diff --git a/includes/class-indieauth-client-discovery.php b/includes/class-indieauth-client-discovery.php
index 5fc0e66..1714f61 100644
--- a/includes/class-indieauth-client-discovery.php
+++ b/includes/class-indieauth-client-discovery.php
@@ -5,6 +5,7 @@ class IndieAuth_Client_Discovery {
 	protected $manifest = array();
 	protected $html     = array();
 	protected $mf2      = array();
+	protected $json     = array();
 	public $client_id   = '';
 	public $client_name = '';
 	public $client_icon = '';
@@ -74,45 +75,63 @@ private function parse( $url ) {
 			return $response;
 		}
 
-		$content = wp_remote_retrieve_body( $response );
-
-		if ( class_exists( 'Masterminds\\HTML5' ) ) {
-			$domdocument = new \Masterminds\HTML5( array( 'disable_html_ns' => true ) );
-			$domdocument = $domdocument->loadHTML( $content );
-		} else {
-			$domdocument = new DOMDocument();
-			libxml_use_internal_errors( true );
-			if ( function_exists( 'mb_convert_encoding' ) ) {
-				$content = mb_convert_encoding( $content, 'HTML-ENTITIES', mb_detect_encoding( $content ) );
+		$content_type = wp_remote_retrieve_header( $response, 'content-type' );
+		if ( 'application/json' === $content_type ) {
+			$json = json_decode( wp_remote_retrieve_body( $response ), true );
+			if ( ! is_array( $json ) && empty( $json ) ) {
+					return;
 			}
-			$domdocument->loadHTML( $content );
-			libxml_use_internal_errors( false );
-		}
-
-		$this->get_mf2( $domdocument, $url );
-		if ( ! empty( $this->mf2 ) ) {
-			if ( array_key_exists( 'name', $this->mf2 ) ) {
-				$this->client_name = $this->mf2['name'][0];
+			if ( ! array_key_exists( 'client_id', $json ) ) {
+				return;
+			}
+			$this->client_id = $json['client_id'];
+			if ( array_key_exists( 'client_name', $json ) ) {
+				$this->client_name = $json['client_name'];
+			}
+			if ( array_key_exists( 'logo_uri', $json ) ) {
+				$this->client_icon = $json['logo_uri'];
 			}
-			if ( array_key_exists( 'logo', $this->mf2 ) ) {
-				if ( is_string( $this->mf2['logo'][0] ) ) {
-					$this->client_icon = $this->mf2['logo'][0];
-				} else {
-					$this->client_icon = $this->mf2['logo'][0]['value'];
+		} elseif ( 'text/html' === $content_type ) {
+			$content = wp_remote_retrieve_body( $response );
+
+			if ( class_exists( 'Masterminds\\HTML5' ) ) {
+				$domdocument = new \Masterminds\HTML5( array( 'disable_html_ns' => true ) );
+				$domdocument = $domdocument->loadHTML( $content );
+			} else {
+				$domdocument = new DOMDocument();
+				libxml_use_internal_errors( true );
+				if ( function_exists( 'mb_convert_encoding' ) ) {
+					$content = mb_convert_encoding( $content, 'HTML-ENTITIES', mb_detect_encoding( $content ) );
 				}
+				$domdocument->loadHTML( $content );
+				libxml_use_internal_errors( false );
 			}
-		} elseif ( isset( $this->rels['manifest'] ) ) {
-			self::get_manifest( $this->rels['manifest'] );
-			$this->client_icon = $this->determine_icon( $this->manifest );
-			$this->client_name = $this->manifest['name'];
-		} else {
-			$this->client_icon = $this->determine_icon( $this->rels );
-			$this->get_html( $domdocument );
-			$this->client_name = $this->html['title'];
-		}
 
