Files
cursor__plugins/frontend/rules/frontend-performance-checks.mdc
ericzakariasson 97128c02db Apply writing guide: sentence-case titles, remove em-dashes and semicolons
- Convert all H1 headings to sentence case across skills, rules, agents,
  commands, and READMEs (~65 headings)
- Replace em-dashes with colons in plugin.json descriptions and README
  taglines to match marketplace.json convention
- Replace semicolons with periods and restructure sentences across skills,
  rules, agents, and READMEs (~19 instances)

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-02-10 18:11:09 -08:00

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---
alwaysApply: true
---
# Frontend performance checks
1. Avoid unnecessary re-renders in hot UI paths.
2. Keep bundle growth justified and measurable.
3. Prefer lazy loading for heavy routes and components.
4. Optimize expensive list rendering and memoization boundaries.
5. Track performance regressions with concrete before/after evidence.