Menú
Use when reviewing templates, rendered HTML, or shared components related to Implement favicons for all devices. Validate the final browser-facing markup, not just the source framework abstraction.
Instalar con Codex o Claude Copia este prompt, pégalo en Codex, Claude u otro asistente, y deja que revise la página de la skill y la instale por ti.
Basado en la clasificación ocupacional SOC
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 | favicons |
| description | Use when reviewing templates, rendered HTML, or shared components related to Implement favicons for all devices. Validate the final browser-facing markup, not just the source framework abstraction. |
| metadata | {"category":"html","priority":"medium","difficulty":"intermediate","estimatedTime":"20","source":"frontendchecklist.io","url":"https://frontendchecklist.io/en/rules/html/favicons"} |
Missing or low-quality favicons make sites look unprofessional in browser tabs, bookmarks, and home screens—damaging brand recognition and user trust.
Verify that all necessary favicon formats and sizes are implemented correctly for optimal display across different browsers, devices, and platforms.
Generate and implement a complete favicon set including ICO, PNG, SVG, and mobile/PWA icons with proper HTML declarations.
Explain how proper favicon implementation improves brand recognition, user experience, and ensures consistent display across all browsers and devices.
Review templates, server-rendered HTML, and shared components that output markup related to Implement favicons for all devices. Flag exact elements, attributes, and routes where the rendered HTML violates the rule.
For full implementation details, code examples, and framework-specific guidance,
see references/rule.md.
Rule page: https://frontendchecklist.io/en/rules/html/favicons
