Our commitment
Cassandra is committed to meeting WCAG 2.2 Level AA across the marketing site and the application. Accessibility is foundational to the product. We design for the people most likely to be excluded, then verify that it works for everyone else.
This commitment is not a checkbox. It is an ongoing practice. We test, iterate, and publish what we find. If something falls short, tell us and we will fix it.
Data visualization accessibility
Data is at the heart of Cassandra. That makes accessibility for visual data the heart of accessibility for the platform.
- Structured text alternatives: Every chart ships with a written description of the trend, range, and key inflection points, not just a static alt text
- Data tables for every chart: The underlying data is available in a navigable table next to each visualization for screen readers, keyboard users, and anyone who prefers data to graphics
- ARIA descriptions on chart regions: Each interactive chart region is labeled and described so assistive technology users can explore the data series, axes, and confidence intervals
- Plain-language summaries: Every visualization comes with a plain-language summary that explains what the chart shows, what the trend means, and what the uncertainty looks like
- Color is never the only signal: Trend direction, threshold crossings, and uncertainty are conveyed through patterns, labels, and shapes in addition to color
- High-contrast palettes: Chart colors are tested against WCAG contrast standards. A high-contrast theme is available for users who need it
Site-wide measures
- Semantic HTML: Proper heading hierarchy, landmark regions, and meaningful structure on every page
- Keyboard navigation: Every feature is accessible using keyboard alone, no mouse required
- Screen reader support: Designed for use with NVDA, JAWS, and VoiceOver. Testing in progress as the application takes shape
- Focus indicators: Visible focus rings on all interactive elements
- Skip-to-content link: Available on every page
- Contrast ratios: 4.5:1 minimum for normal text, 7:1 for critical content
- Reduced motion: Animations disabled for users who set the preference
- No time-dependent interactions: No session timeouts that could exclude users, no auto-advancing content
- Touch targets: 44px minimum on mobile to meet WCAG 2.2 target size requirements
Known limitations
Cassandra is pre-launch. We are transparent about areas where accessibility is still in progress:
- Application screens: The full application is in development. Accessibility audits will run before public launch
- Interactive map components: Geospatial visualizations have inherent accessibility complexity. We are designing keyboard and screen reader pathways from the first wireframe, but these will be among the most actively tested components at launch
- Third-party data feeds: Some upstream peer-reviewed data sources include charts or PDFs that we cannot guarantee meet WCAG. Where those sources are linked, we summarize the relevant findings in accessible form
Report an issue
If you encounter an accessibility barrier on this site or in the application, please let us know. We take every report seriously and work to resolve issues promptly.
Email: support@lonia.ai
Please include:
- A description of the barrier you encountered
- The page or feature where it occurred
- Your assistive technology (screen reader, browser, operating system)
Third-party testing
Independent accessibility auditing is planned for 2026 once the application reaches feature-complete status. Results and any identified remediation steps will be published here.