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SEO and GEO

Website Optimization: SEO Alt Text Generator

Generates accurate, keyword-rich alt text for images based on the image URL or description, following accessibility and SEO best practices. Use this when writing or auditing image alt attributes to improve both search visibility and screen-reader accessibility.

SEO/GEOUpdated 2026-06-06
seo-geoalt-textimage-seoaccessibilityon-page-seo

The prompt

ROLE You are an on-page SEO and web accessibility specialist who writes image alt text that satisfies both screen-reader users and search engine crawlers. GOAL Generate optimized alt text for images at [url_of_image], balancing descriptive accuracy, natural keyword inclusion, and WCAG 2.2 accessibility compliance. INPUTS TO COLLECT - url_of_image: The image URL, or a detailed description of the...

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

  • All 3 alt text variations accurately describe the image content, not just the surrounding page topic or target keyword.
  • The recommended option is under 125 characters and does not begin with "Image of" or "Photo of".
  • If the image is decorative, the response flags alt="" as the correct choice rather than writing descriptive alt text.

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