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Agency leaderboard — CWAC

Participating government agencies ranked by their Centralised Web Accessibility Checker (CWAC) scores.

CWAC monitoring programme

At the end of every quarter, starting , the Government Chief Digital Officer (GCDO) is using CWAC to scan publicly facing government websites for accessibility issues.

CWAC monitoring programme

CWAC scores — lower is better

CWAC counts the accessibility errors it finds on web pages. Each accessibility error is a failure of the Web Content Accessibility Guidelines (WCAG) 2.2, and a potential barrier to a disabled person. As such, low CWAC scores are better.

WCAG 2.2 — World Wide Web Consortium (W3C)

By combining the scores for all of an agency’s websites, we can get a score for the agency. Refer to the ‘Agency leaderboard’ table below for the latest CWAC scores for agencies taking part in the CWAC monitoring programme.

Agency leaderboard

A score of 0 is the best score, as it means there were no errors detected on any of the agency’s web pages that CWAC tested. A score of 100 means there was at least 1 accessibility error found on every page tested.

What the scores represent

Automated accessibility testing tools like CWAC can only find some WCAG failures. This means CWAC scores are not accessibility or WCAG conformance scores. Manual testing is still required to properly assess accessibility.

CWAC scores show how well agencies are using automated accessibility testing on their websites.

A digitally mature agency that regularly uses automated testing and fixes issues as they happen can expect a low CWAC score. An agency that does not use automated testing regularly to find and fix issues early can expect a high CWAC score.

For more information, read the blog post, CWAC monitoring programme: collecting and using the data responsibly.

How the scores are calculated

Scores are based on a random sample of web pages

Questions or feedback

Email web.standards@gdda.govt.nz if you:

  • have questions about CWAC or the Web Accessibility Standard
  • need advice on how to move your agency up the leaderboard
  • want to give us feedback about these pages.

Agency leaderboard

In the table below:

  • The Change column shows the difference from the previous scan on 17 December 2025.
  • N/A means no prior score for comparison.

Table 1. Agency CWAC scores — 30 March 2026

Agency Score Change
Family Violence and Sexual Violence Executive Board 0 0
National Emergency Management Agency 0 -1
Aroturuki Tamariki 1 +1
Ministry of Health 1 -2
New Zealand Security Intelligence Service 1 0
Whaikaha 1 -1
Ministry for Culture and Heritage 3 -7
Ministry for Women 3 -97
Natural Hazards Commission 5 +1
New Zealand Police 5 -39
Ministry of Defence 6 -1
Serious Fraud Office 7 -10
Social Investment Agency 7 -44
Inland Revenue Department 9 -17
Charter School Agency 11 +7
Ministry of Foreign Affairs and Trade 14 -57
Ministry of Justice 14 -10
Oranga Tamariki 14 -27
Statistics New Zealand 22 -78
Education Review Office 24 -31
Public Service Commission 24 -25
Ministry of Housing and Urban Development 25 -15
Parliamentary Counsel Office 25 -10
Ministry for Regulation 26 +4
Government Communications Security Bureau 28 -1
Ministry of Social Development 32 -10
Te Puni Kōkiri 43 -7
Financial Markets Authority 46 -54
Health New Zealand 52 -7
Ministry of Business, Innovation and Employment 53 -1
Ministry for Primary Industries 61 +3
Ministry for the Environment 61 +1
Department of Conservation 65 -17
The Treasury 65 -8
Department of Internal Affairs 66 +3
Land Information New Zealand 66 0
Department of Corrections 68 -4
Department of the Prime Minister and Cabinet 74 -1
Te Tari Whakatau 74 -6
Ministry of Education 75 +1
Ministry of Transport 79 -21
New Zealand Defence Force 90 +8
Ministry for Ethnic Communities 99 0
New Zealand Customs Service 99 -1
Cancer Control Agency 100 0
Crown Law Office 100 0
Ministry for Pacific Peoples 100 0

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