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This plugin enables “Well-Known URIs” support for WordPress (RFC 5785:

From the RFC:

It is increasingly common for Web-based protocols to require the
discovery of policy or other information about a host (“site-wide
metadata”) before making a request. For example, the Robots
Exclusion Protocol specifies a way for
automated processes to obtain permission to access resources;
likewise, the Platform for Privacy Preferences
tells user-agents how to discover privacy policy beforehand.

While there are several ways to access per-resource metadata (e.g.,
HTTP headers, WebDAV’s PROPFIND [RFC4918]), the perceived overhead
(either in terms of client-perceived latency and/or deployment
difficulties) associated with them often precludes their use in these

When this happens, it is common to designate a “well-known location”
for such data, so that it can be easily located. However, this
approach has the drawback of risking collisions, both with other such
designated “well-known locations” and with pre-existing resources.

To address this, this memo defines a path prefix in HTTP(S) URIs for
these “well-known locations”, “/.well-known/”. Future specifications
that need to define a resource for such site-wide metadata can
register their use to avoid collisions and minimise impingement upon
sites’ URI space.


  1. Upload the well-known-folder to the /wp-content/plugins/ directory
  2. Activate the plugin through the Plugins menu in WordPress
  3. …and that’s it 🙂

Tanya Jawab

How can I define a well-known uri?

Set a callback for an URI (/.well-known/robots.txt). The action is a combination of well_known_ and the file-name, in this case the hook must look like

add_action('well_known_robots.txt', 'robots_txt');

Print robots.txt:

function robots_txt($query) {
  header('Content-Type: text/plain; charset=' . get_option('blog_charset'), true);
  echo "User-agent: *";
  echo "Allow: /";

Is there an implementation where I can write off?

Yes, you can find an example plugin, which defines a well-known-uri,


Belum ada ulasan untuk plugin ini.

Kontributor & Pengembang

“/.well-known/” adalah perangkat lunak open source. Berikut ini mereka yang sudah berkontribusi pada plugin ini.


Terjemahkan “/.well-known/” dalam bahasa Anda.

Tertarik mengembangkan?

Lihat kode, periksa repositori SVN , atau mendaftar ke log pengembangan melalui RSS.

Log Perubahan


  • bug fix


  • refactored the code


  • fixed some php-warnings


  • better action/filter


  • some improvements for host-meta (jrd)


  • adding well-known uris a bit more wordpress-like

  • Ooops, copy&paste bug


  • Forgot to flush the rewrite rules


  • Better doku


  • Initial release