Why a Good Score in Google PageSpeed Insights is Crucial for Your Website

Why a Good Score in Google PageSpeed Insights is Crucial for Your Website

In today's fast-paced digital world, where user attention spans are shorter than ever, ensuring your website is quick and efficient is more critical than ever. A key metric in this endeavour is your website's Google PageSpeed Insights score. Here's why a good score is not just a technical nicety but a vital component for your website's success and organic search engine optimisation (SEO).

What is Google PageSpeed Insights?

Google PageSpeed Insights (PSI) is a tool developed by Google to help webmasters and business owners analyse their website's performance. It provides a detailed report on both the desktop and mobile versions of a site, offering insights into various performance metrics and suggesting improvements. The PSI score ranges from 0 to 100, with higher scores indicating better performance.

The Impact of Page Speed on User Experience

1. Faster Load Times

Web users expect websites to load quickly. Research shows that most users will abandon a website if it takes longer than three seconds to load. A high PageSpeed score means faster load times, leading to a better user experience. This can reduce bounce rates and increase the time users spend on your site.

2. Improved User Engagement

A fast-loading website allows users to interact with your content more seamlessly. Whether they are navigating through different pages, watching videos, or filling out forms, a quick and responsive website keeps users engaged and satisfied.

Page Speed and Organic SEO

1. Search Engine Rankings

Google has made it clear that page speed is a ranking factor in its search algorithm. Websites with faster load times are more likely to rank higher in search results. This is because Google aims to provide its users with the best possible experience, and a slow website does not align with this goal. A higher PageSpeed score can therefore contribute to better visibility in search engine results pages (SERPs).

2. Mobile Optimisation

With the majority of web traffic now coming from mobile devices, Google has prioritised mobile-first indexing. This means Google predominantly uses the mobile version of the content for indexing and ranking. A good mobile PageSpeed score ensures that your website is optimised for mobile users, which is essential for maintaining and improving your search rankings.

The Business Benefits

1. Higher Conversion Rates

A fast website can lead to higher conversion rates. Whether your goal is to sell products, generate leads, or encourage sign-ups, a swift user experience makes it easier for visitors to take the desired action. This can significantly impact your bottom line.

2. Competitive Advantage

In a competitive market, every advantage counts. A website that loads faster than your competitors can be a deciding factor for users choosing between similar services or products. A high PageSpeed score sets you apart and positions your brand as user-friendly and efficient.

How to Improve Your Google PageSpeed Score

1. Image Optimisation

  • Compression: Use tools like TinyPNG, JPEG Optimizer, or ImageOptim to reduce image file sizes without losing quality (or better yet - have the CMS auto optimise all uploaded images for you!)
  • Responsive Images: Implement the 'srcset' attribute to serve different image sizes based on the user’s device and screen resolution.
  • Next-Gen Formats: Use next-gen image formats like WebP, which provide better compression than traditional formats like JPEG and PNG.

2. Minimise and Combine Files

  • CSS and JavaScript Minification: Remove unnecessary characters (like whitespace and comments) from CSS and JavaScript files using tools like UglifyJS, Terser, or CSSNano.
  • File Concatenation: Combine multiple CSS and JavaScript files into one to reduce the number of HTTP requests. This can be done using build tools like Webpack or Gulp.

3. Defer and Async Loading

  • JavaScript Loading: Use the defer and async attributes to prevent JavaScript from blocking the rendering of the page. This ensures the content is loaded first, improving perceived load time.
  • CSS Splitting: Split critical CSS (CSS required for above-the-fold content) and load it inline while deferring the loading of non-critical CSS.

4. Enable Browser Caching

  • Cache Control Headers: Set appropriate Cache-Control headers to specify how long browsers should cache resources. Use tools like Apache’s .htaccess file or Nginx configuration to set these headers.
  • Service Workers: Implement service workers to cache assets and serve them directly from the cache, reducing load times for repeat visitors.

5. Content Delivery Network (CDN)

  • Use a CDN: Distribute your website's static content across a CDN like Cloudflare, Akamai, or Amazon CloudFront to ensure that users can download files from servers that are geographically closer to them, reducing latency.

6. Server-Side Optimisations

  • HTTP/2: Ensure your server supports HTTP/2, which allows multiplexing, header compression, and prioritised resource loading, resulting in faster page loads.
  • GZIP/Brotli Compression: Enable GZIP or Brotli compression on your server to reduce the size of your HTML, CSS, and JavaScript files before they are sent to the browser.

7. Reduce Server Response Time

  • Optimise Database Queries: Review and optimise your database queries to reduce load times. Use indexing and avoid unnecessary queries.
  • Use a Faster Web Host: Consider upgrading your hosting plan or switching to a host that offers better performance, such as a VPS or dedicated server.

8. Lazy Loading

  • Images and Videos: Implement lazy loading for images and videos so they load only when they come into the viewport. This reduces initial load times and saves bandwidth.
  • Iframes: Lazy load iframes, such as embedded YouTube videos, to improve page load speed.

9. Reduce Third-Party Scripts

  • Audit Third-Party Scripts: Regularly audit and remove unnecessary third-party scripts (e.g., ad networks, analytics, social media widgets) that can slow down your website.
  • Optimise Remaining Scripts: Where possible, load third-party scripts asynchronously or defer their loading to ensure they don’t block the rendering of your page.

10. Optimise Fonts

  • Font Loading: Use font-display: swap in your CSS to ensure text is displayed immediately using a fallback font until the custom font loads.
  • Subset Fonts: Use only the characters needed for your website by subsetting fonts. Tools like Google Fonts and Font Squirrel can help with this.

11. Eliminate Render-Blocking Resources

  • Critical CSS: Extract and inline critical CSS directly into the HTML to ensure above-the-fold content renders quickly.
  • Load CSS and JavaScript Asynchronously: Use techniques to load CSS and JavaScript files asynchronously to prevent them from blocking the initial render of the page.

12. Advanced Caching Techniques

  • Edge Caching: Utilise edge caching with your CDN to store copies of your pages closer to users, further reducing load times.
  • Dynamic Caching: Implement dynamic caching for frequently accessed pages or data that don’t change often, using tools like Varnish or Redis.


A good Google PageSpeed Insights score is more than just a vanity metric; it is a crucial factor in your website’s overall success. It directly impacts user experience, SEO rankings, and your business’s ability to convert visitors into customers. By focusing on improving your PageSpeed score, you invest in a faster, more efficient website that stands out in search engine rankings and provides a superior experience for your users.

If you need assistance in optimising your website's speed and performance, Fuel Design is here to help. Our in-house team specialises in creating high-performing, visually stunning websites that guarantee a Google PageSpeed of 80% or higher. Let us help you achieve digital success with a website that not only looks great but performs exceptionally.

Ready to enhance your website's performance? Contact us today to get started!

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Google has changed it's algorithm and it's creating huge waves in the Search Engine rankings. Most websites we see barely break 50/100 in Google Insights and this can heavily affect your rankings.

We guarantee at least 80% for your Core Web Vitals in both mobile and desktop (mobile being the most important now that Google is 'mobile-first').

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