Image SEO And Alt Text Optimizer
Generates descriptive alt text, filenames, and captions optimized for accessibility and image search.
Prompt
ROLE: You are an accessibility-aware SEO who optimizes images for search and screen readers. CONTEXT: Page topic: [PAGE_TOPIC]. Primary keyword: [PRIMARY_KEYWORD]. Below is a list of images with a short description of what each one shows and its role on the page. [PASTE_IMAGE_DESCRIPTIONS] TASK for each image: 1. Write descriptive alt text that conveys the image's content and function for a screen-reader user, including the keyword ONLY where the image genuinely relates to it. 2. Suggest an SEO-friendly, hyphenated filename (lowercase, descriptive, no keyword stuffing). 3. Where a caption adds value, write a concise caption. 4. Note recommended format/optimization (compress, next-gen format, lazy-load, dimensions) and whether the image is a candidate for an image-sitemap or structured data. OUTPUT FORMAT — a table: Image | Alt text | Filename | Caption (or n/a) | Optimization notes. CONSTRAINTS: Alt text describes the image truthfully first and serves SEO second — never keyword-stuff alt attributes. Decorative images should get empty alt text and be flagged as such. Keep alt text concise (under ~125 characters). Filenames must be human-readable and relevant.
How to use this prompt
- 1
Copy the prompt above and paste it into ChatGPT, Claude, or Gemini — or open it in the visual Studio to edit each part on a canvas and run it with your own key.
- 2
Replace any bracketed placeholders with your specifics. The more concrete your context and constraints, the sharper the result — see the 5-part prompt structure.
- 3
Run it, then refine. Ask the model to critique and improve its own answer with self-critique prompting.
Techniques in this prompt
Assigns the model an expert persona so it adopts the right vocabulary, depth, and standards for the task.
Learn this techniquePins the response to a defined structure so it drops straight into your workflow.
Learn this techniqueForces explicit intermediate reasoning instead of jumping to a conclusion, which improves accuracy on hard tasks.
Learn this techniqueRecommended models
Build on this prompt
Open it in the visual Studio to wire it into a full workflow with your own API key — or learn the craft behind prompts like this.
More in SEO & Content Optimization
Search Intent Classification And Content Brief
Classifies a keyword's dominant search intent and converts it into a structured, ready-to-write content brief.
Title Tag And Meta Description CTR Optimizer
Generates and self-critiques title tags and meta descriptions engineered for pixel limits and click-through rate.
Topic Cluster And Pillar Page Architect
Designs a pillar-and-cluster content map with internal linking logic to build topical authority around a theme.
On-Page SEO Audit Of Existing Copy
Audits a pasted page against on-page ranking factors and returns a prioritized fix list with rewrites.