Site Speed For SEO: Why It Matters and How to Improve It

Imagine a fast-loading website that becomes interactive in the blink of an eye—how would that change your browsing experience?

In today’s competitive landscape, website’s loading speed is more critical than ever, especially since Google has considered this as a ranking factor since 2010.

But what exactly is a good website speed? While there’s no magic number, aiming for a page load time of under 2 seconds is a good starting point. Users expect websites to load almost instantly. If your site takes longer than a few seconds, you risk losing visitors to your competitors and can hurt your google search rankings.

Did you know? A one-second delay in page load speed can lead to a 7% loss in conversions, 11% fewer page views, and a 16% decrease in customer satisfaction, as reported by the Aberdeen Group. This statistic highlights the profound impact that site load speed can have on your online success.

Graphical Statistics on the Impact of a 1-Second Page Load Delay Can Cause.

This guide will explain page load speed clearly and give you helpful tips on how to make your website faster. It’s designed for business owners, web developers, and SEO specialists, and aims to give you all the knowledge you need to really improve how your site works. If any questions come up while you read this guide, please don’t hesitate to contact our SEO agency in Brisbane. We’re always happy to help!

What will you learn from this guide?

By the end of this guide, you’ll be well-prepared to make your website speedy, engaging, and more SEO-friendly.

What is Site Speed?

Site speed, often referred to as “page speed,” measures how fast a page’s content is loaded and displayed on a user’s device. In simpler terms, it’s the measure of how quickly someone can start using a website after clicking a link or typing in a URL. This metric is crucial because it affects user experience (UX), engagement, and search engine rankings.

So, how does Google assess your site speed? Do they evaluate the time until the entire page is fully loaded?

While Google hasn’t officially confirmed their method, the fact that they provide data on all these metrics in their PageSpeed Insights tool suggests that they likely consider a variety of page speed indicators.

Key Page Speed Metrics

To thoroughly assess and enhance your website’s speed, it is important to familiarise yourself with essential page speed metrics, notably Google’s Core Web Vitals, which serve as quality signals for the user experience on web pages:

  • First Contentful Paint (FCP): This metric measures the time from when the page starts loading to when any part of the page’s content is first rendered.
  • Interaction To Next Paint (INP): Replacing First Input Delay (FID), INP measures responsiveness more comprehensively. Strive for an INP of less than 200 milliseconds to ensure responsive interactions.
  • Total Blocking Time (TBT): Measures the total time during which the page is blocked from responding to user inputs, typically caused by heavy script executions.
  • Largest Contentful Paint (LCP): Measures loading performance. Aim for LCP to occur within the first 2.5 seconds of the page loading to ensure a good user experience.
  • Cumulative Layout Shift (CLS): This metric assesses the visual stability by quantifying unexpected layout shifts. A good user experience achieves a CLS score of less than 0.1.
  • Speed Index (SI):  This measures how quickly the visual content of a page is populated, providing a useful gauge of the user’s perceived loading experience.

Other Important Metrics:

  • Time to First Byte (TTFB): This key diagnostic metric measures the time it takes for a user’s browser to receive the first byte of data from your server.
  • Time to Interactive (TTI): Measures when a page becomes fully interactive and responsive to user inputs.
Understanding Core Web Vitals (CWV) and Page Speed Metrics Graphical representation

Why is Website Speed Important?

The speed of a website transcends mere technical metrics—it directly influences human emotions and business outcomes. Let’s delve into why every second counts, not just for your SEO but for real human interactions and your bottom line.

Edge Marketing client achieves an excellent Core Web Vitals after Site Speed Optimisation
Our client achieves an excellent Core Web Vitals score after optimisation

User Experience (UX): The Emotional Impact of Site Speed

Slow loading times aren’t just a minor nuisance—they are a primary source of frustration and anxiety for users.

Imagine the irritation of trying to make a quick purchase or needing critical information, only to be hindered by a loading bar. Such experiences lead directly to higher bounce rates and lower overall user engagement.

Acording to Neil Patel latest statistics, 47% of people don’t wait for more than two seconds for a page to load. And, that a two-second delay in web page load time increase bounce rates by 103%.

Search Engine Optimisation (SEO): Speed Influences Visibility

Google has consistently emphasised website speed as a crucial ranking factor. This is because fast-loading sites are likely to provide a better UX compared to slow-loading ones.

The introduction of Core Web Vitals has further solidified this stance, with metrics like Largest Contentful Paint (LCP) and Cumulative Layout Shift (CLS) serving as direct indicators of the quality of UX.

A slow loading speed not only tests the patience of your visitors but also risks lower rankings in search results, reducing your site’s visibility and potential traffic.

