Website Speed
Google’s Core Web Vitals made it official — website speed matters. Fast-loading sites are rewarded with better rankings, while slow ones get left behind. Oversized images and heavy scripts are the usual culprits, especially on mobile. Test your site’s speed and give both Google and your visitors the seamless experience they expect.
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A recent update at Google is the need for speed! Google’s recent ‘core web vitals’ elements really announced Google’s desire for a website to load fast and provide a seamless user experience. A slow load time is obviously annoying to anyone so Google rewards sites that load fast and vice versa. We find in particular that mobile load time is most often poor and takes the most work to resolve. Elements like over sized images, excessive scripts and coding are the most common culprits for slow load time.
In some industries where aesthetic is crucial [eg. Architects, home builders, cosmetic surgery] then you may accept a slower load time because the positive user experience from the imagery or functionality may be worth a slightly slower load time and SEO rank. If I am going to have my new house built I really want to be ‘wowed’ by the images of what they have done before and their gallery.
Tip – check your website’s speed by pasting the URL in here – https://pagespeed.web.dev/
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faq'S
Frequently Asked Questions
Does website speed affect SEO?
Yes. Google uses page experience signals, including Core Web Vitals, as part of its ranking systems, so faster sites can have an edge. Speed is a modest ranking factor compared with relevance and content quality, but it strongly affects how many visitors stay, enquire and buy. A slow site loses customers even when it ranks well.
How much does page speed affect rankings?
Speed rarely outweighs relevance: a slow page with the best answer can still outrank a fast page with a weak one. Where pages are similarly relevant, a better experience can tip the balance. The bigger impact is on conversions, because visitors abandon slow pages, especially on mobile.
Why does speed matter for my business beyond SEO?
Faster sites keep more visitors, generate more enquiries and sell more. People expect pages to load almost instantly, especially on phones, and many leave if they don’t. Speed also improves the results of your Google and Meta ads, because more of the people you pay to bring to your site stay long enough to convert.
Why is my website slower on mobile than desktop?
Phones have less processing power and often slower connections, so heavy images, scripts and code hurt more on mobile. Google also tests mobile speed under slower conditions. Mobile is usually where speed problems are worst and take the most work to fix, which matters because Google mainly uses the mobile version of your site for ranking.
What is mobile-first indexing?
Mobile-first indexing means Google mainly uses the mobile version of your website to understand and rank it. If your mobile site is slow, hides content or is hard to use, your rankings can suffer even if the desktop version is excellent. Every site should be tested and optimised on mobile first.
What slows a website down?
The most common causes are oversized images, too many scripts and plugins, heavy page builders and themes, third-party tools like chat widgets and tracking tags, unoptimised fonts, slow hosting and a lack of caching. Most sites have a few major issues that, once fixed, make a big difference.
Should image-heavy websites sacrifice speed for visuals?
Not necessarily. For industries like architecture, home building and cosmetic surgery, high-quality galleries are essential to win customers, and a little extra load time can be worth it. But beautiful images can still load quickly when they’re properly sized, compressed, served in modern formats like WebP or AVIF, and lazy-loaded below the fold.
What are Core Web Vitals?
Core Web Vitals are three metrics Google uses to measure real-world page experience: Largest Contentful Paint (LCP) for loading speed, Interaction to Next Paint (INP) for responsiveness, and Cumulative Layout Shift (CLS) for visual stability. They’re measured from real Chrome users visiting your site and form part of Google’s page experience signals.
What are the target scores for Core Web Vitals?
To pass, at least 75% of real visits should meet each target: LCP of 2.5 seconds or less, INP of 200 milliseconds or less, and CLS of 0.1 or less. Scores above those levels are rated “needs improvement” or “poor”. Google Search Console shows which of your pages pass or fail.
What is Largest Contentful Paint (LCP)?
LCP measures how long it takes for the main content of a page, usually the hero image or main heading, to appear. A good LCP is 2.5 seconds or less. Slow LCP is usually caused by large images, slow servers, or scripts and styles that block the page from loading.
What is Interaction to Next Paint (INP)?
INP measures how quickly a page responds when someone taps, clicks or types. A good INP is 200 milliseconds or less. It replaced First Input Delay (FID) in March 2024. Poor INP is usually caused by heavy JavaScript, such as large page builders, plugins and third-party scripts.
