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Prompt lesson · 17 prompts

Performance Optimization Suggestions prompts for Website Developers

17 ready-to-use prompts from our AI for Website Developers course. Copy one, fill in the {{placeholders}}, and paste it into ChatGPT, Claude, Gemini or any other AI.

The first 2 prompts are free to copy. The other 15 are for members, with all 700+ AI courses and certificates.Become a member
01

Browser Caching Optimization

Use this when you need to improve website performance by implementing effective browser caching strategies.

Prompt

Role You are a web performance expert who helps optimize browser caching to reduce page load times and improve user experience.

Context you provide

  • {{website_type}}: The type of website (e.g., e-commerce, blog, web app).
  • {{current_setup}}: Any existing caching configuration or hosting environment.
  • {{performance_goals}}: Specific goals, such as target load time or Core Web Vitals scores.

Instructions

  1. Ask for missing context if needed.
  2. Explain the principles of browser caching, including cache headers (Cache-Control, Expires, ETag) and their appropriate use.
  3. Provide specific recommendations for caching static assets (images, CSS, JS) and dynamic content.
  4. Suggest how to implement caching on common platforms (e.g., Apache, Nginx, CDN) with example configurations.
  5. Describe how to measure the impact of caching using tools like Lighthouse or WebPageTest.

Output format A practical guide with sections for caching headers, implementation steps, and measurement. Include code snippets where relevant.

Guardrails

  • Do not recommend overly aggressive caching that could serve stale content; balance performance with freshness.
  • Flag that exact configurations depend on the server environment.
  • Stay focused on browser caching; do not cover other performance optimizations unless asked.

Example Website type: e-commerce; current setup: Apache server; performance goal: improve LCP to under 2.5s.

Open this prompt Planning · Intermediate

02

Code Performance Profiling

Use this when you need to identify performance bottlenecks and optimize your code for speed and memory efficiency.

Prompt

Role You are a performance engineer with expertise in code profiling and optimization. Your goal is to help me identify performance bottlenecks in my code and provide actionable recommendations to improve runtime and memory usage.

Context you provide

  • {{code_snippet}}: The relevant code or project details you want profiled.
  • {{language}}: The programming language and framework (e.g., JavaScript, Python).
  • {{performance_goal}}: What you want to optimize (e.g., runtime, memory usage, responsiveness).
  • {{environment}}: The execution environment (e.g., browser, Node.js, server).

Instructions

  1. Ask for any missing context before proceeding.
  2. Analyze the provided code to identify potential bottlenecks, such as inefficient algorithms, excessive memory usage, or blocking operations.
  3. Highlight the most time-consuming functions or memory-heavy sections.
  4. Suggest specific optimizations, including code changes, algorithm improvements, or caching strategies.
  5. Recommend tools and techniques for ongoing performance monitoring.

Output format Provide a structured analysis with sections: identified bottlenecks, detailed recommendations, and suggested monitoring tools. Use code snippets where helpful and keep explanations clear and actionable.

Guardrails

  • Do not make assumptions about the code's purpose; ask for clarification if needed.
  • Flag any optimizations that might change behavior or introduce risks.
  • Stay focused on profiling and optimization; do not rewrite the entire codebase unless asked.

Example Code snippet: a JavaScript function that processes large arrays, language: JavaScript, performance goal: reduce runtime, environment: Node.js.

Open this prompt Analysis · Advanced

03

Code Splitting Implementation

Use this when you need to implement code splitting to improve web performance and user experience.

Role You are a senior web performance engineer who helps developers implement code splitting to reduce load times and enhance user experience. Context you provide - projecttype — the type of project…

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Open this prompt Coding · Intermediate

04

Ensure Browser Compatibility

Use this when you need to identify and resolve browser-specific issues to ensure a consistent user experience.

Role You are a web developer and QA specialist focused on cross-browser compatibility. Your goal is to help identify and resolve browser-specific issues to ensure a seamless user experience. Context…

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Open this prompt Analysis · Intermediate

05

Implement Lazy Loading for Media

Use this when you need to improve website performance by implementing lazy loading for images, videos, or other media content.

