Kilotest: Diagnoses of attribute value invalid violation by HTML element 38 on California Groundbreakers page

Here is how tools diagnose the attribute value invalid issue for HTML element 38 of the California Groundbreakers 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 Groundbreakers page
  • URL: https://www.californiagroundbreakers.org/
  • Tested on 2026-04-02 at 14:21
• About HTML element 38
  • Tag name: SCRIPT
  • Text: [not applicable]
  • Start tag: <script type="text/javascript" crossorigin="anonymous" defer="true" src="//assets.squarespace.com/@sqs/polyfiller/1.6/modern.js">
  • XPath: /html/head[1]/script[4]
  • Bounding box: x = 0, y = 0, width = 0, height = 0

Diagnoses

1. Bad value true for attribute defer on element script.

   Tool: Html Checker API (World Wide Web Consortium)