Kilotest: Violations of attribute invalid issue for Taproot Foundation contact page

Basics

About the page

• URL: https://taprootfoundation.org/contact
• Tested 2 days ago on 2026-10-07 at 22:20 by job 261007T2148-sru
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 11
    • Reported any rule violations: 11
  • Violations: 644
  • Violators: 233
  • Issues: 35
• 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)
• Violations: 47
• Violators: 22

Violators

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

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• Element 70

  • Tag name: HEADER
  • Text: Work With Us … Find Pro Bono Opportunities
  • Start tag: <header class="site-header" data-section-theme="inverse" x-data="{ open: null, mobileOpen: false, section: null }" x-effect="document.body.style.overflow = mobileOpen ? 'hidden' : ''" @keydown.escape.window="open = null; mobileOpen = false" @click.outside="open = null">
  • XPath: /html/body/header[1]
  • Bounding box: x = 0, y = 0, width = 1920, height = 105
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 90

  • Tag name: BUTTON
  • Text: Work With Us … Find Pro Bono Opportunities
  • Start tag: <button type="button" class="site-header__menu-toggle" aria-controls="site-header-mobile" :aria-expanded="mobileOpen" aria-label="Open menu" @click="mobileOpen = true" aria-expanded="false">
  • XPath: /html/body/header[1]/div[2]/button[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 94

  • Tag name: LI
  • Text: Work With Us
  • Start tag: <li class="site-header__item" @mouseenter="open = 'work-with-us'" @mouseleave="open = null">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[1]
  • Bounding box: x = 881, y = 32, width = 95, height = 72
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 95

  • Tag name: BUTTON
  • Text: Work With Us
  • Start tag: <button type="button" class="site-header__trigger" :class="{ 'is-open': open === 'work-with-us' }" aria-controls="site-header-panel-work-with-us" :aria-expanded="open === 'work-with-us'" @click="open = open === 'work-with-us' ? null : 'work-with-us'" aria-expanded="false">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[1]/button[1]
  • Bounding box: x = 881, y = 58, width = 95, height = 20
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 96

  • Tag name: DIV
  • Text: Taproot Plus … Explore
  • Start tag: <div id="site-header-panel-work-with-us" class="site-header__panel site-header__panel--cards" x-show="open === 'work-with-us'" x-transition.opacity="" style="display: none;">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[1]/div[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • Take me there
  • What diagnoses were reported?

• Element 119

  • Tag name: LI
  • Text: Advance Pro Bono
  • Start tag: <li class="site-header__item" @mouseenter="open = 'advance-pro-bono'" @mouseleave="open = null">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[2]
  • Bounding box: x = 1016, y = 32, width = 127, height = 72
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 120

  • Tag name: A
  • Text: Advance Pro Bono
  • Start tag: <a href="/advance-pro-bono" class="site-header__trigger" :class="{ 'is-open': open === 'advance-pro-bono' }" aria-controls="site-header-panel-advance-pro-bono" :aria-expanded="open === 'advance-pro-bono'" @click="if (open !== 'advance-pro-bono') { $event.preventDefault(); open = 'advance-pro-bono' }" aria-expanded="false">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[2]/a[1]
  • Bounding box: x = 1016, y = 58, width = 127, height = 20
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 121

  • Tag name: DIV
  • Text: Ignite Summit … Innovate With Us
  • Start tag: <div id="site-header-panel-advance-pro-bono" class="site-header__panel site-header__panel--cards" x-show="open === 'advance-pro-bono'" x-transition.opacity="" style="display: none;">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[2]/div[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 137

  • Tag name: LI
  • Text: Tools
  • Start tag: <li class="site-header__item" @mouseenter="open = 'tools'" @mouseleave="open = null">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[3]
  • Bounding box: x = 1183, y = 32, width = 35, height = 72
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 138

  • Tag name: A
  • Text: Tools
  • Start tag: <a href="/resources" class="site-header__trigger" :class="{ 'is-open': open === 'tools' }" aria-controls="site-header-panel-tools" :aria-expanded="open === 'tools'" @click="if (open !== 'tools') { $event.preventDefault(); open = 'tools' }" aria-expanded="false">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[3]/a[1]
  • Bounding box: x = 1183, y = 58, width = 35, height = 20
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 139

  • Tag name: DIV
  • Text: Helping you do pro bono right … Success Stories
  • Start tag: <div id="site-header-panel-tools" class="site-header__panel site-header__panel--links" x-show="open === 'tools'" x-transition.opacity="" style="display: none;">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[3]/div[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • Take me there
  • What diagnoses were reported?

