Kilotest: Diagnoses of option groups not marked? violation by HTML element 1039 on Mozilla Foundation page

Basics

About the Mozilla Foundation page

• URL: https://www.mozilla.org/en-US/
• Tested 30 days ago by job 9wj on 2026-05-03 at 04:32

About HTML element 1039

• Tag name: SELECT
• Text: aragonés … 正體中文 (繁體)
• Start tag: <select id="page-language-select" class="mzp-js-language-switcher-select" name="lang" dir="ltr" data-testid="footer-language-select" data-previous-language="en-US">
• XPath: /html/body/div[2]/footer[1]/div[2]/div[2]/div[1]/form[1]/select[1]
• Bounding box: x = 1392, y = 7794, width = 256, height = 40

Take me there

About the option groups not marked? issue

• Why it matters: User may be unable to get help recognizing groups of options
• Priority: lowest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how tools diagnose the option groups not marked? issue for HTML element 1039 of the Mozilla Foundation page.

1. If this selection list contains groups of related options, they should be grouped with optgroup.

   Tool: HTML CodeSniffer (Squiz Labs)

   Rule: W-WCAG2AAA.Principle1.Guideline1_3.1_3_1.H85.2