Kilotest: Diagnoses of image dubiously marked decorative violation by HTML element 386 on Mozilla Foundation page

Here is how tools diagnose the image dubiously marked decorative issue for HTML element 386 of the Mozilla Foundation page.

Basics

• About the image dubiously marked decorative issue
  • Why it matters: Helper ignores an image that is apparently informative
  • Priority: lowest
  • Related WCAG standard: 1.1.1
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 386
  • Tag name: IMG
  • Text: [not applicable]
  • Start tag: <img src="https://www.mozilla.org/media/img/home/2024/donate-1450.87d1ed669993.jpg" srcset="https://www.mozilla.org/media/img/home/2024/donate-375.90f70fd3ca8e.jpg 375w,https://www.mozilla.org/media/img/home/2024/donate-573.6ffd775891b3.jpg 573w,https://www.mozilla.org/media/img/home/2024/donate-720.0311101afe23.jpg 720w,https://www.mozilla.org/media/img/home/2024/donate-976.39956be50dc0.jpg 976w,https://www.mozilla.org/media/img/home/2024/donate-1128.a205992009db.jpg 1128w,https://www.mozilla.org/media/img/home/2024/donate-1232.149f42cc5f54.jpg 1232w,https://www.mozilla.org/media/img/home/2024/donate-1450.87d1ed669993.jpg 1450w" sizes="(min-width: 768px) calc((100vw - 32px) / 2),(min-width: 1311px) calc((100vw - 64px) / 2),(min-width: 1440px) 680px,calc(100vw - 32px)" alt="" width="1450" height="725">
  • XPath: /html/body/div[2]/main[1]/div[4]/div[1]/div[2]/img[1]
  • Bounding box: x = 1084, y = 1939, width = 564, height = 282

Diagnoses

1. Img element is marked so that it is ignored by Assistive Technology.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: W-WCAG2AAA.Principle1.Guideline1_1.1_1_1.H67.2