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Fixing MIME-Type Errors Preventing Styles and Fonts from Loading

On this page

    MIME-type errors occur when the browser refuses to load resources (e.g., fonts, CSS) because the Content-Type returned by the server is incorrect.

    Common scenarios include:

    • CSS or font files returning text/html instead of text/css or font/woff.
    • Incorrect or outdated resource links in the database.
    • Theme or plugin caching conflicts.

    Common Causes of MIME-Type Errors

    1. HTTP Resource Links:
      • Resource URLs load over HTTP instead of HTTPS.
    2. Outdated URLs in Database:
      • Old domains or incorrect paths stored in the database.
    3. Cached Resource Files:
      • Theme or plugin caches retain outdated files.

    Step-by-Step Solutions

    1. Search & Replace Outdated URLs

    Perform a Search & Replace to ensure all resource links use the correct domain and protocol.

    Option 1 – Via Staq Panel

    1. Go to the site’s Staq Panel → Search & Replace.
    2. Replace http://example.com with https://example.com.

    Option 2 – Via WordPress Backend

    1. Log in → Go to Staq Hosting → Settings → Search & Replace.
    2. Replace outdated resource URLs.

    2. Clear Staq Cache and Redis Object Cache

    • Clear Staq Cache:
      • Backend: Staq Hosting → Clear Site Cache.
      • Staq Panel: Files → Cache → Clear Cache.
    • Flush Redis Object Cache:
      • Staq Panel: Database → Redis Object Cache → Flush.
      • Backend: Staq Hosting → Object Cache → Flush Cache.

    3. Reset Theme and Plugin Caches

    Theme/Page Builder Cache Clearing Instructions
    Avada Avada → Options → Performance → Reset Avada Caches.
    Divi Divi → Theme Options → Builder → Clear Static CSS File Generation.
    Elementor Elementor → Tools → Regenerate CSS.
    Beaver Builder Settings → Beaver Builder → Cache → Clear Cache.
    Bricks Builder Bricks → Settings → System → Clear Cache.

    4. Verify MIME Types in Developer Tools

    1. Open the browser’s Developer Tools → Go to the Network tab.
    2. Reload the page and check the Content-Type of blocked resources:
      • CSS files: Content-Type: text/css.
      • Fonts: Content-Type: font/woff or font/ttf.

    Example Error:

    Refused to apply style from ‘https://example.com/style.css’ because its MIME type (‘text/html’) is not supported.

    If incorrect MIME types persist, contact Staq Support for server-side adjustments.

    Contact Support

    If the issue persists after clearing caches and verifying URLs, please reach out to Staq Support for assistance with server-level configuration.

    Need some help?

    We all do sometimes. Please reach out to our support team by dropping us a support ticket. We will respond fast.

    Request Support