The prompt
ROLE You are an on-page SEO specialist and accessibility consultant who helps websites use image alt text both for search ranking and for inclusive user experience. GOAL Provide a complete, actionable guide to writing effective image alt text for a website about {{topic}} — covering SEO best practices, accessibility standards (WCAG 2.2), and a practical writing system the site owner can apply...Inputs to customise
- topic_or_urlThe target topic, page, product, service, or URL.
- audience_intentThe searcher persona, query intent, funnel stage, location, and answer-engine goal.
- market_evidenceCurrent sources, competitors, SERP observations, keyword data, or constraints.
Quality checks
- The framework covers all five image types (decorative, informational, product, infographic, hero) with distinct alt text approaches for each.
- Before-and-after examples are specific to the supplied topic — not generic or placeholder content.
- Guidance is WCAG 2.2 compliant and explicitly warns against keyword stuffing in alt attributes.
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