What is MIME type "application/vnd.wap.wmlscriptc"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

application/vnd.wap.wmlscriptc identifies files that hold a compiled WMLScript program. This script is part of the Wireless Application Protocol (WAP) used in early mobile networks.

The compiled nature means the script is preprocessed. This speeds up execution and reduces resource demands on devices with limited power.

Files with extension WMLSC use this MIME type.

Supports interactive mobile applications
Optimizes performance on limited hardware
Minimizes processing time by replacing on-the-fly interpretation

For more technical background, see the WMLScript article.

Associated file extensions

.wmlsc

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: application/vnd.wap.wmlscriptc

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="application/vnd.wap.wmlscriptc">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'application/vnd.wap.wmlscriptc');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.wmlsc

FAQs

What is the purpose of the application/vnd.wap.wmlscriptc MIME type?

This MIME type indicates that a file contains compiled WMLScript, usually associated with the extension .wmlsc. It was used in the Wireless Application Protocol (WAP) ecosystem to provide client-side logic for early mobile websites, allowing phones to validate forms or perform calculations without contacting the server.

Which file extension is associated with application/vnd.wap.wmlscriptc?

The primary file extension for this MIME type is .wmlsc. You can learn more about this specific extension and its usage on the file-extension/wmlsc/ page.

Do modern web browsers like Chrome or Firefox support this MIME type?

No, modern desktop and mobile browsers do not natively support WAP or compiled WMLScript. This technology has been superseded by standard HTML5, CSS, and JavaScript. To view these files as intended, you would need a legacy WAP emulator.

How do I configure Apache to serve .wmlsc files correctly?

To ensure your Apache server sends the correct header, add the following line to your .htaccess file or main configuration: AddType application/vnd.wap.wmlscriptc .wmlsc. This ensures legacy WAP gateways recognize the file as an executable script.

What is the difference between text/vnd.wap.wmlscript and application/vnd.wap.wmlscriptc?

The text/ version is for the human-readable source code (usually .wmls), while application/vnd.wap.wmlscriptc is for the compiled binary version (.wmlsc). In the WAP architecture, the WAP gateway typically compiled the source code into bytecode before sending it to the mobile device to save bandwidth and processing power.

How do I set up Nginx to handle this MIME type?

In Nginx, you should ensure the MIME type is defined in your mime.types file. Add the entry: application/vnd.wap.wmlscriptc wmlsc;. If properly configured, Nginx will serve files ending in .wmlsc with the correct content type header.

Can I edit a file served as application/vnd.wap.wmlscriptc with a text editor?

No, files served with this MIME type are binary bytecode. If you open them in a text editor like Notepad, you will see unreadable characters. You must edit the original source file (.wmls) and recompile it using a WAP development tool.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.