Speed Drives Conversions for Businesses Across the Globe

The link between site speed and business performance is undeniable and quantifiable. Faster sites see significantly higher conversion rates and revenue.

For instance, Amazon’s calculated that a page load slowdown of just one second could cost it $1.6 billion in sales each year. Another example from Google found that by slowing its search results by just four tenths of a second they could lose 8 million searches per day–meaning they’d serve up many millions fewer online adverts.

In eCommerce Industry, 40% of people abandon a site completely if it takes more than three seconds to load.

These examples highlight that improving website speed can transform user frustration into user action, significantly impacting your revenue.

How to Check Your Page Load Time

Before diving into optimisations, it’s vital to check site loading speed. Tools like Google’s PageSpeed Insights or GTMetrix provide a baseline of page loading speed and pinpoint areas for improvement. This initial step is critical because how to optimise web page load time starts with knowing where you stand.

Step-by-step guide on how to check your site performance

7 Ways to Improve Your Site Speed for Better SEO Results

Enhancing your website’s speed is crucial not only for user experience but also for SEO performance. Let’s dive on how to improve website speed, leveraging effective page speed optimisation techniques.

Once you get the result, use these insights to identify what slows down your site. Optimising your website’s speed isn’t just about making random changes; it involves strategically targeting the areas that will have the most significant impact on performance. Here are some proven strategies to help you speed up your website:

#1 Image Optimisation: Essential for Loading Speed

Optimise Image Formats: Choosing the right image format is crucial for balancing quality and performance. For example:

  • Joint Photographic Experts Group (JPEG) is ideal for photographs due to its ability to compress high-quality images at a smaller file size. As a rule of thumb: if it has many different colours, gradients and textures, JPEG is the right file format.
  • Portable Network Graphics (PNG) is better for graphics with fewer than 16 colours or images that require transparency. However, they are bigger in file size, which could impact your site’s loading speed.
  • Web Picture Format (WebP) offers superior compression techniques, making it suitable for both photographs and graphics as it provides smaller image file sizes (up to 25%) and higher quality compared to JPEG and PNG.

Compress Images: Image compression reduces file size without noticeably degrading quality, which decreases the time it takes for images to load.

According to Pingdom, on average, images account for up to 53% of the total page weight. This indicates that they significantly influence page loading times and, as a result, overall performance.

Graphical representation of site/web weight distribution by content type.

Tools like TinyPNG can automate this process, reducing load times and bandwidth usage, which in turn improves overall site speed. For WordPress websites, use plugins like ShortPixel to optimise all your media library images.

#2 Enable Browser Caching

Enabling browser caching allows webpage data to be temporarily stored in the user’s browser, leading to faster load times for returning users.

To adjust server settings:

  • For Apache servers, you can edit the .htaccess file to set the Expires header and the Cache-Control header to a future date. For WordPress, use Plugin that are compatible with Apache Server like W3 Total Cache or FastPixel.
  • On NginX, you adjust settings in the nginx.conf file to include caching parameters. The best way to setup caching with Nginx server are via FASTCGI. For WordPress websites, using WP Rocket as it’s less technical and offers strong customer support.
  • For LiteSpeed servers, use the built-in cache features or LiteSpeed Cache plugins for content management systems like WordPress.
Diagram shows leveraging browser caching By Server type -  Apache, NginX, and LiteSpeed servers

#3 Minify JavaScript, CSS, and HTML

Minification is the process of removing unnecessary characters (like spaces and comments) from source code without changing its functionality. In simpler term, compress your code.

By minifying these files, you reduce their size and thus the amount of data that needs to be transferred, speeding up load times.

Below, see a side-by-side comparison of original and optimised code. The left side displays the original code with unnecessary characters, such as spaces and comments. The right side shows the minified version, where these excess elements have been removed to compress and optimise the code.

Original Code

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Sample Page</title>
    <style>
        /* Main container style */
        .container {
            margin: 20px;
            padding: 30px;
            border: 1px solid #ccc; /* Light grey border */
            font-family: 'OpenSans', sans-serif;
        }

        /* Header style */
        .header {
            font-size: 24px;
            color: navy;
        }
    </style>
    <link href="path/to/full/OpenSans-Regular.ttf" rel="stylesheet">
</head>
<body>
    <div class="container">
        <h1 class="header">Welcome to My Page</h1>
        <p id="demo">This is a demonstration paragraph.</p>
    </div>
    <script>
        // Function to change the text of the paragraph
        function changeText() {
            document.getElementById("demo").innerHTML = "Text updated!";
        }
        // Change text on page load
        window.onload = function() {
            changeText();
        };
    </script>
</body>
</html>

