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SEO & Marketing #seo prompt#marketing prompt#content strategy

Email Subject Line Tester Prompt

Copy-paste this seo & marketing prompt to generate email subject line tester. Works with ChatGPT, Claude, Gemini, perplexity and more.

Works with: ChatGPT Claude Gemini Perplexity DeepSeek Kimi Copy.ai Jasper
Full prompt 
Act as a specialized AI assistant. Act as a senior [ROLE] for [INDUSTRY]. Analyze [TOPIC/COMPETITOR] and create a [DELIVERABLE] that targets [AUDIENCE] and primary keyword "[KEYWORD]". Include actionable steps, examples, and metrics to track.

How to use this prompt

  1. Copy the full prompt above.
  2. Open your preferred AI tool (ChatGPT, Claude, Gemini, DeepSeek, Kimi, etc.).
  3. Replace every bracketed placeholder such as [TOPIC], [AUDIENCE], or [TONE] with your own details.
  4. Paste the customized prompt and run it.
  5. Iterate on the output by adding constraints or examples.

Why this prompt works

It grounds the AI in a target audience, keyword, and deliverable, making the output actionable and search-intent driven.

Frequently asked questions

Which AI tools work with this seo & marketing prompt?

This prompt works in ChatGPT, Claude, Gemini, DeepSeek, Kimi and other compatible AI assistants. Just replace the bracketed placeholders before pasting.

How do I customize this prompt for my project?

Replace every placeholder like [TOPIC], [AUDIENCE], or [TONE] with your own details. The more specific your inputs, the more useful the AI output will be.