What Is SKU in Product Schema?
Learn how SKU identifies merchant products and variants, including format rules, GTIN and MPN differences, uniqueness, common errors and practical audit steps.
Glossary pages, entity hubs, and SEO playbooks.
Learn how SKU identifies merchant products and variants, including format rules, GTIN and MPN differences, uniqueness, common errors and practical audit steps.
Learn how GTIN-8, GTIN-12, GTIN-13 and GTIN-14 identify products in structured data, including variants, validation, SKU differences, errors and audit steps.
Learn how Education Q&A Schema uses Quiz, Question, Answer and Flashcard properties, including eligibility, educational alignment, examples and audit steps.
Learn how Movie and ItemList schema create eligible movie carousels using accurate titles, poster images, directors, release dates, ratings, reviews and URLs.
Learn how Recipe schema marks up ingredients, instructions, cooking times, yield, nutrition, images, ratings and videos for eligible recipe search results.
Learn how OrganizationRole schema models member, alumni, and team roles with roleName, dates, numberedPosition, JSON-LD patterns, audits, errors, and fixes.
Learn how membershipNumber schema works on ProgramMembership, when to omit identifiers, and how to audit JSON-LD, templates, analytics, logs, and account pages.
Learn how ShippingDeliveryTime schema models handling time, transit time, business days, cutoff times, delivery ranges, time zones, holidays, and shipping ETAs.
Learn how numItems models quantity-based shipping rules with QuantitativeValue, minValue, maxValue, bundles, line items, boundaries, audits, and SEO fixes.
Learn how weight models shipping thresholds with Mass or QuantitativeValue, LBR and KGM units, min/max ranges, dimensional weight, freight, audits, and fixes.
Speed Index measures visual progress across page-load frames. Learn its ranges, calculation, related metrics, causes and fixes.
Learn how roleName schema labels Role, OrganizationRole, and EmployeeRole with Text or URL values, plus naming rules, migration, audits, errors, and fixes.
Understand membershipPointsEarned schema with Number, QuantitativeValue, unitText, earning rules, multipliers, refunds, loyalty audits, and practical fixes.
Learn how the program Schema.org property connects ProgramMembership to MemberProgram, with JSON-LD patterns, privacy rules, audits, errors, and fixes.
Learn how EmployeeRole schema models roleName, startDate, endDate, baseSalary, and salaryCurrency, with patterns, privacy controls, audits, errors, and fixes.
Learn how affiliation schema connects Person to Organization, when to use memberOf, worksFor, or alumniOf instead, with privacy, audits, errors, and fixes.
Learn how MonetaryAmount models shipping costs and order-value ranges, including value, minValue, maxValue, currency, free shipping, thresholds, and errors.