Power BI Dashboards are not fully accessible

• Power BI dashboards are not fully compatible with screen readers or keyboard navigation
• Screen readers:
  • Cannot reliably interpret charts (no axis/data relationships)
  • Provide incomplete or confusing output
• Keyboard users:
  • Must use non-standard keyboard commands
  • Navigation is inconsistent and unintuitive

👉 Impact: Violates WCAG:

• 1.3.1 (Info and Relationships)
• 2.1.1 (Keyboard)
• 4.1.2 (Name, Role, Value)

• Data is presented visually (charts/graphs) without:
  • Equivalent text summaries
  • Accessible data tables
• WCAG requires non-visual alternatives for complex visuals

👉 Impact:

• 1.1.1 (Non-text Content)
• 1.3.1 (Info and Relationships)

• Power BI is embedded via an <iframe>
• Common issues:
  • Missing or non-descriptive iframe title
  • Screen readers only announce generic “Power BI report”

👉 Impact:

• 2.4.1 (Bypass Blocks)
• 4.1.2 (Name, Role, Value)

• Government guidance recommends:
  • Providing alternative access (tables, downloadable data, summaries)
• This page appears to rely solely on the dashboard

👉 Impact:

• 1.1.1 (Non-text Content)
• 1.3.1 (Info and Relationships)

• Requires:
  • Entering iframe
  • Using Power BI-specific commands (e.g., Ctrl + Enter)
• Not aligned with standard web navigation

👉 Impact:

• 2.1.1 (Keyboard)
• 2.1.2 (No Keyboard Trap)

• Focus may:
  • Get trapped inside dashboard components
  • Not visibly indicate location
• Users must press ESC multiple times to exit

👉 Impact:

• 2.4.3 (Focus Order)
• 2.4.7 (Focus Visible)

Typical Power BI issues include:

• Controls without proper labels
• Interactive elements not announced clearly

👉 Impact:

• 4.1.2 (Name, Role, Value)

• Some controls (e.g., pagination) may:
  • Not be announced properly
  • Not indicate clickability

👉 Impact:

• 2.4.6 (Headings and Labels)
• 4.1.2 (Name, Role, Value)

• Power BI reports often:
  • Use color alone to convey meaning
  • Fail contrast ratio (4.5:1 required)

👉 Impact:

• 1.4.1 (Use of Color)
• 1.4.3 (Contrast Minimum)

• Charts, icons, and visuals frequently:
  • Lack descriptive alt text
  • Or have generic descriptions

👉 Impact:

• 1.1.1 (Non-text Content)

• Power BI dashboards often:
  • Have illogical tab sequences
  • Jump between elements unpredictably

👉 Impact:

• 2.4.3 (Focus Order)

• Dense dashboards:
  • Require high interpretation effort
  • Lack simplified summaries

👉 Impact:

• 3.1.5 (Reading Level)
• 3.3.2 (Labels or Instructions)