How to Boost Your PageSpeed Insights Score

Looking to improve your website’s loading speed and boost your PageSpeed Insights score? You’ve come to the right place!
In this blog post, we’ll show you step-by-step how to optimize your website to achieve a higher score on Google PageSpeed Insights.
From minifying CSS and JavaScript files to leveraging browser caching and optimizing images, we’ll cover all the essential strategies to ensure your website loads faster and delivers an optimal user experience.

Google PageSpeed Insights Score
Google PageSpeed Insights Score

Table of Contents

  • What are Google PageSpeed Insights?
  • Understanding the PageSpeed Insights Report
  • Key Factors Affecting PageSpeed Insights Scores
  • Strategies to Improve Your PageSpeed Insights Score
  • FQAs
  • Final Thoughts

So, let’s dive in and unlock the secrets to improving your PageSpeed Insights score.

What are Google PageSpeed Insights?

Google PageSpeed Insights is a powerful tool provided by Google that helps website owners and developers analyze the performance and speed of their web pages.
It provides valuable insights and suggestions on how to improve the loading time and overall user experience of a website.

Using advanced algorithms, Google PageSpeed Insights measures various performance metrics such as page load time, time to interact, and first contentful paint. It also evaluates the mobile-friendliness of a website and identifies any potential issues that may impact its performance on mobile devices.

By following the recommendations provided by Google PageSpeed Insights, website owners can optimize their websites for better performance and enhanced user satisfaction.

Understanding the PageSpeed Insights Report

The PageSpeed Insights report consists of three main sections: Core Web Vitals Assessment, Diagnose Performance Issues, and Opportunities. Let’s dive into each of these sections to better understand the metrics and recommendations provided by Google.

Core Web Vitals Assessment

At the top of the report, you will find the Core Web Vitals assessment. This section indicates whether your website has passed or failed Google’s key ranking factors on mobile devices.

The Core Web Vitals include:

  • Largest Contentful Paint (LCP): Measures the loading performance of the webpage, specifically the time it takes for the largest piece of content to become visible to the user.
  • Cumulative Layout Shift (CLS): Measures the visual stability of the webpage as it loads, specifically how much the content moves around.
  • First Input Delay (FID): Measures the interactivity of the webpage, specifically the time it takes for the website to respond to the user’s first interaction.

By assessing these Core Web Vitals, Google aims to provide a better user experience and prioritize websites that load quickly and respond efficiently.

Diagnose Performance Issues

The “Diagnose performance issues” section provides a performance score for your webpage. This score is a combination of several categories:

  • Performance: This category represents the overall score of your webpage’s speed and optimization.
  • Accessibility: This category assesses factors such as ease of navigation, alt text for images, and color contrast for users with visual impairments.
  • Best Practices: This category evaluates how well your webpage adheres to web development best practices, including the use of modern web technologies, optimized code, and secure connections.
  • SEO (Search Engine Optimization): This category focuses on how well your webpage is optimized for search engines, considering aspects such as metadata, structured data, and mobile-friendliness.

The performance score and individual category scores provide valuable insights into areas where your webpage can be improved.


The “Opportunities” section provides a list of specific recommendations to optimize your web page’s speed and efficiency. These recommendations may include optimizing images, simplifying code, reducing server response time, or eliminating render-blocking resources.

Each recommendation is accompanied by an estimated time savings in seconds, helping you prioritize the opportunities based on their expected impact and difficulty of implementation.
By implementing these optimization suggestions and rerunning the analysis, you can gauge the improvements in your webpage’s performance.

Key Factors Affecting PageSpeed Insights Scores

Improving your website’s PageSpeed Insights score is crucial for enhancing user experience and search engine rankings. Several factors influence these scores, and addressing them can significantly boost your website’s performance.

1. Server Response Time

Fast server response time is critical. Factors such as server resources, traffic levels, and hosting quality impact this metric.

2. Browser Caching

Utilizing browser caching allows returning visitors to load a webpage faster by storing previously downloaded resources locally.

3. Image Optimization

Large images can significantly slow down page loading times. Optimizing images by compressing them without sacrificing quality can yield substantial performance improvements.

