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Use when reviewing scripts, client components, bundles, or runtime behavior related to Minify all JavaScript files. Inspect both source code and the browser execution path so fixes target the real bottleneck or bug.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Use when reviewing templates, rendered HTML, or shared components related to Implement accessible breadcrumb navigation. Validate the final browser-facing markup, not just the source framework abstraction.
Use when auditing metadata, crawlability, structured data, or indexability related to Implement valid BreadcrumbList schema. Verify the rendered HTML and HTTP response rather than relying only on source files.
Use when reviewing templates, rendered HTML, or shared components related to Declare UTF-8 character encoding. Validate the final browser-facing markup, not just the source framework abstraction.
Use when reviewing templates, rendered HTML, or shared components related to Set text direction for RTL languages. Validate the final browser-facing markup, not just the source framework abstraction.
Use when auditing a site's meta tag uniqueness, generating page-specific meta descriptions, or reviewing CMS templates that inject the same description globally.
Use when you need to find the 2-3 most popular and well-maintained npm packages relevant to a frontend checklist rule, validate they meet quality thresholds, and add them to the rule's frontmatter.
| name | javascript-minification |
| description | Use when reviewing scripts, client components, bundles, or runtime behavior related to Minify all JavaScript files. Inspect both source code and the browser execution path so fixes target the real bottleneck or bug. |
| metadata | {"category":"javascript","priority":"high","difficulty":"beginner","estimatedTime":"15","source":"frontendchecklist.io","url":"https://frontendchecklist.io/en/rules/javascript/javascript-minification"} |
Unminified JavaScript adds hundreds of KB to page weight, slowing down load times especially on mobile networks where every byte counts.
Verify that all JavaScript files are minified in production to reduce file size, remove comments, and optimize code for faster loading and execution.
Configure your build system to minify JavaScript files using tools like Terser, UglifyJS, or built-in framework minification for production deployment.
Explain how JavaScript minification improves website performance by reducing bundle sizes, eliminating dead code, and optimizing parsing speed.
Review scripts, client components, and browser execution paths related to Minify all JavaScript files. Flag exact imports, event handlers, runtime side effects, or blocking operations that violate the rule, and state how the change should be verified in the browser.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/javascript/javascript-minification
