Kilotest: Diagnoses of attribute value invalid violation by HTML element 623 on California YIMBY Education Fund page

Here is how tools diagnose the attribute value invalid issue for HTML element 623 of the California YIMBY Education Fund page.

Basics

• About the attribute value invalid issue
  • Why it matters: Item behaves improperly
  • Priority: highest
  • Related WCAG standard: 1.3.1
• About the California YIMBY Education Fund page
  • URL: https://cayimby.org/
  • Tested on 2026-04-02 at 14:22
• About HTML element 623
  • Take me there
  • Tag name: IFRAME
  • Text: Skip to content … Search
  • Start tag: <iframe id="bugherd_embed_communication_frame" name="embedCommunication" sandbox="allow-scripts allow-popups allow-same-origin allow-popups-to-escape-sandbox allow-storage-access-by-user-activation" src="https://sidebar.bugherd.com/sidebar/embed_html?apikey=8kgxeq48xzx0184gui2pog" style="display: none; border-width: medium; border-style: none; border-color: currentcolor; border-image: initial; position: fixed; z-index: 2147483647; right: 0px; height: 144px; width: 330px; top: calc(100% - 154px);">
  • XPath: /html/body/iframe[1]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. Bad value allow-scripts allow-popups allow-same-origin allow-popups-to-escape-sandbox allow-storage-access-by-user-activation for attribute sandbox on element iframe: The string allow-storage-access-by-user-activation is not a valid keyword.

   Tool: Html Checker API (World Wide Web Consortium)