Kilotest: Diagnoses of attribute value invalid violation by HTML element 599 on Hesperian Health Guides page

Basics

About the page

• URL: https://hesperian.org/
• Tested 3 days ago on 2026-10-07 at 21:37 by job 261007T2129-2eu
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 947
  • Violators: 295
  • Issues: 57
• Download the full technical report (JSON)

About the issue

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

About the violator

• Tag name: A
• Text: (510) 845-1447
• Start tag: <a href="tel:510 845 1447" style="font-size: 14px; color: white; line-height: 0px;">
• XPath: /html/body/div[1]/div[1]/div[9]/div[1]/div[4]/section[1]/div[1]/a[6]
• Bounding box: x = 1497, y = 2693, width = 94, height = 16
• Reported by Html Checker API

Take me there

Diagnoses

Here is how rule engines diagnose the attribute value invalid issue for HTML element 599 of the Hesperian Health Guides page.

1. Bad value tel:510 845 1447 for attribute href on element a: Illegal character after tel:. Space is not allowed.

   Rule engine: Html Checker API (World Wide Web Consortium)