Kilotest: Diagnoses of attribute value invalid violation by HTML element 727 on DubBot page

Basics

About the DubBot page

• URL: https://dubbot.com/
• Tested 13 days ago by job 8g6 on 2026-07-07 at 20:33

About HTML element 727

• Tag name: SCRIPT
• Text: [not applicable]
• Start tag: <script async="true" defer="true" id="hs-script-loader" src="//js.hs-scripts.com/2063147.js" type="text/javascript">
• XPath: /html/body/script[5]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the attribute value invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1

Diagnoses

Here is how rule engines diagnose the attribute value invalid issue for HTML element 727 of the DubBot page.

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

   Tool: Html Checker API (World Wide Web Consortium)

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

   Tool: Html Checker API (World Wide Web Consortium)