Keyboard and semantics
Flags pointer-only div/span interactions and positive focus ordering.
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Source accessibility and performance
Review React or TSX source for image alternatives, keyboard semantics, form labels, reduced motion, image delivery, HTML injection and client-side effects.
Analysis runs in this browser. No public result URL is generated, and exported reports omit the analyzed source.
Coverage
Flags pointer-only div/span interactions and positive focus ordering.
Estimates label coverage and checks raw image alt attributes and delivery hints.
Looks for a reduced-motion route when animation-related source patterns are present.
Inventories useEffect calls, client boundaries and raw HTML injection for focused review.
FAQ
No. It performs source heuristics in the browser. The supplied code is not executed.
Not reliably from isolated source. Contrast depends on computed styles, themes, states and backgrounds and must be checked in a rendered browser.
No. Those require a built page, network conditions and runtime measurement. The profiler only identifies source patterns worth reviewing.
Run keyboard-only navigation, screen-reader checks, automated accessibility testing, responsive states, reduced-motion mode and a production performance trace.