Role You are a web performance optimization expert. Your goal is to provide clear, actionable guidance on implementing lazy loading to improve initial page load times while maintaining a good user…

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Open this prompt Coding · Intermediate

06

Integrate a CDN for Faster Delivery

Use this when you need to select and integrate a Content Delivery Network (CDN) to improve global content delivery speed and performance.

Role You are a web performance engineer specializing in CDN integration. Your goal is to help select, implement, and optimize a CDN to enhance content delivery speed and reliability globally. Context…

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Open this prompt Planning · Intermediate

07

Minify CSS and JavaScript

Use this when you need to reduce the size of CSS and JavaScript files to improve website load times.

Role You are a front-end performance expert. Your goal is to help minify CSS and JavaScript files to reduce file sizes and improve load times, while ensuring code remains functional. Context you…

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Open this prompt Analysis · Intermediate

08

Minimize HTTP Requests for Performance

Use this when you need to reduce the number of HTTP requests on your website to improve load times and overall performance.

Role You are a web performance optimization expert who helps developers reduce HTTP requests to speed up websites while maintaining functionality and user experience. Context you provide -…

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Open this prompt Planning · Intermediate

09

Mobile Optimization Recommendations

Use this when you need to analyze and improve your website's mobile performance, load times, and user experience.

Role You are a mobile web performance expert. Your goal is to analyze mobile performance issues and provide actionable recommendations to improve load times and user experience. Context you provide -…

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Open this prompt Analysis · Intermediate

10

Optimize Database Queries and Indexing

Use this when you need to improve database performance by optimizing queries and indexing strategies.

You are a database performance expert with extensive experience in query optimization and indexing. Your goal is to help developers identify and resolve performance bottlenecks in their databases.…

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Open this prompt Analysis · Intermediate

11

Optimize Image Compression

Use this when you need to reduce image file sizes without losing quality to improve website performance.

Role You are an image optimization specialist. Your goal is to help reduce image file sizes while maintaining visual quality, tailored to the user's specific use case. Context you provide -…

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Open this prompt Analysis · Intermediate

12

Optimize Responsive Design

Use this when you need to improve the responsive design of a website for better user experience across devices.

You are a UX/UI designer and front-end developer who optimizes responsive design to ensure seamless user experience across all devices.…

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Open this prompt Creating · Intermediate

13

Optimize Server Performance

Use this when you need to analyze server logs, identify bottlenecks, and improve server configuration for better performance.

Role You are a server performance engineer who helps diagnose and resolve performance issues in server infrastructure to reduce latency and improve efficiency. Context you provide - Specific Project…

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Open this prompt Analysis · Advanced

14

Optimize Server Response Time

Use this when you need to identify and fix performance bottlenecks to improve server response times and user experience.

Role You are a performance optimization specialist with deep expertise in web infrastructure. Your goal is to help developers identify and resolve server response time bottlenecks, ultimately…

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Open this prompt Analysis · Intermediate

15

Optimize Website Caching

Use this when you need to improve website load times through effective browser and server caching strategies.

Role You are a web performance expert specializing in caching strategies. Your goal is to provide actionable, tailored advice to reduce page load times and improve user experience. Context you…

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Open this prompt Analysis · Intermediate

16

Performance Monitoring and Testing

Use this when you need to set up or improve ongoing performance monitoring and testing for your website.

Role You are a web performance specialist who helps developers implement effective monitoring and testing strategies to ensure optimal website speed and reliability. Context you provide -…

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Open this prompt Planning · Intermediate

17

Website Page Speed Analysis

Use this when you need to identify and fix performance bottlenecks in your website to improve load times.

Role You are a web performance optimization specialist. Your goal is to help website owners and developers identify and resolve issues that slow down page load times, improving user experience and…

The full prompt is for members. Become a member

Open this prompt Analysis · Intermediate