Enter any URL below to get a full performance report including Core Web Vitals, a PageSpeed-style score and a prioritised list of optimisation recommendations.
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Enter a URL above and click Analyse Speed to get a full performance report.
Run an analysis to see your performance score.
Type or paste any website URL. The checker tests the live page exactly as Google's crawlers and real users see it.
Switch between Desktop and Mobile. Mobile results reflect Google's mobile-first indexing, always test mobile first.
The tool measures LCP, INP, CLS, FCP, TTFB and Speed Index, the same Core Web Vitals Google uses as ranking signals.
Get a prioritised list of issues with impact ratings. Fix High-impact items first for the fastest ranking gains.
A website speed test measures how fast a page loads and how stable it feels while loading. A page speed checker runs your URL through a set of measurements and reports where the time goes. This one uses Google's own PageSpeed API, so the numbers are the ones Google itself records.
Three metrics carry the weight, and they are the Core Web Vitals. LCP is how long until the biggest thing on screen appears, and should be under 2.5 seconds. INP is how quickly the page responds when someone taps or clicks, and should be under 200 milliseconds. CLS measures whether things jump around as it loads, and should stay under 0.1.
The score out of 100 is not one of them. Google uses the three vitals rather than the score. A 100 with a slow LCP in the real world will not save you.
Written by Chirag Arora, digital marketing consultant with 17+ years of hands-on SEO experience across 500+ projects. He designed this tool and the other 22 free tools on this site. Verify on LinkedIn.
| Lab data | Field data (CrUX) | |
|---|---|---|
| What it is | One simulated load, on demand, from a data centre | What real visitors actually experienced over 28 days |
| How fast you see it | Instantly, every time you click | Only if your page gets enough real traffic |
| Consistency | Reproducible. Run it twice, get similar numbers | Moves slowly. It is an average of thousands of loads |
| Devices | One simulated phone or desktop | Every phone, every network, every browser your visitors use |
| What Google ranks on | Nothing. This is a diagnostic | This. Core Web Vitals come from field data |
| Use it for | Finding what to fix, then testing whether the fix worked | Knowing whether you have a real problem at all |
This is the distinction almost every speed article skips. It is why people spend weeks chasing a score. Lab data is a simulation, so it is useful for diagnosis and useless as a verdict. Field data is slow, boring and the only thing Google grades you on. If a new page has no field data yet, that is not a failure, it just means not enough people have visited. Google's Core Web Vitals documentation is explicit that the field measurement is what counts.
Images are the #1 cause of slow LCP. Convert all images to WebP, add explicit width/height attributes to prevent layout shift, and use loading="lazy" on below-the-fold images.
CSS and JS in <head> block rendering. Move scripts to end of body or add defer/async. Inline only critical CSS. Use preload for fonts and above-the-fold hero images.
A CDN serves assets from servers close to your visitors, cutting TTFB by 60 to 80%. Add proper Cache-Control headers so returning visitors load your site from memory instantly.
Scores are modelled on Google's PageSpeed Insights methodology and the Lighthouse performance scoring rubric. Metrics, LCP, INP, CLS, FCP, TTFB and Speed Index, follow Google's published Core Web Vitals thresholds (Good / Needs Improvement / Poor). The overall score (0 to 100) is a weighted composite using Google's official metric weightings. Recommendations are drawn from Lighthouse audits and real-world optimisation patterns validated across hundreds of sites.
This free website speed test tool measures how fast any page loads and scores it the way Google does. Paste a URL and it runs a page speed analysis built on Google Lighthouse, the same engine behind PageSpeed Insights, then reports a 0 to 100 score, your Core Web Vitals, page size and request count for both desktop and mobile, each with a clear fix. There is no sign-up, no credit card and no daily limit, so it is a truly free website speed checker you can run as often as you need.
Most free speed tests hand you a number and leave you staring at it. Over 17+ years optimising sites across 500+ projects, I learned that the score is not the point, the fix is. So this free website speed analysis prioritises the issues that actually move your load time, oversized images, render-blocking CSS and JavaScript, missing caching and slow server response, in the order a professional would tackle them. You see what to fix first, not a wall of red warnings.
