Kilotest: Violations of attribute invalid issue for Tradeoffs page

Basics

About the Tradeoffs page

• URL: https://tradeoffs.org/
• Tested 29 days ago by job 5g2 on 2026-06-20 at 13:59

About the attribute invalid issue

• Why it matters: Item behaves improperly
• Priority: highest
• Related WCAG standard: 1.3.1
• Reported by 1 rule engine (Html Checker API)
• 24 violators were reported

Violators

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

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• Element 135

  • XPath: /html/body/aside[1]/nav[1]
  • Tag name: NAV
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 150

  • XPath: /html/body/aside[1]/nav[2]
  • Tag name: NAV
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 158

  • XPath: /html/body/aside[1]/nav[2]/ul[1]/li[3]/button[1]
  • Tag name: BUTTON
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 162

  • XPath: /html/body/aside[1]/nav[2]/ul[1]/li[3]/button[1]/span[1]
  • Tag name: SPAN
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 172

  • XPath: /html/body/aside[1]/nav[2]/ul[1]/li[4]/button[1]
  • Tag name: BUTTON
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 176

  • XPath: /html/body/aside[1]/nav[2]/ul[1]/li[4]/button[1]/span[1]
  • Tag name: SPAN
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 264

  • XPath: /html/body/div[1]/header[1]
  • Tag name: HEADER
  • Text: LISTEN READ PROJECTS … Cost of Care Health Equity Health Law Health Technology Insurance Mental Health Public Health Workforce
  • Reported by Html Checker API
  • Take me there
  • What diagnoses were reported?

• Element 348

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/button[1]
  • Tag name: BUTTON
  • Text: Menu
  • Reported by Html Checker API
  • Take me there
  • What diagnoses were reported?

• Element 269

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[1]/div[1]/nav[1]
  • Tag name: NAV
  • Text: LISTEN READ PROJECTS … Open dropdown menu
  • Reported by Html Checker API
  • Take me there
  • What diagnoses were reported?

• Element 277

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[1]/div[1]/nav[1]/ul[1]/li[3]/button[1]
  • Tag name: BUTTON
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 281

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[1]/div[1]/nav[1]/ul[1]/li[3]/button[1]/span[1]
  • Tag name: SPAN
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 291

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[1]/div[1]/nav[1]/ul[1]/li[4]/button[1]
  • Tag name: BUTTON
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 295

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[1]/div[1]/nav[1]/ul[1]/li[4]/button[1]/span[1]
  • Tag name: SPAN
  • Text: Open dropdown menu
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 321

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[3]/div[1]/nav[1]
  • Tag name: NAV
  • Text: DONATE NEWSLETTER
  • Reported by Html Checker API
  • Take me there
  • What diagnoses were reported?

• Element 328

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[3]/div[2]/button[1]
  • Tag name: BUTTON
  • Text: Open Search
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 329

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[3]/div[2]/button[1]/span[1]
  • Tag name: SPAN
  • Text: Open Search
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 338

  • XPath: /html/body/div[1]/header[1]/div[1]/div[1]/div[3]/div[2]/div[1]
  • Tag name: DIV
  • Text: Search for: … Search
  • Reported by Html Checker API
  • Take me there
  • What diagnoses were reported?

• Element 716

  • XPath: /html/body/div[4]/div[1]/div[1]/div[2]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 722

  • XPath: /html/body/div[4]/div[1]/div[1]/div[3]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 728

  • XPath: /html/body/div[4]/div[1]/div[2]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 743

  • XPath: /html/body/div[4]/div[1]/div[3]/div[1]/div[3]/a[1]/span[1]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 750

  • XPath: /html/body/div[4]/div[1]/div[3]/div[1]/div[3]/a[2]/span[1]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 781

  • XPath: /html/body/div[4]/div[1]/div[3]/div[2]/div[1]/div[3]/a[1]/svg[1]/mask[1]
  • Tag name: mask
  • Reported by Html Checker API
  • What diagnoses were reported?

• Element 776

  • XPath: /html/body/div[4]/div[1]/div[3]/div[2]/div[1]/div[3]/div[1]/div[1]/h3[1]
  • Tag name: H3
  • Reported by Html Checker API
  • What diagnoses were reported?