--- title: "No favicon / app icon (lint/missing-icon)" description: "lint/missing-icon: Browsers request /favicon.ico anyway (a 404 on every page), tabs and bookmarks show a blank icon and search results show a generic globe." canonical: https://void-design.vercel.app/rules/lint/missing-icon lastModified: 2026-09-16 --- # No favicon / app icon `lint/missing-icon` · severity **warn** · category Lint · detected by `void lint` and `void audit` ## Why it matters Browsers request /favicon.ico anyway (a 404 on every page), tabs and bookmarks show a blank icon and search results show a generic globe. An SVG-only icon isn't supported by Safari and some crawlers. ## How to fix it Add `app/icon.png` (or `favicon.ico`) plus `app/apple-icon.png`; keep `icon.svg` as an extra, not the only icon. ## Example ```text app/favicon.ico app/icon.svg app/apple-icon.png (180×180) ``` ## References - https://nextjs.org/docs/app/api-reference/file-conventions/metadata/app-icons ## More lint rules `void lint` reports 67 rules in this category. Static source checks with no browser: Tailwind v4 silent failures, Next.js 16 API traps, React render-body bugs, accessibility markup, SEO files and motion hygiene. - `not-found-in-suspense` `notFound()`/`redirect()` inside a component rendered under `` — [lint/not-found-in-suspense](https://void-design.vercel.app/rules/lint/not-found-in-suspense) - `missing-sitemap` No sitemap — [lint/missing-sitemap](https://void-design.vercel.app/rules/lint/missing-sitemap) - `missing-robots` No robots.txt — [lint/missing-robots](https://void-design.vercel.app/rules/lint/missing-robots) - `missing-og-image` No Open Graph image anywhere — [lint/missing-og-image](https://void-design.vercel.app/rules/lint/missing-og-image) - `missing-llms-txt` No `/llms.txt` — [lint/missing-llms-txt](https://void-design.vercel.app/rules/lint/missing-llms-txt) - `dynamic-metadata-streaming` Request-time `generateMetadata` without `htmlLimitedBots` — [lint/dynamic-metadata-streaming](https://void-design.vercel.app/rules/lint/dynamic-metadata-streaming) - `missing-lang` Root `` without `lang` — [lint/missing-lang](https://void-design.vercel.app/rules/lint/missing-lang) - `jsonld-missing` No JSON-LD structured data — [lint/jsonld-missing](https://void-design.vercel.app/rules/lint/jsonld-missing) Detected by `void lint` and `void audit`. Explain it in a terminal: `void rules lint/missing-icon`