Kilotest: Diagnoses of text contrast improvable violation by HTML element 724 on Virtual Science Teachers page

Basics

About the page

• URL: https://virtualscienceteachers.org/
• Tested 3 days ago on 2026-10-07 at 23:08 by job 261007T2305-1s9
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1118
  • Violators: 496
  • Issues: 47
• Download the full technical report (JSON)

About the issue

• Why it matters: Content is not easy to understand
• Priority: lowest
• Related WCAG standard: 1.4.6
• Reported by 7 rule engines (Alfa + ASLint + Axe + HTML CodeSniffer + Pour + QualWeb + SureA11y)
• Violations: 154
• Violators: 73

About the violator

• Tag name: P
• Text: Want fresh science ideas delivered to your inbox? The Penguin Post shares free resources, printables, and classroom wins for teachers each week.
• Start tag: <p class="newsletter-lead">
• XPath: /html/body/div[1]/div[1]/div[1]/div[1]/div[1]/div[2]/div[1]/div[1]/div[2]/section[3]/div[1]/p[1]
• Bounding box: x = 641, y = 2303, width = 637, height = 52
• Reported by HTML CodeSniffer

Take me there

Diagnoses

Here is how rule engines diagnose the text contrast improvable issue for HTML element 724 of the Virtual Science Teachers page.

1. This element has insufficient contrast at this conformance level. Expected a contrast ratio of at least 7:1, but text in this element has a contrast ratio of NaN:1.

   Rule engine: HTML CodeSniffer (Squiz Labs)

   Rule: E-WCAG2AAA.Principle1.Guideline1_4.1_4_6.G17.Fail