Speed is not just user experience, it is a Google ranking factor. Since Core Web Vitals became part of Google's page experience signals, a slow site quietly loses both rankings and conversions, most visitors leave a page that takes more than three seconds. Run this free page speed test before you launch, after every big change and whenever your site starts to feel slow, then fix the issues it surfaces and re-test to confirm the gain. Pair it with the free on-page SEO analyzer to catch content and meta issues too, or browse the full set of free SEO tools to cover your whole workflow.
One habit trips up most teams. The big coloured score at the top of a speed test is a lab estimate from one simulated run, not the number Google ranks on, what actually counts is the field data in the Chrome UX Report, the real experience of your visitors measured at the 75th percentile over a rolling 28 days. A page passes only when at least three in four real visits hit good on all three vitals at once, so use lab tools like Lighthouse to find and fix problems, but read Search Console and PageSpeed field data to decide whether you have actually passed. When you do fix something, give it a few weeks before judging, because that field window updates slowly.
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Launch ToolThe Core Web Vitals are, and the score out of 100 is not. That distinction matters because almost everyone optimises the wrong one. Google uses LCP, INP and CLS as measured on real visitors. It treats them as a tiebreaker rather than a main lever. A fast page with thin content will not outrank a slow page that answers the question. Speed is worth fixing because people leave slow pages, and that costs you conversions long before it costs you rankings.
Because a lab test is a single simulated load, and network conditions, server load and third party scripts vary between runs. A five to ten point swing on repeat tests is normal and means nothing. This is exactly why field data exists. If you want to know whether you have a real problem, look at what actual visitors experienced over 28 days rather than at one simulated load from a data centre.
Above 90 is green, 50 to 89 is amber, below 50 is red. But chase the metrics rather than the number. A site with a score of 75 and all three Core Web Vitals passing is in better shape than one scoring 95 with a failing INP, because Google looks at the vitals. Perfect scores are also expensive to reach and rarely worth the last ten points.
Not enough real visitors yet. Field data comes from Chrome users who actually loaded your page, and Google needs a meaningful sample over 28 days before it will report anything. A new or low traffic page will show lab data only. That is not a failure and there is nothing to fix. Use the lab numbers to find obvious problems and wait for traffic to tell you the truth.
In this order, across 500+ projects, it is unoptimised images, then third party scripts, then everything else. Images are the commonest LCP problem and the easiest fix, because most sites serve a 2MB photo where a 200KB one would look identical. Third party scripts are the commonest INP problem, and each chat widget, heatmap and analytics tag runs on your visitor's phone whether they wanted it or not.
INP, in March 2024. First Input Delay only measured the delay before the browser started responding to the first interaction, which flattered a lot of pages. Interaction to Next Paint measures the whole thing, across every interaction, until the screen actually updates. Plenty of sites that passed FID comfortably fail INP, and that is the metric telling the truth.
This free tool shows what is slowing your site down. If you would rather have it fixed and passing Core Web Vitals, here are a few honest reasons businesses hire me as their SEO and web performance consultant in India.
I do not chase a vanity 100 score. I fix the LCP, INP and CLS issues Google actually measures on real visitors, so your site passes the page experience assessment that affects rankings.
I started as a technical SEO trainee, not in a management seat, and I still do the performance work myself, compressing images, cutting render-blocking code and tuning caching. Direct expertise, not a hand-off.
The speed checker you just used, I built it, along with 22 other free SEO tools on this site. It is a direct look at how I diagnose and prioritise performance issues before you ever become a client.
A faster site does not just rank better, it keeps visitors from leaving. I optimise with your bounce rate and conversions in mind, not just the score, because speed only matters if it wins you business.
Messages get a reply within 24 hours on business days, and WhatsApp is the fastest way to reach me for anything urgent. You are not waiting in a support queue.
Performance is one piece. SEO, on-page, content and technical health all sit with one person who understands how they connect, so a faster site also becomes a better ranking one.
"Chirag cut our mobile load time in half and got us passing Core Web Vitals. Bounce rate dropped and organic traffic climbed within weeks. He knows exactly what to fix."
"Our site was painfully slow and we did not know why. Chirag audited it, fixed the images and scripts and doubled our speed score. His 17+ years of experience really shows."
"We started with Chirag's free speed test, then hired him to fix what it found. Faster pages meant more conversions almost immediately. Practical, no fluff, real value."
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