What is MIME type "application/jsp"?

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

application/jsp is the MIME type for Jakarta Server Pages files. These files combine Java code with HTML.

When a file like JSP is requested, the web server processes its embedded Java. This code converts the page into dynamic HTML before sending it to your browser.

Dynamic Content Generation: Java code inside these pages creates interactive and data-driven web pages.
Server-side Processing: The server compiles and executes the Java code, ensuring clients receive only the final HTML.
Rapid Development: Embedding Java directly within HTML speeds up the development of web applications.
Enterprise Use: Commonly used in large-scale Java-based web applications where scalability is key.

Learn more about Jakarta Server Pages on Wikipedia.

Associated file extensions

.jsp

Usage Examples

HTTP Header

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


    Content-Type: application/jsp

HTML

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


    <a href="file.dat" type="application/jsp">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/jsp');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.jsp

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.