Kilotest: Diagnoses of attribute value invalid violation by HTML element 0 on Synchronicity Earth USA page

Basics

About the page

• URL: https://www.synchronicityearthusa.org/
• Tested 3 days ago on 2026-10-07 at 23:21 by job 261007T2305-mxz
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1476
  • Violators: 529
  • Issues: 62
• Download the full technical report (JSON)

About the issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1
• Reported by 1 rule engine (Html Checker)
• Violations: 6
• Violators: 3

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html class="ua-chrome ua-chrome-153 ua-chrome-153-0 ua-chrome-153-0-8010 ua-chrome-153-0-8010-12 ua-desktop ua-desktop-macintosh ua-mac_os_x ua-mac_os_x-10 ua-mac_os_x-10-15 ua-mac_os_x-10-15-7 ua-webkit ua-webkit-537 ua-webkit-537-36 js no-applicationcache geolocation history postmessage websockets localstorage sessionstorage no-websqldatabase webworkers hashchange audio canvas canvastext video webgl cssgradients multiplebgs opacity rgba inlinesvg hsla supports svgclippaths smil no-touchevents fontface generatedcontent textshadow cssanimations backgroundsize borderimage borderradius boxshadow flexbox cssreflections csstransforms csstransforms3d csstransitions" lang="en-GB" prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb#" data-useragent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.12 Safari/537.36">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 9453
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the attribute value invalid issue for HTML element 0 of the Synchronicity Earth USA page.

1. Bad value 100% for attribute width on element iframe: Expected a digit but saw % instead. Extract: cript[1]"><iframe class="vimeo_popup" src="https://player.vimeo.com/video/375877083?h=05bff3f244" width="100%" height="100%" frameborder="0" allowfullscreen="allowfullscreen"></ifra

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Bad value 100% for attribute width on element iframe: Expected a digit but saw % instead.

2. Bad value 100% for attribute height on element iframe: Expected a digit but saw % instead. Extract: cript[1]"><iframe class="vimeo_popup" src="https://player.vimeo.com/video/375877083?h=05bff3f244" width="100%" height="100%" frameborder="0" allowfullscreen="allowfullscreen"></ifra

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Bad value 100% for attribute height on element iframe: Expected a digit but saw % instead.