• Element 156

  • Tag name: LI
  • Text: Mission
  • Start tag: <li class="site-header__item" @mouseenter="open = 'mission'" @mouseleave="open = null">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[4]
  • Bounding box: x = 1258, y = 32, width = 52, height = 72
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 157

  • Tag name: A
  • Text: Mission
  • Start tag: <a href="/about" class="site-header__trigger" :class="{ 'is-open': open === 'mission' }" aria-controls="site-header-panel-mission" :aria-expanded="open === 'mission'" @click="if (open !== 'mission') { $event.preventDefault(); open = 'mission' }" aria-expanded="false">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[4]/a[1]
  • Bounding box: x = 1258, y = 58, width = 52, height = 20
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 158

  • Tag name: DIV
  • Text: Powering what's possible … Careers
  • Start tag: <div id="site-header-panel-mission" class="site-header__panel site-header__panel--links" x-show="open === 'mission'" x-transition.opacity="" style="display: none;">
  • XPath: /html/body/header[1]/div[2]/nav[1]/ul[1]/li[4]/div[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • Take me there
  • What diagnoses were reported?

• Element 180

  • Tag name: NAV
  • Text: Search … Find Pro Bono Opportunities
  • Start tag: <nav id="site-header-mobile" class="site-header__mobile" aria-label="Main" x-show="mobileOpen" x-transition.opacity="" style="display: none;">
  • XPath: /html/body/header[1]/nav[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • Take me there
  • What diagnoses were reported?

• Element 193

  • Tag name: BUTTON
  • Text: [not applicable]
  • Start tag: <button type="button" class="site-header__menu-toggle" aria-label="Close menu" @click="mobileOpen = false">
  • XPath: /html/body/header[1]/nav[1]/div[1]/button[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 202

  • Tag name: BUTTON
  • Text: Mission
  • Start tag: <button type="button" class="site-header__mobile-row" :class="{ 'is-open': section === 'mission' }" aria-controls="site-header-mobile-mission" :aria-expanded="section === 'mission'" @click="section = section === 'mission' ? null : 'mission'" aria-expanded="false">
  • XPath: /html/body/header[1]/nav[1]/ul[1]/li[1]/button[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 204

  • Tag name: UL
  • Text: About & Impact … Careers
  • Start tag: <ul id="site-header-mobile-mission" class="site-header__mobile-sublist" x-show="section === 'mission'" style="display: none;">
  • XPath: /html/body/header[1]/nav[1]/ul[1]/li[1]/ul[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 218

  • Tag name: BUTTON
  • Text: Work With Us
  • Start tag: <button type="button" class="site-header__mobile-row" :class="{ 'is-open': section === 'work-with-us' }" aria-controls="site-header-mobile-work-with-us" :aria-expanded="section === 'work-with-us'" @click="section = section === 'work-with-us' ? null : 'work-with-us'" aria-expanded="false">
  • XPath: /html/body/header[1]/nav[1]/ul[1]/li[2]/button[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 220

  • Tag name: UL
  • Text: Taproot Plus … Grantmakers
  • Start tag: <ul id="site-header-mobile-work-with-us" class="site-header__mobile-sublist" x-show="section === 'work-with-us'" style="display: none;">
  • XPath: /html/body/header[1]/nav[1]/ul[1]/li[2]/ul[1]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • Take me there
  • What diagnoses were reported?

• Element 504

  • Tag name: SCRIPT
  • Text: [not applicable]
  • Start tag: <script id="" text="" charset="utf-8" type="text/javascript" src="https://my.hellobar.com/916e36101e75509b81b0782c35842b0320b39cab.js">
  • XPath: /html/body/script[3]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?

• Element 505

  • Tag name: SCRIPT
  • Text: [not applicable]
  • Start tag: <script id="" text="" charset="" type="text/javascript" src="https://static.klaviyo.com/onsite/js/klaviyo.js?company_id=YfKTRB">
  • XPath: /html/body/script[4]
  • Bounding box: [not obtained]
  • Reported by Html Checker
  • What diagnoses were reported?