Web Apps

Reports, Exports, and Developer Handoff turn working evidence into material another person can read, reproduce, archive, and act on. The best accessibility report is not the…

Headings is the structure review area for ordered outline analysis, visible H1 checks, hidden or empty headings, skipped levels, duplicates, and semantic heading risks. This section…

Alt Text Analysis reviews image alternatives, decorative image evidence, context-dependent alt quality, and the limits of manual image judgement. Alt text is not just a missing-attribute…

Local History and Comparison answer a practical question: did this page get better, worse, or simply different since the last comparable scan? This is one of…

Broken Links checks visible anchors and classifies same-document, same-origin, cross-origin, valid, broken, skipped, unverified, timeout, restricted, and risky outcomes. A broken link is simple only when…

Screen Reader Review is a Guidepup-supported virtual screen-reader workspace for spoken-output evidence, structured review, diagnostics, and QA handover. The most important thing about this feature is…

What I learned while debugging an accessibility scanner with AI agents, and why evidence matters more than pass/fail theatre.

A practical look at WAVE API, axe-core, Playwright, Pa11y, IBM Equal Access, and why a local scanner is the more honest foundation for A11Y CAT.

Why I built Cat Crawler, what it is good at, what it taught me, and the improvements I would make next.

What it takes to use agents without letting the work slip into vague claims, fake certainty, or sloppy release habits.