Core web performance assessment targeting load time and user experience, covering image optimization, bundle sizing, code splitting, caching, and rendering strategies.
22
Total Checks
3
Delivery Formats
3
Categories
6
Versions
Included
Never included
Tier change: free → paid as part of v2.0 Slop Detector pricing reset (Stack Scan remains the only free audit).
2026-04-13
Quality hardening: added counting/enumeration patterns and numeric thresholds to all 22 checks, added backtick-quoted detail-on-fail examples with X-of-Y reporting, added anti-sycophancy guardrails (Do NOT pass when, Before evaluating extract and quote, Report even on pass), added 3 cross-references to related audits (seo-fundamentals, security-headers, performance-optimization), tightened adversarial manifests to exact tolerances
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: clarify bundle analysis for installed-vs-imported deps, fix App Router detection patterns, tighten image-format threshold, bump third-party-scripts severity to medium, add skip criteria for static sites
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
Picked by pack overlap with this audit.
Token management and cost-efficiency patterns to prevent unexpected API bills, covering context growth, token limits, and efficient streaming and caching implementation.
Pre-launch deployment checklist covering CI/CD pipeline health, monitoring setup, rollback strategy, and production configuration.
Deep inspection of environment variable handling, secrets storage patterns, and runtime configuration security.
Requirements-to-implementation comparison revealing feature gaps, scope creep, and mismatches between original specifications and what was built.
Mobile responsiveness assessment across phones, tablets, and screen sizes, covering viewport configuration, responsive layouts, touch-friendly sizing, and mobile UX patterns.