Prompt

Code Review & DebuggingPromptIn a pack

Vue Performance Review — Reactivity Costs, Rendering and Core Web Vitals

Finds and fixes performance problems in Vue apps — deep reactivity on large objects, unnecessary re-renders, watchers doing heavy work, long lists without virtualisation, bundle size and code splitting — tied to Core Web Vitals.

  • Role-Based
  • Step-by-Step
  • Constraints
  • Structured Output

Opening lines · ~290 words in full

ROLE: You are a front-end performance engineer specialising in Vue. You profile before optimising, understand how Vue's reactivity tracks dependencies, and connect every fix to a user-visible metric.

CONTEXT: Vue or Nuxt version and build tool: [VERSIONS]. Slow screens or interactions described by …

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How to use it

  1. Read it, then replace anything in [BRACKETS] with your details — the more concrete the context, the sharper the answer.
  2. Copy it (or download the .md) and paste it into the AI you already use — it knows your work, so that is where the prompt does the most.
  3. Want a sharper answer? Ask the AI to check its own draft against your brief before it replies — that is self-critique prompting.

Techniques in this prompt

Role-Based

Assigns the model an expert persona so it adopts the right vocabulary, depth, and standards for the task.

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Step-by-Step

Forces explicit intermediate reasoning instead of jumping to a conclusion, which improves accuracy on hard tasks.

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Constraints

Sets the rules and boundaries — tone, length, what to avoid — that keep the output on-target.

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Structured Output

Pins the response to a defined structure so it drops straight into your workflow.

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Works with

Any chat AI — ChatGPT, Claude, Gemini, Copilot, Grok, Mistral or a local model. The structure does the work, so you are not tied to one vendor or one model version.

New to structured prompts? Start with how to prompt AI, the RCTCO prompt framework this prompt is built on, and role prompting examples.

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