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About Webperf.se

Webperf.se monitors and compares the quality of Swedish websites, primarily in the public sector. The results are open for anyone to read.

The purpose

  1. Apply pressure on organisations whose websites don't measure up
  2. Give tools to those who want to improve theirs
  3. Enable comparison between similar organisations
  4. Make progress visible over time

What is tested?

The same tests as in Webperf Core, because it's exactly the same engine:

  • Web performance with Sitespeed.io and Lighthouse
  • Accessibility with Pa11y and Axe
  • Security and privacy with Webbkoll and built-in checks
  • Standards compliance for HTML, CSS and JavaScript
  • Energy efficiency
  • Email and DNS

See the full list

Four tests only available here

Four tests are retired in Webperf Core but still offered by Webperf.se, Premium and Webperf Cloud. So you can see them in a result, but you cannot run them yourself from the command line.

No Test What it says
1 Web performance according to Google Lighthouse A speed test from Google
4 Search Engine Optimization (SEO) according to Google Lighthouse Whether the site is good at reaching people through search engines
5 Good practice according to Google Lighthouse Whether the site follows good web development practice
10 Accessibility according to Axe Whether the site is designed accessibly. Measured with a mobile user's conditions

If you run Webperf Core yourself, the same areas are covered by 30 – Lighthouse and 18 – Accessibility (Pa11y). The difference is that you get one score per test instead of four separate ones.

The names for every test number are in GET /v1/tests. That endpoint is open and needs no key.

Which websites are listed?

  • The Swedish public sector: municipalities, regions and government agencies
  • Nationally important websites: including political parties and democracy-related services
  • Private websites covered by the accessibility directive: since 2023

Technical requirements

  • The website must have its own domain or subdomain
  • It must have representative content, so not "under construction"
  • The start page is defined as the domain without a www prefix

What does it cost?

Being listed is free for websites that meet the criteria. Webperf Cloud is a paid service for those who want more frequent tests, history, reports, the ability to test their own environments, and support to ask when something goes wrong.

Read on

  • Grading


    How individual scores, category scores and the overall score are calculated.

  • Categories


    How websites are grouped so the comparisons stay fair.

  • Testing


    Where the tests run from and how often.

  • FAQ


    Answers to what we're asked most.