Free Website Speed Audit
Paste a URL and get real Core Web Vitals for mobile and desktop, with a prioritised fix list, in about 30 seconds.
- Free
- No signup
- Works on your phone
How to use it
Paste the full address of the page you want to test, for example your home page.
Add your email if you'd like the full report and fix playbooks sent to you.
Run it and read the fix list from the top: the first items cost you the most speed.
What the numbers mean
Google measures how a page feels to a real visitor with three Core Web Vitals. Largest Contentful Paint (LCP) is how long the main content takes to appear; aim for 2.5 seconds or less. Interaction to Next Paint (INP) is how quickly the page responds when someone taps or clicks; aim for 200 milliseconds or less. Cumulative Layout Shift (CLS) measures how much the layout jumps while loading; aim for 0.1 or less.
The fixes that usually matter most
- Images: serve them in WebP or AVIF, at the size they're shown, and lazy-load what's below the fold.
- Scripts: remove plugins and trackers you no longer use, and load chat widgets after the page.
- Fonts: use one or two weights and preload the one in the first screen.
- Hosting: a server close to your visitors and a CDN cut the first wait for every page.
New to these numbers? Read Core Web Vitals explained, or see why a site doesn't show up on Google. To check whether AI assistants can read your site as well, try the AI crawler checker.
FAQ
Questions
What does the free audit check?
It runs your page through Google PageSpeed Insights on mobile and desktop, then shows your performance scores and Core Web Vitals (LCP, INP and CLS) with a prioritised list of what to fix.
How long does it take, and do I need to sign up?
About 30 seconds, and no signup is needed. You can run up to three audits a day.
What counts as a good score?
For Core Web Vitals, aim for LCP of 2.5 seconds or less, INP of 200 milliseconds or less, and CLS of 0.1 or less. A performance score of 90 or more is good; 50 to 89 needs work; under 50 is poor.
Why is my mobile score lower than desktop?
The mobile test simulates a mid-range phone on a slower network, so heavy images, large scripts and web fonts cost far more time than on a desktop. Most visitors in India browse on phones, so the mobile score is the one to work on first.
Is this the same as Google's Mobile-Friendly Test?
Google retired its Mobile-Friendly Test in December 2023 and pointed people to Lighthouse, which is what PageSpeed Insights runs. This audit shows the same Lighthouse performance data for your page on mobile and desktop.
My score changes each time I run it. Why?
Lab tests vary a little with server response time, network conditions and third-party scripts such as chat widgets and ads. Run it two or three times and look at the trend, not one number.
Speed optimisation
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