Conciseness

The body is dominated by dense, high-value tables and executable code with almost no explanation of concepts Claude already knows (e.g., no primer on what memoization is). A few tokens could be trimmed — the 'Topics covered' bullet list partially duplicates the reference file's own contents and the 'Related Skills' section is optional context — so it sits just below the 'lean and efficient' anchor.

Actionability

The 'executeBatched' implementation is complete, executable TypeScript with a usage example, and the tables give concrete values ('windowSize={5}', 'contentVisibility: hidden', 'Limit to 3-5'). Not 5 because most of the nine listed topic areas (bridge optimization, image optimization, race conditions, etc.) are only named, not demonstrated, so common cases beyond request batching require reading the reference.

Workflow Clarity

The Quick Reference table functions as a problem-to-optimization routing guide, but there is no diagnostic sequence (how to identify which category a perf issue falls into) and no validation steps such as profiling or measuring before/after an optimization. The content is reference material rather than a multi-step workflow, so it lands at 'sequence/checkpoints missing or implicit' rather than higher.

Progressive Disclosure

The body is a concise overview with a single clearly signaled, one-level-deep reference ('see [performance.md](references/rules/performance.md)'), which exists in the bundle at references/rules/performance.md, plus a topic index that aids navigation. Content is appropriately split between quick rules inline and the detailed guide in the reference file.

Specificity

Names the domain ('React/React Native') and lists five concrete optimization areas ('re-renders, memoization, FlashList, memory leaks, and bundle size'), matching the 'several specific actions; minor gaps' anchor. Not 5 because these are topic labels rather than an exhaustive set of concrete actions (e.g., no mention of what is actually done for each area).

Completeness

The 'what' is clear (performance optimization for React/React Native across the listed areas), but there is no 'Use when...' clause or equivalent explicit trigger guidance, capping completeness at 3 per the judging guidelines. Not 2 because the 'what' is specific and well-scoped rather than vague.

Trigger Term Quality

're-renders', 'memoization', 'FlashList', 'memory leaks', and 'bundle size' are natural phrases developers actually say when facing performance problems, giving good keyword coverage. Not 5 because common variations like 'slow', 'laggy', 'jank', or 'app hang' are absent.

Distinctiveness Conflict Risk

Scoping to 'React/React Native' performance with named tools like FlashList makes it mostly distinct with only minor overlap risk against a general React coding-patterns skill (the body itself lists '/1k-coding-patterns' as related). Not 5 because the trigger surface still overlaps somewhat with general React performance advice found in coding-convention skills.