Kilotest: Diagnoses of focusable element hidden violation by HTML element 209 on Centre for Effective Altruism page

Basics

About the Centre for Effective Altruism page

• URL: https://www.effectivealtruism.org/
• Tested 38 days ago by job 6gw on 2026-04-24 at 21:54

About HTML element 209

• Tag name: BUTTON
• Text: Get more ideas on how to make a difference … 60k+ subscribers getting impactful ideas in their inbox
• Start tag: <button class="css-t8c94f-NewsletterPopup-dismiss">
• XPath: /html/body/div[1]/div[1]/div[1]/main[1]/div[1]/button[1]
• Bounding box: x = 1851, y = 790, width = 20, height = 23

Take me there

About the focusable element hidden issue

• Why it matters: Keyboard-only user cannot navigate properly to the operable items
• Priority: highest
• Related WCAG standard: 4.1.2

Diagnoses

Here is how tools diagnose the focusable element hidden issue for HTML element 209 of the Centre for Effective Altruism page.

1. Element "button" should not be focusable within the subtree of an element with an 'aria-hidden' attribute with value 'true'

   Tool: Accessibility Checker (IBM)

   Rule: aria_hidden_nontabbable