What is MIME type "text/x-gosrc"?

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

text/x-gosrc is a MIME type used for Go source files. It marks plain text files that contain Go language code.

This type helps editors and tools to enable specific syntax highlighting and proper code formatting. It improves readability for developers working with Go scripts.

Used for software development with the Go language.
Triggers syntax and code highlighting in editors.
Helps web servers and development tools recognize the file as source code.

Files with this type typically have the GO extension. The MIME type uses an unofficial x- prefix, indicating it is experimental or non-standard. For more on file extensions, see the external reference linked above.

Associated file extensions

.go

Usage Examples

HTTP Header

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


    Content-Type: text/x-gosrc

HTML

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


    <a href="file.dat" type="text/x-gosrc">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', 'text/x-gosrc');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.go

FAQs

What kind of content does text/x-gosrc represent?

This MIME type represents source code written in the Go programming language. It indicates to the operating system or web browser that the file contains plain text instructions intended to be compiled or formatted as Go code, typically found in files with the .go extension.

Is text/x-gosrc a standard IANA MIME type?

No, the x- prefix indicates that it is a non-standard or experimental type. While text/x-gosrc is commonly used by some Linux distributions and web servers to identify Go files, there is no single official standard; text/x-go and text/plain are also frequently used.

How do I configure Apache to serve .go files with this type?

You can map the extension to the MIME type using the AddType directive in your .htaccess or main configuration file. Add the line AddType text/x-gosrc .go to ensure Apache serves these files with the correct header instead of defaulting to text/plain.

How can I set up Nginx to recognize text/x-gosrc?

Update your mime.types file or the http block in your Nginx configuration. Add the line text/x-gosrc go; to map the extension. This helps browsers and downstream tools understand that the content is Go source code.

Will web browsers execute text/x-gosrc files?

No, web browsers cannot execute Go code directly. Go is a compiled language, unlike interpreted languages like JavaScript. If a browser navigates to a file served as text/x-gosrc, it will typically display the code as text or prompt the user to download the file.

Why does my browser download .go files instead of displaying them?

This happens if the server sends the file with a generic binary header like application/octet-stream. To fix this, ensure your web server is configured to send the Content-Type: text/x-gosrc or text/plain header, which tells the browser the file is safe to display inline.

Is it safe to serve text/x-gosrc files publicly?

It depends on the content. Serving source code allows anyone to read your logic, which is fine for open-source projects but dangerous if the code contains hardcoded passwords, API keys, or proprietary algorithms. Always sanitize code before making it accessible via a public URL.

What is the difference between text/x-gosrc and text/x-go?

There is no functional difference; both are unofficial identifiers for the same file format. Different operating systems or mime-type libraries may prefer one over the other. For maximum compatibility on the web, serving as text/plain is often the safest fallback if specific highlighting is not required.

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.