HTTP Server header Spy

Provides HTTP headers, like Web Server and IP and other info This extension provides HTTP headers, like Web Server and IP and other info with quick links to various IP inspection sites, and a link to lookup web server name. Perfect for tinkerers.

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HTTP Server header Spy is available to install from Firefox Browser Add-ons and for download from this page. It has 25 active users The latest version is 2.2, and it was published 2 years ago.

All available versions

You can find the current and older versions of HTTP Server header Spy here. You can download the archived versions or inspect their source codes.

As a free user, you can only download the latest version.

How to install HTTP Server header Spy from an XPI file

1. Simply drag-and-drop the XPI into Firefox to install the add-on.

How to install HTTP Server header Spy from a ZIP file

1. Download the HTTP Server header Spy ZIP file
2. In Firefox browser, go to about:addons to open Add-ons Manager
3. Click on , then select Install Add-on From File
4. Select the HTTP Server header Spy ZIP file from step 1. HTTP Server header Spy is now installed on your browser.