{"id":"ONP-008","area":"On-page and Search Appearance","title":"Describe meaningful images","if":"an image communicates information or functions as a link/control","then":"provide appropriate descriptive alternative text","else":"use empty alternative text for purely decorative images","operators":["IF","OR","THEN","ELSE"],"laka_levels":["Minor","Structural"],"primary_metric":"accessible-media coverage","guardrails":"redundant alt text","rationale":"Makes the decision explicit, measurable, and reversible where possible.","prefix":"ONP","area_slug":"on-page-and-search-appearance","source":{"document":"04","file":"04-IF-ELSE-AND-OR-RULEBOOK.md","heading":"ONP-008 — Describe meaningful images","anchor":"onp-008-describe-meaningful-images"},"sentence":"IF an image communicates information or functions as a link/control THEN provide appropriate descriptive alternative text ELSE use empty alternative text for purely decorative images","area_detail":{"name":"On-page and Search Appearance","slug":"on-page-and-search-appearance","prefix":"ONP","count":12},"governs_gates":[],"precedence":["safety_law_privacy_policy","user_value_and_accuracy","technical_eligibility_and_canonical_correctness","business_value_and_constraints","intent_fit_and_information_quality","measurement_and_learning","efficiency_and_scale","cosmetic_optimization"],"neighbours":["ONP-001","ONP-002","ONP-003","ONP-004","ONP-005","ONP-006","ONP-007","ONP-009","ONP-010","ONP-011","ONP-012"],"levels":[{"id":"minor","name":"Minor","definition":"Surface elements change while the object and mechanism stay mostly stable.","examples":["Examples:","title wording","meta description","opening answer","anchor text","image compression","small internal-link addition","CTA wording"],"rule_count":29,"source":{"document":"01","file":"01-SEO-LAKA-GRAMMAR.md","heading":"10.2 Minor change"}},{"id":"structural","name":"Structural","definition":"Relationships, architecture, ownership, or workflow change.","examples":["Examples:","merge cannibalizing pages","redesign cluster architecture","change templates","repair faceted navigation","move from isolated pages to a hub graph","connect CRM value data to SEO reporting"],"rule_count":62,"source":{"document":"01","file":"01-SEO-LAKA-GRAMMAR.md","heading":"10.4 Structural change"}}]}