X-Runtime

Extension Delisted

This extension is no longer available in the official store. Delisted on 2025-09-15.

How to install an extension Open in Chrome Web Store

CRX ID

pdcaohlgekgihpofimhljepkedekbnml

Status

Minor Policy Violation Removed Long Ago No Privacy Policy

Description from extension meta

Simple way to show all HTTP response headers

Image from store

Description from store

xruntime is the simple extension to show all HTTP response headers.
Useful to determine the technology (e.g. Ruby on Rails, ASP.NET, PHP, JBoss) supporting the web application.

Common standard headers are
Server,
Content-Encoding,
Content-Type,
Content-Length,
Expires,
Cache-control
etc

Common non-standard response headers are
X-Powered-By,
X-Version,
X-Runtime,
X-Version,
X-Cache,
X-AspNet-Version,
X-XSS-Protection,
X-Content-Security-Policy
and many others