Put your website
to the test.

Find what’s working. See what needs attention.
Run the real Webperf Core tests, in one place.

MEASURE / UNDERSTAND / IMPROVE

What would you like to test?

Website address

↗

A public page. We’ll add https:// if you leave it out.

Choose your checks

3 selected

Review or customise tests

Foundations404 pageA useful response when a page is missing.2Standard filesRobots, sitemap and essential site files.9HTTP & networkConnections, protocols and transport security.21

ExperienceLighthousePerformance, accessibility, best practices and SEO.30Accessibility · Pa11yAutomated accessibility checks in a real browser.18Accessibility statementStatement discovery and content. Alpha test.26Performance · SitespeedBrowser-based loading and page measurements.15

Code qualityCSS qualityStylesheet checks with Stylelint.27HTML qualityMarkup checks with html-validate.28JavaScript qualityScript checks with ESLint.29

SpecialistPrivacy · WebbkollUses an external Webbkoll service; availability can vary.20Energy efficiencyEstimated efficiency using Webperf’s methodology.22Tracking & integrityTracking checks; geolocation data may be required.23EmailDomain email configuration. Beta test.24SoftwareSoftware identification; some enrichment needs external data.25Privacy · browser backendBrowser-based Webbkoll privacy checks.31DNS · ZonemasterUnavailable: requires a separate Docker runner that is not configured here.32

Report languageTiming depends on the tests and website.

Runs on your GitHub account.
Actions usage limits apply.

FROM TEST TO NEXT STEP

Evidence you
can act on.

A fresh run

GitHub starts an isolated runner with Webperf’s browser tooling.

The original findings

Read Webperf’s scores and improvement notes, with diagnostic logs.

Keep the evidence

Download your results. Reports stay available on GitHub for 30 days.

Automated tests are a starting point. Accessibility still needs human review.

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