docker.io Accessibility Report

Accessibility audit of docker.io — scanned on Feb 20, 2026

Technology
0 /100
D Poor

6 issues found across 2 categories

2 Critical 4 Major

WCAG Compliance Overview

Perceivable 2 issues
Operable 3 issues
Understandable 0 issues
Robust 1 issues

Issues Found

Links missing accessible name

Critical

Links must have discernible text so screen reader users understand their purpose.

WCAG 2.4.4
1 element(s) affected
  • <a href="/">
How to fix

Add text content, aria-label, or aria-labelledby to links. Avoid empty <a> tags.

Videos missing captions

Critical

Video content must have captions for deaf and hard-of-hearing users.

WCAG 1.2.2
2 element(s) affected
  • <video> "/app/uploads/brand/background/DOCKER_hero_loop_opacity-reduc"
  • <video> "/app/uploads/2025/11/AgenticCompose-web-1080.mp4"
How to fix

Add closed captions or subtitles to all video content.

Heading levels skip order

Major

Headings should follow a logical order (h1 → h2 → h3) without skipping levels.

WCAG 1.3.1
6 element(s) affected
  • <h4> "Apache 2.0 freedom" (after h2)
  • <h4> "All your MCP tools in one place" (after h2)
  • <h4> "Compose for agents" (after h2)
  • <h4> "Everything you need to build locally" (after h2)
  • <h4> "Five pillars of supply chain security" (after h2)
How to fix

Restructure headings to follow sequential order. Don't skip from h1 to h3.

Frames missing title

Major

Iframes must have title attributes describing their content.

WCAG 2.4.1
1 element(s) affected
  • <iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WL2QLG5">
How to fix

Add descriptive title attributes to all <iframe> elements.

Duplicate element IDs

Major

Element IDs must be unique to ensure correct assistive technology behavior.

WCAG 4.1.1
22 element(s) affected
  • id="dkr_head_offload"
  • id="dkr_head_docker_hardened_images"
  • id="dkr_dd_hp_mac_apple"
  • id="dkr_dd_hp_mac_intel"
  • id="dkr_dd_hp_windows"
How to fix

Make each id attribute value unique within the page.

No skip navigation link

Major

Pages should have a mechanism to bypass repeated navigation blocks.

WCAG 2.4.1
1 element(s) affected
  • No skip navigation link found
How to fix

Add a 'Skip to main content' link as the first focusable element on the page.

Top Priority Fixes

Here are the most impactful changes docker.io should make to improve accessibility:

  1. #1
    Videos missing captions Critical

    Add closed captions or subtitles to all video content.

  2. #2
    Links missing accessible name Critical

    Add text content, aria-label, or aria-labelledby to links. Avoid empty <a> tags.

  3. #3
    Duplicate element IDs Major

    Make each id attribute value unique within the page.

Frequently Asked Questions

Is docker.io accessible?

docker.io scored 38/100 (grade D) on our accessibility audit. This score reflects automated checks against WCAG 2.1 Level AA criteria.

Is docker.io WCAG compliant?

Our scan found 6 accessibility issues on docker.io. Full WCAG compliance requires addressing all critical and major issues identified above.

Is docker.io EAA compliant?

The European Accessibility Act requires websites to meet WCAG 2.1 AA standards. Check the detailed report above to see docker.io's compliance status.

What accessibility issues does docker.io have?

See the full issue list above with severity levels, affected elements, and recommended fixes for docker.io.

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