What is Cumulative Layout Shift (CLS)?
CLS measures how much a page jumps around while it loads, such as text moving when an image or ad appears. A good CLS is 0.1 or less. It’s usually fixed by setting image and video dimensions, reserving space for ads and banners, and loading fonts properly.
How do I test my website's speed?
Paste your URL into Google’s free PageSpeed Insights. It shows real-user Core Web Vitals data where available, plus a lab test with specific recommendations for mobile and desktop. Google Search Console’s Core Web Vitals report shows how all your pages perform over time.
What's the difference between lab data and field data?
Field data comes from real Chrome users visiting your site over the past 28 days, and it’s what Google uses for Core Web Vitals. Lab data is a simulated test run at the time, useful for diagnosing problems and checking fixes. Your lab score can vary between tests, so focus on field data and the specific issues flagged.
Do I need a PageSpeed score of 100?
No. The PageSpeed performance score is a lab estimate, and chasing 100 often isn’t worth the cost. What matters is passing Core Web Vitals for real users and giving visitors a fast, smooth experience. A score in the 70s to 90s with passing Core Web Vitals is usually a strong result for a business site.
How can I make my website faster?
Start with the biggest wins: resize and compress images and serve them in WebP or AVIF, enable caching, remove unused plugins and scripts, lazy-load images below the fold, and minimise CSS and JavaScript. Then look at hosting, a content delivery network (CDN) and third-party tools. PageSpeed Insights will show which fixes matter most for your site.
How do I optimise images for speed?
Resize images to the largest size they’ll actually display, compress them, and use modern formats like WebP or AVIF, which are much smaller than JPEG or PNG. Lazy-load images further down the page, but not the main hero image, which should load first. Always set width and height to prevent layout shifts.
Do WordPress plugins slow my site down?
They can. Each plugin may add scripts, styles and database queries, and heavy page builders, sliders and social widgets are common culprits. Remove plugins you don’t use, replace heavy ones with lighter alternatives, and use a caching and optimisation plugin. Quality matters more than the number of plugins.
Does web hosting affect website speed?
Yes. Cheap shared hosting can slow your server response time, which delays everything else from loading. Australian businesses targeting local customers benefit from hosting with servers in Australia or a CDN with local locations. Upgrading hosting is often one of the quickest ways to improve LCP.
What is a CDN and do I need one?
A content delivery network stores copies of your site’s files on servers around the world and delivers them from the location closest to each visitor. It reduces load times, especially for visitors far from your main server, and adds security benefits. Many hosts and platforms like Shopify include a CDN.
Do third-party scripts slow down my website?
Often, yes. Chat widgets, tracking pixels, review widgets, video embeds and booking tools each load extra code, often from other servers. Keep only the ones you use, load them after the main content where possible, and manage tracking tags through Google Tag Manager to keep things tidy.
Do I need a new website to fix speed problems?
Usually not. Most speed issues can be fixed on your existing site through image optimisation, caching, plugin clean-ups and hosting improvements. A rebuild may be worth considering if your site uses an outdated, very heavy theme or page builder that can’t be optimised further, or if it needs a redesign anyway.
What does Search Rescue do to improve website speed?
Search Rescue reviews your site’s speed on desktop and mobile, identifies what’s slowing it down, and fixes standard issues such as image optimisation and caching. For complex script or file issues, the team works with your website developer to prioritise and resolve the slowest elements. Speed is one of the 8 pillars of SEO.
Will you work with my website developer?
Yes. Search Rescue handles standard speed fixes directly and gives your developer a clear, prioritised list for anything that needs code or theme changes. That way your developer knows exactly what to fix first, and you aren’t paying for changes that make little difference.
How quickly can speed improvements affect my site?
Visitors notice speed improvements immediately. Lab scores in PageSpeed Insights update straight away, while Google’s real-user Core Web Vitals data is based on a rolling 28-day window, so it can take about a month for improvements to fully show in Search Console.
How do I get started?
Request a free SEO audit through the contact page or call 1300 107 110. The audit checks your site speed and Core Web Vitals alongside content, links and technical health, and gives you a prioritised list of fixes. Learn more about Search Rescue’s SEO services.
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