preloader image

Does Page Speed Affect SEO?

In the digital age, websites play a crucial role in establishing an online presence for businesses and individuals alike. As competition intensifies in the online landscape, search engines constantly evolve their algorithms to provide users with the best possible experience. One crucial factor in this equation is page speed. In this article, we will delve into the relationship between page speed and SEO, exploring how the loading time of a website can significantly impact its search engine rankings and overall online visibility.

What is Page Speed?

Page speed, though seemingly straightforward, encompasses a vast level of intricacy. It is not merely about how quickly your website loads for visitors, although it may seem that way at first glance. Instead, page speed involves various factors, starting with your site’s Time to First Byte (TTFB), which represents the initial response time between your site and the user’s browser. This TTFB is then considered alongside specific metrics, such as the First Contentful Paint (FCP), which marks when the user first sees actual content, the Largest Contentful Paint (LCP), indicating when the largest content section of the site loads, and the First Input Delay (FID), which measures the time it takes for the user to interact with the site beyond scrolling, such as clicking on links. On May 10, 2023, Google announced that INP (Interaction to Next Paint) will replace FID in the Core Web Vitals in March 2024.

All these individual metrics are loosely combined to create a comprehensive rating known as the Speed Index. You can access this rating from Google’s own PageSpeed Insights, providing you with a benchmark metric to gauge the cumulative effect of the other metrics mentioned earlier. Collectively, these metrics offer a comprehensive view of your website’s page speed and how search engines like Google, other search engines, and your users perceive and interact with your site.

Search Engine Optimisation

How Does Page Speed Affect SEO?

Search engines like Google consider page speed as one of the crucial ranking factors. Faster-loading websites tend to rank higher in search engine results, leading to increased organic traffic and better user engagement. Slow-loading pages can negatively impact user experience, resulting in higher bounce rates and lower search engine rankings.

In recent years, the use of mobile devices for internet browsing has surpassed that of desktops. Consequently, search engines have prioritised mobile-first indexing, making mobile page speed a vital factor for SEO. Mobile users often face slower internet connections, making the optimisation of page speed even more crucial to provide a smooth browsing experience.

In 2018, Google rolled out its mobile-first indexing, which means that the search engine predominantly uses the mobile version of a website for indexing and ranking. If your website is slow to load on mobile devices, it can negatively impact your search rankings, regardless of how well it performs on desktops.

Is 100/100 Insights Score Essential?

While achieving a perfect 100/100 score on Google’s PageSpeed Insights is an admirable goal, it is not necessarily essential for all websites. While a higher score generally indicates a well-optimised and fast-loading website, it’s important to understand that the score is just one of many factors that impact SEO and user experience.

Instead of obsessing over a perfect score, focus on achieving a balance between performance and functionality. Prioritise optimising the critical elements that significantly impact loading speed, such as reducing server response time, compressing images, and using browser caching.

As a point in our favour, it is worth noting that even YouTube, a platform owned by Google and expected to set high standards, currently exhibits a relatively slow PageSpeed Insights score.

How to Optimise Page Speed for SEO

Improving your website’s page speed requires a delicate balance between speed, functionality, and aesthetics, making it a science in itself. However, we can offer several recommendations to assist you in reducing page load times and achieving the SEO boost that comes with enhanced page speed.

Minify HTML, CSS, and JavaScript

Minifying HTML, CSS, and JavaScript is a crucial step in optimising your site. Minification involves removing unnecessary characters like white spaces, comments, and line breaks from your code. This process reduces the file sizes, leading to faster load times for your website and improved overall performance.

Here are some solutions and tools you can use to minify your HTML, CSS, and JavaScript in WordPress:

  1. Plugins: There are several WordPress plugins available that can automatically handle the minification process for you. Some popular options include:
    • WP Super Minify: This plugin combines and minifies your CSS and JavaScript files, helping to improve page loading times.
    • Autoptimize: This plugin can optimize your HTML, CSS, and JavaScript, and even offers additional features like image optimization.
  2. Online Minification Tools: If you prefer to minify your code manually, you can use online tools that offer quick and easy minification without the need for plugins. Some widely used tools include:
    • HTML Minifier: This tool allows you to paste your HTML code and obtain the minified version instantly.
    • CSS Minifier: Similar to the HTML Minifier, this tool minifies your CSS code with ease.
    • JavaScript Minifier: Paste your JavaScript code, and this tool will minify it for you.

