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Automated Photosensitivity QA for Web Apps
A developer tool and CI/CD plugin that automatically scans web applications and browser games for flashing lights that violate WCAG photosensitivity guidelines. This protects users and ensures accessibility compliance.
Why this matters
When building interactive web applications or browser games, you often inadvertently introduce animations or flashing effects that can trigger photosensitive epilepsy. You want your digital product to be accessible, but manually auditing every interaction state for flashing frequencies is tedious, highly technical, and prone to human error. Without automated checks, your users are left exposed to severe medical risks, and your business is vulnerable to immediate accessibility lawsuits and high bounce rates.
- · Built for Web development agencies, indie game studios, and corporate accessibility compliance teams..
- · Most likely monetization: SaaS subscription.
The Pain · Narrative
When building interactive web applications or browser games, you often inadvertently introduce animations or flashing effects that can trigger photosensitive epilepsy. You want your digital product to be accessible, but manually auditing every interaction state for flashing frequencies is tedious, highly technical, and prone to human error. Without automated checks, your users are left exposed to severe medical risks, and your business is vulnerable to immediate accessibility lawsuits and high bounce rates.
Score Breakdown
Market Signal
Go-to-Market
Frontend QA engineers and web accessibility consultants managing compliance for large digital agencies.
~30,000 active accessibility professionals globally.
SEO long-tail content around 'WCAG photosensitivity automated testing' and developer community outreach.
$49/month per project repository
10 digital agencies installing the beta GitHub Action for trial runs.
MVP Scope · 1–2 weeks
- Research exact WCAG 2.1 algorithmic thresholds for general and red flash limits
- Develop a core Python script to analyze a raw video file for luminance changes across frames
- Build a simple REST API to accept video uploads and return a pass/fail JSON response
- Write unit tests using known safe and unsafe flashing video samples
- Document the analysis logic and mathematical approach for transparency
- Develop a Playwright script to navigate a URL, interact with elements, and record a video
- Integrate the Playwright recording with the core luminance analysis API
- Create a basic frontend dashboard for users to submit URLs and view results
- Generate automated PDF compliance reports from the API results
- Launch a landing page targeting 'Automated Web Accessibility Flashing Checks'
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1Cloud-based headless browsers might drop frames, making accurate flash frequency measurement technically unreliable.
- 2Indie developers may simply opt to place a generic text warning rather than pay for automated testing software.
- 3Established accessibility suites (like Axe) could easily copy the feature and bundle it into their existing expensive enterprise tools.
Evidence Summary
How AI synthesized this insight — no verbatim quotes
Multiple commenters noticed uncomfortable visual flashing upon completing a web game. One user explicitly highlighted the need for programmatic ways to filter out potentially problematic flashing content for users with epilepsy, indicating a severe blind spot in current web application quality assurance processes.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Validate
Promising signals, but needs confirmation. Create a landing page, collect email sign-ups, then decide.
Landing Page Copy Kit
Ready-to-paste copy based on real Reddit community language — no editing required
Headline
Automated Photosensitivity QA for Web Apps
Sub-headline
A developer tool and CI/CD plugin that automatically scans web applications and browser games for flashing lights that violate WCAG photosensitivity guidelines. This protects users and ensures accessibility compliance.
Who It's For
For Web development agencies, indie game studios, and corporate accessibility compliance teams.
Feature List
✓ Automated video capture of web interactions ✓ Real-time luminance and flash frequency analysis ✓ WCAG 2.1 compliant reporting dashboard ✓ GitHub Actions CI/CD integration ✓ Actionable remediation suggestions
Where to Validate
Share your landing page in r/HN · show hn — that's exactly where these pain points were discovered.
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