site.webmanifest 401 404 not found error

404/401 Error on site.webmanifest

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The web app manifest is a simple JSON file that tells the browser about your web application and how it should behave when ‘installed’ on the user’s mobile device or desktop, such as when the user adds the website to their iPhone or Android home screen.

A typical manifest file includes information about the app name, icons it should use, the start_url it should start at when launched, and more. It is often used by favicon generators for websites.

    "name": "",
    "short_name": "",
    "icons": [
            "src": "/android-chrome-192x192.png",
            "sizes": "192x192",
            "type": "image/png"
            "src": "/android-chrome-256x256.png",
            "sizes": "256x256",
            "type": "image/png"
    "theme_color": "#000000",
    "background_color": "#000000",
    "display": "standalone"

For some reason, this file site.webmanifest may be blocked by your web server or CDN. I still haven’t figured what it causing this issue though there is a simple workaround. Just rename site.webmanifest  to manifest.json and update your link tag.

<link rel="manifest" href="/favicons/manifest.json>

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