Minified Code

<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Sample Page</title><style>.container{margin:20px;padding:30px;border:1px solid #ccc;font-family:'OpenSans',sans-serif}.header{font-size:24px;color:navy}</style><link href="path/to/minified/OpenSans-Regular.woff2" rel="stylesheet"></head><body><div class="container"><h1 class="header">Welcome to My Page</h1><p id="demo">This is a demonstration paragraph.</p></div><script>function changeText(){document.getElementById("demo").innerHTML="Text updated!"}window.onload=function(){changeText()};</script></body></html>

#4 Reduce Redirects:

Each redirect creates additional HTTP requests and can significantly increase load time. For instance, if a URL redirects multiple times (a chain redirect), it can delay the page from loading because the server is spending time processing each redirect.

Streamlining the path data travels by eliminating unnecessary redirects can enhance site speed effectively.

Graphical representation of chain redirects vs. direct access, illustrating how multiple redirects increase load times.

#5 Use a CDN (Content Delivery Network):

For international websites, leveraging a CDN is essential to ensure fast, reliable access across the globe.

A CDN stores a cached version of your website in multiple geographical locations around the world (known as points of presence, or POPs). This means that when a user accesses your site, they are downloading files from the server closest to them.

Major websites use CDNs to ensure that their visitors from anywhere in the world can access their content quickly. For instance, a media site might use a CDN to quickly deliver videos to international audiences, significantly decreasing load times and improving user experience.

Diagram illustrating the content delivery network (CDN) process, showing speed up content delivery to users.

#6 Mobile-First Indexing: Prioritising Speed on the Smallest Screens

With Google’s mobile-first indexing, the speed of your mobile site is more crucial than ever. Mobile users expect quick, easy access to information and services, regardless of their location or device.

A one-second improvement in website speed can increase mobile user conversion rates by up to 27%.

A sluggish mobile experience can alienate this growing user base, negatively impacting your SEO and leaving potential sales on the table.

But mobile optimisation is about more than just speed. It’s about creating a user experience that is tailored to the unique characteristics of mobile devices. This includes factors like:

  • Responsive Design: Ensuring your website adapts seamlessly to different screen sizes.
  • Touch Optimisation: Making sure your website is easy to navigate and interact with on touchscreens.
  • Accelerated Mobile Pages (AMP): A technology that creates stripped-down versions of web pages that load very quickly on mobile devices.
  • Progressive Web Apps (PWAs): Websites that can be installed on a user’s device and offer features like offline access and push notifications.
Graphic highlighting mobile optimisation features to improve site speed for SEO.

By focusing on mobile optimisation, you can ensure that your website provides a fast and engaging experience for all users, regardless of how they access it.

#7 Choose Better Hosting Service

Your website’s hosting environment plays a massive role in its speed. Think of it like this: you can have a perfectly optimised website, but if it’s hosted on a overcrowded or slow server, it’s still going to lag.

Here are some key factors to consider when choosing a hosting provider:

  • Server Location: Choose a server located close to your target audience. This reduces the distance data has to travel, resulting in faster loading times.
  • Server Resources: Ensure the server has enough resources (CPU, RAM, IO Usage, Storage) to handle your website’s traffic and content.
  • Server Technology: Look for providers that use the latest server technologies, such as solid-state drives (SSDs) and optimised server software.
Graphic highlighting key factors in choosing a provider for site speed

Quick Tip: if your hosting plan costs just $6.99/month, your site is unlikely to load quickly. This sluggish performance typically stems from sharing a server with countless other websites, which can severely impede your site’s speed.

Looking for a hosting provider that ticks all the boxes? Consider reaching out to Edge Marketing. We offer a Superior hosting solution tailored to customer needs, with a focus on speed, security, and reliability.

Final Thoughts

Understanding the critical role of website speed highlights its impact on user satisfaction, SEO, and business success. Slow loading times lead to user frustration, lowered engagement, and ultimately affect your bottom line negatively.

By implementing key strategies such as optimising images, enabling browser caching, minimising redirects, and utilising a CDN, you can significantly enhance your website’s performance. These straightforward yet effective changes can lead to improved user engagement, better SEO rankings, and increased conversions, as users experience fewer barriers to interacting with your content.

Speeding up your website is an essential step towards ensuring it performs well in a competitive digital environment, offering a seamless experience that encourages users to stay longer and engage more deeply.

In essence, taking action to improve your website’s speed is not just about enhancing technical performance but about creating a more effective and enjoyable online space for your visitors.

Portrait of Himalay Patel for Team profile
About the author
Himalay Patel
Senior SEO Specialist

Himalay is a highly experienced professional. His expertise spans multiple fields, including working in Frontend Development & leveraging AI-driven SEO strategies.

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