Frequently asked questions
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Product
What is Metrical?
Metrical is a web performance auditing tool. You enter a URL, and it runs a full performance scan. We measure Core Web Vitals, load times, and other key metrics. We then explain the results in plain English and give you a prioritised list of things to fix.
What are Core Web Vitals?
Core Web Vitals are a set of metrics defined by Google that measure real-world user experience: Largest Contentful Paint (LCP) measures loading speed, Interaction to Next Paint (INP) measures responsiveness, and Cumulative Layout Shift (CLS) measures visual stability. Google uses these scores as a ranking signal, so improving them can directly help your search visibility.
How is this different from Google PageSpeed Insights?
Google PageSpeed Insights gives you raw scores and a list of potential improvements. Metrical goes further: it prioritises what actually matters for your specific site, explains each issue in plain language, and gives you an actionable plan rather than a list of every possible optimisation. It also lets you test different devices, locations, and connection speeds.
Does it work with SPAs, React, or Next.js sites?
Yes. Metrical uses real browser-based testing, so it measures what users actually experience on your site regardless of how it's built. This includes client-side rendered React apps, Next.js, Vue, or any other framework.
How long does a scan take?
Most scans complete in 30–90 seconds. The exact time depends on the size of the page being scanned, the device and location settings you choose, and current queue load.
Pricing & Plans
What's the difference between the free and paid plans?
The free plan gives you 3 scans per month with Core Web Vitals and a stripped-down Deep Dive report. Paid plans (Hobby and Pro) unlock the full Deep Dive analysis (a more detailed breakdown of what is causing your scores) and the Action Plan, which is a personalised, prioritised list of fixes. Paid plans also include more scans per month and the ability to download PDF reports. See the pricing page for the full comparison.
How many scans can I run per month?
Free plan: 3 scans/month. Hobby plan: 25 scans/month. Pro plan: higher limits suited for professional use. Scans reset at the start of each billing cycle.
Do you offer refunds?
If you are not happy with your purchase, contact us within 14 days and we will issue a full refund.
Can I cancel my subscription at any time?
Yes. You can cancel from your account settings at any time. You will retain access to your plan until the end of the current billing period.
Technical
What devices and locations can I test from?
You can choose between mobile and desktop device profiles, and select from several geographic locations to simulate how your site performs for users in different regions. Connection speed presets (e.g. fast 4G, slow 3G) are also available on paid plans.
Is my data private?
Scan results are stored and associated with your account. We do not share your results with third parties. See the Privacy Policy for full details on how your data is handled.
Can I scan any URL?
You can scan any publicly accessible URL. Private pages, password-protected content, or pages behind a login wall cannot be scanned, as the scanner operates like a regular browser visiting your page without authentication.
Support
How do I get help if something is not working?
The best way to get help is via the contact page. Metrical is an indie product, so responses may not be instant. But every message is read and responded to.
I found a bug. How do I report it?
Please get in touch with a description of what happened, the URL you were scanning, and any error messages you saw. The more detail you can provide, the faster it can be investigated.