PluginSift
PluginsThemesCompare
Directory
  • Plugins
  • Themes
  • Compare Plugins
Plugin Comparisons
  • SEO
  • Security
  • Ecommerce
  • Page Builders
  • Caching
  • Backup
  • Forms
  • Analytics
Resources
  • About
  • Contact
  • llms.txt

© 2026 PluginSift. Data sourced from WordPress.org. · [email protected]

  1. Home
  2. Plugins
  3. Http-headers
  4. GNU Terry Pratchett
GNU Terry Pratchett icon

GNU Terry Pratchett

Add an X-Clacks-Overhead header with “GNU Terry Pratchett” to all non-admin pages.

By Nick C·Http-headers·Free
5(13 reviews)
·1.0K+ active installs·Updated 4 months ago
DownloadVisit HomepageCompare

As of April 2026, GNU Terry Pratchett is a WordPress http-headers plugin with 1.0K+ active installations and a 5/5 rating from 13 reviews. It has been downloaded 18K+ times in total. Requires WordPress 4.6+ and PHP 5.6+. Available on WordPress.org since 2015. Downloads are up 7% this week. Top alternative: HTTP Headers.

5/513 reviews
1.0K+active installs
18K+total downloads
11 yearssince 2015

Overview

The GNU Terry Pratchett plugin transmits an “X-Clacks-Overhead” header reading, “GNU Terry Pratchett” so that Terry’s name is whispered forevermore in the Internet’s “overhead”.

In Pratchett’s “Going Postal”, workers who die in the line of duty have their names transmitted up and down the Discworld’s telegraph system as a tribute.

This plugin makes it easy for WordPress users to do the same for Terry Pratchett, without having to modify their server configuration.

The GNU Terry Pratchett headers

The plugin adds the GNU Terry Pratchett header in two ways:

  1. As an HTTP header (if you don’t use a WordPress page caching plugin).
  2. As a meta tag in your HTML with the http-equiv attribute.

Settings

The text sent in HTTP headers and meta tags is “GNU Terry Pratchett” by default.

C…

Read full description on WordPress.org

Ratings & Reviews

513 reviews
5 ★
13
4 ★
0
3 ★
0
2 ★
0
1 ★
0

Recent Reviews

GNU Terry Pratchett
by simplypeachy·7 years ago

Thanks to Nick, the headers will forever be sent to and fro.

I commend my soul to any God that can find it
by wordpressghoul·8 years ago·1 reply

It is said that your life flashes before your eyes just before you die. That is true, it’s called Life

We lost one of the best
by J S·10 years ago

Added to our site this day. We will echo his name forever.

Thanks Nick. Very well done and a great tribute.

Minor, but irritating bug
by jondor·10 years ago·1 reply

in the mailheader addition:

// $args[‘headers’] .= “X-Clacks-Overhead: GNU Terry Pratchett \n”;

should be

$args[‘headers’][] = “X-Clacks-Overhead: GNU Terry Pratchett \n”;

otherwise it kills the email with an ArrayX-Clacks-Overhead.
It’s an array not a string of headers..

Great initiative though.. Thanks!

GNU Terry Pratchett
by sharonejackson·11 years ago

I think this is a charming tribute to a remarkable man who influenced so many of us. I know his body recently followed where his spirit had gone some months before, but I am still sad.

Download Trends

Today: 4Yesterday: 6This week: 30Period total: 1K

Compatibility

WordPress4.6+ requiredTested up to 6.9.4
PHP5.6+ required

Version Adoption

v0.4
93.4%
Other
6.6%

Top Alternatives to GNU Terry Pratchett

HTTP Headers icon
HTTP Headers
4.350K+ installsUpdated 1 year ago
ViewCompare
Simple Iframe Buster icon
Simple Iframe Buster
5100 installsUpdated 4 years ago
ViewCompare
WP Secure HTTP Headers icon
WP Secure HTTP Headers
040 installsUpdated 6 years ago
ViewCompare
Eazy HTTP Headers icon
Eazy HTTP Headers
030 installsUpdated 8 years ago
ViewCompare
SeaSP Community Edition icon
SeaSP Community Edition
4.720 installsUpdated 4 years ago
ViewCompare
View all http-headers plugins →

Frequently Asked Questions

Changelog

0.4.1

  • Escape attributes on settings page and meta tag.
View full changelog on WordPress.org

Contributors

Nick CNick C
Plugin Info
Version
0.4.1
Last Updated
Dec 2, 2025
WP Requires
4.6+
Tested Up To
6.9.4
PHP Requires
5.6+
Active Installs
1.0K+
Downloads
18K+
Added
Mar 15, 2015
Business
Free

Tags

http-headersterry-pratchett

Developer

N
Nick C
1 plugins0.0M+ total installs
View all plugins →

Quick Compare

GNU Terry Pratchett vs HTTP Headers→GNU Terry Pratchett vs Simple Iframe Buster→GNU Terry Pratchett vs WP Secure HTTP Headers→

Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.