-		if ( ! empty( $this->client_icon ) ) {
-			$this->client_icon = WP_Http::make_absolute_url( $this->client_icon, $url );
+			$this->get_mf2( $domdocument, $url );
+			if ( ! empty( $this->mf2 ) ) {
+				if ( array_key_exists( 'name', $this->mf2 ) ) {
+					$this->client_name = $this->mf2['name'][0];
+				}
+				if ( array_key_exists( 'logo', $this->mf2 ) ) {
+					if ( is_string( $this->mf2['logo'][0] ) ) {
+						$this->client_icon = $this->mf2['logo'][0];
+					} else {
+						$this->client_icon = $this->mf2['logo'][0]['value'];
+					}
+				}
+			} elseif ( isset( $this->rels['manifest'] ) ) {
+				self::get_manifest( $this->rels['manifest'] );
+				$this->client_icon = $this->determine_icon( $this->manifest );
+				$this->client_name = $this->manifest['name'];
+			} else {
+				$this->client_icon = $this->determine_icon( $this->rels );
+				$this->get_html( $domdocument );
+				$this->client_name = $this->html['title'];
+			}
+
+			if ( ! empty( $this->client_icon ) ) {
+				$this->client_icon = WP_Http::make_absolute_url( $this->client_icon, $url );
+			}
 		}
 	}
 
diff --git a/indieauth.php b/indieauth.php
index aa7319a..ae2f6ba 100644
--- a/indieauth.php
+++ b/indieauth.php
@@ -3,7 +3,7 @@
  * Plugin Name: IndieAuth
  * Plugin URI: https://github.com/indieweb/wordpress-indieauth/
  * Description: IndieAuth is a way to allow users to use their own domain to sign into other websites and services
- * Version: 4.4.2
+ * Version: 4.4.3
  * Author: IndieWeb WordPress Outreach Club
  * Author URI: https://indieweb.org/WordPress_Outreach_Club
  * License: MIT
diff --git a/languages/indieauth.pot b/languages/indieauth.pot
index 2ff7a33..7970c68 100644
--- a/languages/indieauth.pot
+++ b/languages/indieauth.pot
@@ -1,11 +1,10 @@
-# Copyright (C) 2024 IndieWebCamp WordPress Outreach Club
+# Copyright (C) 2024 IndieWeb WordPress Outreach Club
 # This file is distributed under the MIT.
 msgid ""
 msgstr ""
-"Project-Id-Version: IndieAuth 4.4.2\n"
-"Report-Msgid-Bugs-To: "
-"https://wordpress.org/support/plugin/wordpress-indieauth\n"
-"POT-Creation-Date: 2024-01-12 20:14:40+00:00\n"
+"Project-Id-Version: IndieAuth 4.4.3\n"
+"Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/indieauth\n"
+"POT-Creation-Date: 2024-06-17 21:55:46+00:00\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -376,11 +375,11 @@ msgstr ""
 msgid "Invalid access token"
 msgstr ""
 
-#: includes/class-indieauth-client-discovery.php:33
+#: includes/class-indieauth-client-discovery.php:34
 msgid "Failed to Retrieve IndieAuth Client Details "
 msgstr ""
 
-#: includes/class-indieauth-client-discovery.php:63
+#: includes/class-indieauth-client-discovery.php:64
 msgid "Failed to Retrieve Client Details"
 msgstr ""
 
@@ -900,7 +899,7 @@ msgid ""
 msgstr ""
 
 #. Author of the plugin/theme
-msgid "IndieWebCamp WordPress Outreach Club"
+msgid "IndieWeb WordPress Outreach Club"
 msgstr ""
 
 #. Author URI of the plugin/theme
diff --git a/readme.md b/readme.md
index c10311a..fb86142 100644
--- a/readme.md
+++ b/readme.md
@@ -3,8 +3,8 @@
 **Tags:** IndieAuth, IndieWeb, IndieWebCamp, login  
 **Requires at least:** 4.9.9  
 **Requires PHP:** 5.6  
-**Tested up to:** 6.4  
-**Stable tag:** 4.4.2  
+**Tested up to:** 6.5  
+**Stable tag:** 4.4.3  
 **License:** MIT  
 **License URI:** http://opensource.org/licenses/MIT  
 **Donate link:** https://opencollective.com/indieweb  
diff --git a/readme.txt b/readme.txt
index 43c8466..095e1d1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -3,8 +3,8 @@ Contributors: indieweb, pfefferle, dshanske
 Tags: IndieAuth, IndieWeb, IndieWebCamp, login
 Requires at least: 4.9.9
 Requires PHP: 5.6
-Tested up to: 6.4
-Stable tag: 4.4.2
+Tested up to: 6.5
+Stable tag: 4.4.3
 License: MIT
 License URI: http://opensource.org/licenses/MIT
 Donate link: https://opencollective.com/indieweb