Fixing MIME-Type Errors Preventing Styles and Fonts from Loading

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• Incorrect or outdated resource links in the database.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 Outdated URLs in Database: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   • Theme or plugin caches retain outdated files.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 Search & Replace Outdated URLs

To perform a Search & Replace in the database, you have two options:

• inside the Staq Panel for the particular site; OR
• inside the backend of WordPress via the Staq Hosting plugin.

Follow this guide to do a database search and replace.

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

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.