4. Minification of CSS, JavaScript, and HTML

Removing unnecessary characters (whitespace, comments) and shortening variable names in your code can reduce file sizes and improve load times.

5. Render-Blocking Resources

JavaScript and CSS files that prevent the page from loading until they are fully downloaded can be optimized to allow for faster initial page rendering.

6. Above-the-Fold Content

Prioritizing the loading of above-the-fold content, the portion of the webpage visible without scrolling can improve perceived page speed.

7. Mobile Optimization

Ensuring that your website is optimized for mobile devices is crucial, as mobile-friendliness is a significant ranking factor for search engines.

8. Server-Side Rendering (SSR) and Client-Side Rendering (CSR)

Utilizing SSR or CSR appropriately based on your website’s needs can impact page loading times. SSR generally results in faster initial page loads, while CSR can provide a smoother user experience once the page is loaded.

9. Content Delivery Network (CDN)

Distributing your content across multiple servers geographically can reduce latency and improve loading times for users in different locations.

10. Elimination of Redirects

Minimizing the number of redirects on your website can prevent additional HTTP requests and reduce loading times.

By addressing these key factors, you can make significant strides in improving your website’s PageSpeed Insights scores and, ultimately, enhance user satisfaction and search engine visibility.

Strategies to Improve Your PageSpeed Insights Score

Now that we have covered the basics of Google PageSpeed Insights, it’s time to explore strategies to improve your PageSpeed Insights score. Implementing these strategies can help you enhance your website’s speed, user experience, and search engine rankings.

1. Reduce Server Response Times (TTFB)

Server response time, also known as Time to First Byte (TTFB), plays a significant role in webpage loading speed.

To reduce server response times, consider the following strategies:

  • Choose a web hosting service that offers fast servers and low latency.
  • Optimize your server’s application logic to prepare pages faster.
  • Optimize your server’s database queries or migrate to faster database systems.
  • Upgrade your server hardware to increase memory or CPU capacity.
  • Utilize a content delivery network (CDN) to distribute your page’s resources across multiple servers.

Seek assistance from a developer or web host to implement these optimizations effectively.

2. Eliminate Render-Blocking Resources

Render-blocking resources, such as CSS and JavaScript files, can hinder the quick loading of a webpage. By removing or optimizing these resources, you can improve your website’s performance.

To eliminate render-blocking resources, follow these steps:

  • Identify the render-blocking resources listed in the “Opportunities” section of your PageSpeed Insights report.
  • Determine which resources are non-essential for the functionality of your website and remove them.
  • Seek developer support if you are not familiar with coding or website development.

3. Avoid Chaining Critical Requests

To avoid this issue, set priorities and load critical assets first. Consider the following steps:

  • Add the “async” attribute to scripts that can be loaded asynchronously, allowing the browser to continue rendering the page while the script loads in the background.
  • Use the “defer” attribute to delay the execution of non-critical scripts until after the page has finished rendering.

Consult a developer to add these attributes to your website’s code, ensuring compatibility and proper functionality.

4. Properly Optimize Your Images

Images can significantly impact page load speed, especially if they are large or not optimized. To optimize your images, consider the following techniques:

  • Compress your images using tools like TinyPNG or ShortPixel before uploading them to your website.
  • Use the appropriate image format (JPEG, PNG, GIF, or WebP) based on the image content and quality requirements.
  • Utilize the “srcset” attribute to serve different image sizes based on the user’s device.
  • Implement lazy loading techniques to load images only when they come into view.

If you have a WordPress website, plugins like Lazy Load or Smush can simplify the image optimization process.

5. Reduce CSS and JavaScript

CSS and JavaScript files are essential for webpage functionality but can contribute to slower load times if they are not optimized. Consider the following strategies:

  • Minify your code by removing unnecessary characters such as white space and comments.
  • Utilize JavaScript frameworks or libraries designed for lightweight and fast-loading performance.
  • Employ plugins like Hummingbird, LiteSpeed Cache, or W3 Total Cache to minify CSS and JavaScript files.

