Use when reviewing image assets, markup, and CDN or build transforms related to Use descriptive image filenames. Check encoded size, rendered size, loading strategy, and above-the-fold impact together.
インストールする前に、エージェントに与えられる指示の中身を確認できます。
Google explicitly recommends descriptive filenames in its Image SEO best practices. A file named red-leather-wallet.jpg gives search engines context about the image content, improving discoverability in image search. Generic filenames waste this SEO signal. Descriptive names also help developers maintain large asset libraries without opening every file to identify its content.
hero-homepage-team-collaboration.jpgimage1.jpg, photo.png, or camera defaults like IMG_4532.jpgScan all image file references in this codebase (<img src>, CSS url(), import statements, and public/assets directories). Identify filenames that: 1) Use auto-generated names (e.g., IMG_1234.jpg, DSC_0056.png, screenshot-2024-01-01.png). 2) Use meaningless names (e.g., image1.jpg, photo.png, pic.jpg). 3) Contain spaces (e.g., 'my photo.jpg'). 4) Use underscores as word separators (e.g., hero_image.jpg instead of hero-image.jpg). 5) Mix uppercase and lowercase letters. Report each problematic filename with its path.
Rename image files with descriptive, SEO-friendly names: 1) Replace generic names with descriptive ones reflecting the content (e.g., rename IMG_1234.jpg to blue-running-shoes-side-view.jpg). 2) Use lowercase letters only. 3) Replace spaces and underscores with hyphens. 4) Keep names concise but meaningful—3 to 5 words is ideal. 5) Update all references to the renamed file in HTML, CSS, and JavaScript. For large-scale renames, provide a migration script that reads old paths, generates new names, and updates all references.
Explain why descriptive filenames matter for image SEO. Google explicitly states it uses filename as a signal for image search ranking. A filename like product-red-leather-wallet.jpg gives Google context about the image before it even analyses the pixels. Generic filenames (image1.jpg, photo.png) provide no signal. Additionally, descriptive filenames improve developer experience—team members can understand what an asset is without opening it.
Review image assets, markup, and delivery configuration related to Use descriptive image filenames. Flag exact files or components where format choice, sizing, or loading behavior violates the rule, and describe how to confirm the fix in DevTools.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/rules/images/filename-quality
まだレビューはありません。使ってみた感想をお寄せください。
概要と使いどころ
Use when reviewing templates, rendered HTML, or shared components related to Create a custom 404 error page. Validate the final browser-facing markup, not just the source framework abstraction.
日本語の概要は準備中です。原文の説明を表示しています。
Use when auditing metadata, crawlability, structured data, or indexability related to Create a dedicated About page. Verify the rendered HTML and HTTP response rather than relying only on source files.
日本語の概要は準備中です。原文の説明を表示しています。
Use when reviewing component libraries, page flows, or CI pipelines that need repeatable accessibility checks. Automated testing is strongest at catching structural and attribute-level issues; it does not replace keyboard, screen reader, and manual UX testing.
日本語の概要は準備中です。原文の説明を表示しています。
Use when reviewing sign-in, sign-up, MFA, CAPTCHA, recovery, and re-auth flows. Evaluate the full authentication path, including error handling and backup methods, not just the primary login form.
日本語の概要は準備中です。原文の説明を表示しています。
Use when reviewing templates, rendered HTML, or shared components related to Make notifications accessible. Validate the final browser-facing markup, not just the source framework abstraction.
日本語の概要は準備中です。原文の説明を表示しています。
Use when reviewing rendered HTML, interactive components, or design-system patterns related to Use semantic table markup for screen readers. Check native semantics first, then inspect keyboard behavior, focus flow, accessible names, and screen-reader output where relevant.
日本語の概要は準備中です。原文の説明を表示しています。