Mobile responsiveness assessment across phones, tablets, and screen sizes, covering viewport configuration, responsive layouts, touch-friendly sizing, and mobile UX patterns.
20
Total Checks
3
Delivery Formats
3
Categories
5
Versions
Quality hardening: added counting/enumeration, numeric thresholds, anti-sycophancy directives (Count all, Before evaluating extract and quote, Do NOT pass when, Report even on pass), backtick-quoted detail-on-fail examples, and cross-references to all 20 checks. Tightened manifest tolerances from any to exact/pass_or_skip/fail_or_skip
2026-04-02
Added Step 3 submission instructions to chunked format; improved Step 3 in full format (paste URL is now primary submission method)
2026-03-01
Adversarial testing improvements: fix font-size threshold inconsistency, add CSS pattern table for fixed-width check, clarify hover-only and responsive-forms criteria, tighten landscape-support and tap-delay guidance
2026-02-27
Hardened curl commands with -sS -L flags for redirect following and error visibility. Added response validation guidance to Step 3.
2026-02-23
Initial release
2026-02-20
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