Kilotest: Violations of CSS invalid issue for Virtual Science Teachers contact page

Basics

About the page

• URL: https://virtualscienceteachers.org/contact/
• Tested 2 days ago on 2026-10-07 at 23:15 by job 261007T2305-b3x
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 606
  • Violators: 299
  • Issues: 35
• Download the full technical report (JSON)

About the issue

• Why it matters: Page cannot be properly displayed
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker)
• Violations: 2
• Violators: 2

Violators

Here are the HTML elements reported to violate rules belonging to the CSS invalid issue.

• Element 0

  • Tag name: HTML
  • Text: [not applicable]
  • Start tag: <html lang="en-US">
  • XPath: /html
  • Bounding box: x = 0, y = 0, width = 1920, height = 2395
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 343

  • Tag name: HEADER
  • Text: Home … Search
  • Start tag: <header data-particle_enable="false" data-particle-mobile-disabled="false" class="elementor-section elementor-top-section elementor-element elementor-element-a3bdbcf elementor-section-full_width elementor-section-height-min-height elementor-section-content-middle elementor-section-stretched elementor-section-height-default elementor-section-items-middle elementor-sticky elementor-sticky--effects elementor-sticky__spacer" data-id="a3bdbcf" data-element_type="section" data-e-type="section" data-settings="{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;stretch_section&quot;:&quot;section-stretched&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;laptop&quot;,&quot;tablet&quot;,&quot;mobile&quot;],&quot;sticky_offset&quot;:0,&quot;sticky_effects_offset&quot;:0,&quot;sticky_anchor_link_offset&quot;:0}" style="left: 0px; visibility: hidden; transition: none; animation: auto ease 0s 1 normal none running none;">
  • XPath: /html/body/div[1]/header[1]/header[2]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?