources (social profiles, sameAs URLs).

Operational HistoryAuto-Passed

Minimum 12-month active history in the claimed industry — derived from the business's founding year, Wayback-verified domain age, or listing tenure (any one signal passes).

Entity RegistrationPending Manual Review

Cross-referenced with official state or country business registries.

Physical FootprintData Incomplete

Verified non-virtual presence via Google Maps or official lease documentation.

Active LeadershipData Incomplete

Confirmation of key team members and executive roles.

NAP ConsistencyData Incomplete

Verified match of Name, Address, and Phone data across platforms.

Professional LicensingPending Manual Review

Verification of required industry-specific certifications or licenses.

Sentiment AuditPending Manual Review

Manual review of third-party reputation signals (BBB, Trustpilot, etc.).

Editorial DiscretionPending Manual Review

Final human review to ensure the business provides genuine value.