Kilotest: Diagnoses of code obsolete violation by HTML element 256 on Mozilla Foundation page

Here is how tools diagnose the code obsolete issue for HTML element 256 of the Mozilla Foundation page.

Basics

• About the code obsolete issue
  • Why it matters: Document contains code that is no longer standard
  • Priority: high
  • Related WCAG standard: 4.1
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 256
  • Tag name: BLINK
  • Text: Products … About us
  • Start tag: <blink class="spacer-gif">
  • XPath: /html/body/nav[1]/div[1]/div[1]/blink[1]
  • Bounding box: x = 1548, y = 16, width = 100, height = 0

Diagnoses

1. The <blink> element is deprecated in HTML 5

   Tool: Accessibility Checker (IBM)

   Rule: element_attribute_deprecated