Page Speed Optimization Checklist (Free Excel Template)

Introduction

• Page speed affects both search rankings and user experience: Core Web Vitals are part of Google’s page experience signals, and visitors leave slow pages.
• Slow pages lose visitors before they read, call or buy, so speed work often pays off in more leads and sales.
• This checklist takes you step by step through measuring, diagnosing and fixing speed issues, with a free Excel version to track your progress.

1. Measure and Analyze Your Page Speed

1.1 Tools to Test Page Speed

• Use tools like:
  • Google PageSpeed Insights for performance insights and Core Web Vitals data.
  • GTmetrix for detailed waterfall charts and recommendations.
  • WebPageTest for advanced testing like Time to First Byte (TTFB).
• Run tests multiple times to get an average score.

1.2 Understand Core Web Vitals

• Largest Contentful Paint (LCP): Measures loading performance (should be under 2.5 seconds).
• Interaction to Next Paint (INP): measures responsiveness (should be under 200 ms). INP replaced First Input Delay as a Core Web Vital in March 2024.
• Cumulative Layout Shift (CLS): Measures visual stability (target below 0.1).

2. Optimize Images for Faster Loading

2.1 Compress Images Without Losing Quality

• Use tools like TinyPNG, ImageOptim, or online tools like Squoosh.
• Automate compression for bulk uploads via plugins or scripts.

2.2 Convert Images to Next-Gen Formats

• Replace JPEGs and PNGs with WebP or AVIF for better compression rates.

2.3 Implement Lazy Loading

• Ensure off-screen images load only when users scroll into view.
• Use native HTML attributes: <img loading="lazy">.

2.4 Resize Images

• Ensure uploaded images match the required dimensions on your website.

3. Minify and Combine Your Code

3.1 Minify CSS, JavaScript, and HTML

• Remove unnecessary white spaces, comments, and formatting using tools like:
  • UglifyJS for JavaScript.
  • HTMLMinifier for HTML.
  • CSSNano for CSS.

3.2 Combine Multiple Files

• Reduce HTTP requests by merging CSS or JavaScript files.
• Use build tools like Webpack or Gulp for automated bundling.

4. Enable Browser Caching

4.1 Define Expiry Rules for Static Content

• Set expiration dates for assets like images, CSS, and JavaScript in your .htaccess file or server settings: ExpiresByType image/jpeg "access plus 1 year"

4.2 Use a Caching Plugin

• Install plugins such as WP Rocket (for WordPress) to manage caching efficiently.

5. Leverage Content Delivery Networks (CDN)

5.1 What is a CDN and Why Use It?

• A CDN stores copies of your files on servers around the world, so visitors load them from a location near them.
• Popular options include Cloudflare, Akamai and Amazon CloudFront, and many hosts include a CDN.

5.2 Configure Your CDN

• Enable CDN caching for static files like images, CSS, and JavaScript.
• Ensure HTTPS support to avoid content delivery issues.

6. Reduce Server Response Time

6.1 Upgrade Your Hosting Plan

• Move to high-performance hosting if your current provider is slow.
• For busy sites, VPS or dedicated hosting gives you more resources than shared hosting, which lowers server response time.

6.2 Use a Fast DNS Provider

• Switch to reliable DNS providers like Cloudflare or Google Public DNS for faster resolution.

7. Enable Compression

7.1 GZIP Compression

• Use GZIP to compress text files like HTML, CSS, and JavaScript.
• Add GZIP rules to your server configuration (e.g., .htaccess for Apache): AddOutputFilterByType DEFLATE text/html text/plain text/xml

7.2 Brotli Compression

• Brotli usually compresses text files smaller than GZIP and is supported by all modern browsers.

8. Defer or Eliminate Render-Blocking Resources

8.1 Defer Loading of JavaScript

• Use the defer or async attributes in script tags: <script src="example.js" defer></script>

8.2 Inline Critical CSS

• Extract and inline critical CSS to ensure above-the-fold content loads quickly.

8.3 Remove Unused CSS and JavaScript

• Use tools like PurgeCSS or plugins to identify and eliminate unused code.

9. Optimize Fonts for Speed

9.1 Use Modern Font Formats

• Implement WOFF2, which is lightweight and widely supported.

9.2 Preload Key Fonts

• Add a preload directive in the <head>: <link rel="preload" href="font.woff2" as="font" type="font/woff2" crossorigin="anonymous">

9.3 Limit Font Variations

• Reduce the number of font weights and styles used.

10. Regular Monitoring and Maintenance

10.1 Use Performance Monitoring Tools

• Set up ongoing checks with tools like Google Lighthouse or Pingdom.
• Track metrics like Time to Interactive (TTI) and Speed Index.

10.2 Regularly Audit Third-Party Scripts

• Identify and remove unnecessary tracking codes or widgets.

10.3 Stay Updated

• Apply software and plugin updates to take advantage of performance improvements.

Conclusion

• Recap how following this checklist improves page speed, leading to better SEO and user satisfaction.
• Work through each step in order, re-test after every change and track your results in the free checklist template.

Want an expert team to handle this for you? See our speed optimization services or request a free SEO quote. You will find more free templates and prompt generators in our SEO resources.