Kilotest: Diagnoses of code obsolete violation by HTML element 128 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 contains code that is no longer standard
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Accessibility Checker)
• Violations: 6
• Violators: 6

About the violator

• Tag name: IFRAME
• Text: Open full chart ↗
• Start tag: <iframe loading="lazy" src="/charts/load-growth-twh/?embedded=true" height="740" scrolling="no" title="Year-on-year change in electricity consumption (TWh)">
• XPath: /html/body/div[2]/div[1]/div[3]/div[2]/iframe[1]
• Bounding box: x = 647, y = 3173, width = 902, height = 740
• Reported by Accessibility Checker

Diagnoses

Here is how rule engines diagnose the code obsolete issue for HTML element 128 of the Institute for Progress US Energy Data Electricity Demand page.

1. The HTML attribute(s) "scrolling" is deprecated for the <iframe> element in HTML 5

   Rule engine: Accessibility Checker (IBM)

   Rule: element_attribute_deprecated