Ensure compatibility and test thoroughly when implementing these optimizations, as certain scripts may require additional considerations.

6. Preload Key Requests

Preloading key requests allows the browser to prioritize critical assets and download them first. This can significantly improve load times for essential files.

Consider the following techniques:

  • Identify critical assets such as fonts, JavaScript files, CSS files, or images.
  • Use the preload tag to instruct the browser to prioritize the download of these assets.

WordPress plugins like Preload Images and Pre* Party can simplify the process of preloading key requests.

7. Reduce Document Object Model (DOM) Size

Large Document Object Model (DOM) sizes can lead to slower loading times and poor user experience. To reduce your DOM size, consider the following strategies:

  • Remove unnecessary elements and attributes from your HTML code.
  • Remove unused JavaScript or CSS files.
  • Utilize server-side rendering (SSR) techniques.
  • Avoid using visual page builders that generate inflated HTML.
  • Seek clean-coded themes and plugins to minimize unnecessary code.

Tools like Google’s Chrome DevTools can assist in analyzing your DOM size and identifying areas for improvement.

8. Defer Offscreen Images

Loading offscreen images can significantly impact page load speed. By deferring the loading of non-visible images, you can prioritize the loading of visible content. Consider implementing lazy loading techniques:

  • Load images only when they come into view on the user’s screen.
  • Utilize WordPress plugins like Lazy Loader or Smush to simplify the implementation.

9. Avoid Overusing Third-Party Code

Third-party code, including scripts, pixels, and plugins, can negatively impact webpage loading times. Regularly audit and remove unnecessary third-party code to improve performance. Consider the following steps:

  • Identify third-party code using tools like PageSpeed Insights or browser developer tools.
  • Evaluate the necessity of each piece of third-party code.
  • Remove unnecessary third-party code from your content management system (CMS) or uninstall plugins if applicable.

Maintaining a lean third-party code ecosystem can contribute to faster webpage loading speeds.

10. Fix Multiple Page Redirects

Multiple page redirects can cause significant delays in page loading times. Minimizing redirects is crucial for improving page speed.

Consider the following steps:

  • Identify redirect chains and loops using tools like Semrush’s Site Audit or Google Search Console.
  • Minimize the number of redirects and ensure they are straight from the original URL to the final URL.
  • Utilize WordPress plugins like Easy Redirect Manager, Redirection, or Simple Page Redirect to manage and modify redirects.

Implementing proper redirect practices can significantly improve your website’s performance and user experience.


What is a good recommended Google page speed score?

A good recommended Google PageSpeed score is 90 or above for both mobile and desktop. This indicates a well-optimized website that loads quickly and provides a better user experience, potentially impacting search engine rankings positively.

Should I worry about Google page speed?

Yes, you should worry about Google PageSpeed as it directly impacts user experience, SEO rankings, and overall website performance. A faster-loading website can improve user engagement, conversion rates, and search engine visibility.

How to optimize CSS for Google page speed insights?

To optimize CSS for Google PageSpeed Insights, minimize and concatenate CSS files, inline critical CSS, utilize media queries for responsive design, and remove unused CSS to reduce file sizes and improve loading speed.

Why does the Google page speed tool not optimize my images?

Google’s PageSpeed tool does not optimize images directly because it’s designed to provide suggestions and guidelines rather than performing optimizations. It’s up to website owners to implement the recommended image optimizations.

How we achieve a Google page speed score of 100 with WordPress?

To achieve a Google PageSpeed score of 100 with WordPress, consider using a lightweight theme, optimizing images, leveraging browser caching, minimizing CSS and JavaScript, utilizing a content delivery network (CDN), and employing caching plugins like WP Super Cache or W3 Total Cache.

Final Thoughts

Optimizing your website’s speed and performance is essential in today’s digital landscape. Google PageSpeed Insights is a valuable tool that provides insights and recommendations to enhance your website’s speed and user experience.
By implementing the strategies outlined in this guide and regularly monitoring your PageSpeed Insights score, you can attract more visitors, improve search engine rankings, and deliver an exceptional online experience.

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