Kilotest: Diagnoses of attribute obsolete violation by HTML element 127 on Institute for Progress US Energy Data Electricity Demand page

Basics

About the page

• URL: https://usenergydata.org/electricity-demand/
• Tested 3 days ago on 2026-10-07 at 21:52 by job 261007T2132-e35
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 11
    • Reported any rule violations: 10
  • Violations: 1524
  • Violators: 204
  • Issues: 40
• Download the full technical report (JSON)

About the issue

• Why it matters: Page includes obsolete code that the browser may fail to process
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (ASLint)
• Violations: 6
• Violators: 6

About the violator

• Tag name: DIV
• Text: Open full chart ↗
• Start tag: <div class="chart-embed">
• XPath: /html/body/div[2]/div[1]/div[3]/div[2]
• Bounding box: x = 646, y = 3172, width = 904, height = 778
• Reported by ASLint

Diagnoses

Here is how rule engines diagnose the attribute obsolete issue for HTML element 127 of the Institute for Progress US Energy Data Electricity Demand page.

1. The following attributes <code>scrolling</code> are obsolete (though the elements are still part of the language), and must not be used by authors.

   Rule engine: ASLint (eSSENTIAL Accessibility)

   Rule: obsolete_html_attributes