Use a CDN

Another effective optimisation technique is to utilise a Content Delivery Network (CDN). By integrating a CDN into your website, you can significantly enhance its performance and user experience. A CDN stores your website’s static content, such as images, CSS files, and scripts, on multiple servers distributed across different geographical locations. When a visitor accesses your website, the CDN serves these static files from the nearest server, reducing latency and load times.

Cache Your Content

Installing and activating a caching plugin is all it takes for WordPress users. Any WP site can reap the benefits of a caching plugin. Utilising browser caching ensures that returning visitors experience an exceptionally seamless browsing experience.

Here are some popular caching plugins for WordPress that can help improve your website’s performance by caching and optimising various elements:

  1. WP Super Cache: This plugin, developed by Automattic (the company behind WordPress), is user-friendly and effective. It offers several caching options, including static HTML files, mod_rewrite-based caching, and a legacy caching mode.
  2. W3 Total Cache: Known for its robust features, W3 Total Cache is a comprehensive caching plugin that allows you to enable various caching methods, minify CSS/JS/HTML, and integrate with CDN services.
  3. LiteSpeed Cache: If your hosting server is running LiteSpeed, this plugin can be an excellent choice. It supports object and page caching, minification, and integrates well with LiteSpeed servers.

Optimise Images

Compressing and optimising images is a vital step in website optimisation. Large image files can slow down page loading times, leading to a poor user experience and negatively impacting search engine rankings. By compressing images, you reduce their file size without compromising much on quality, resulting in faster page loading and improved website performance.

There are several ways to compress and optimise images for your WordPress site:

  1. Image Editing Software: Before uploading images to your website, use image editing software like Adobe Photoshop or GIMP to manually optimise and compress them. These tools offer options to adjust image dimensions, reduce resolution, and save images in web-friendly formats like JPEG or PNG.
  2. Online Image Compression Tools: There are various online tools available that can compress your images without the need for any software installation. Examples include TinyPNG,, and ImageOptim. These tools automatically optimize images while maintaining acceptable quality.
  3. WordPress Plugins: Several WordPress plugins can automatically compress images as you upload them to your media library. Some popular choices are Smush, Imagify, and ShortPixel. These plugins can also optimise existing images in your media library in just a few clicks.
  4. Lazy Loading: Implement lazy loading for images on your website. This technique delays the loading of off-screen images until the user scrolls down to view them, reducing the initial load time.

Remember to strike a balance between image quality and file size. Aim to keep image sizes as small as possible without compromising on the visual appeal of your website. By compressing and optimising images, you’ll create a more responsive and user-friendly website that visitors will appreciate.

Wrapping Up

In conclusion, the answer to the question “Does Page Speed Affect SEO?” is a resounding yes. Page speed plays a crucial role in determining a website’s search engine rankings, as major search engines prioritise faster-loading websites for improved user experience. Slow-loading pages can lead to higher bounce rates and lower search engine visibility. By following the recommended steps, including utilising caching plugins, leveraging Content Delivery Networks (CDNs), minifying HTML, CSS, and JavaScript, and compressing and optimising images, you can significantly enhance your website’s performance.

With these strategies in place, your site will be well-equipped to meet the demands of modern online audiences and leave a positive and lasting impression on your visitors.

About the Author

  • Tamas Biro

    Tamas is one of the founders of Netzoll, he has a lot of experience in Technical SEO, Web Design and Web Development. Tamas and the Netzoll team are passionate about creating engaging online experiences and are committed to assisting businesses in growing online.

Contact us

Unlock Your Online Potential

Reach New Heights with Our Digital Solutions

Get in Touch