diff --git a/.phpenv b/.phpenv
index 617bc5c..d31ebf8 100644
--- a/.phpenv
+++ b/.phpenv
@@ -138,11 +138,17 @@
 	 */
 	$REPOSITORY_CANONICAL_URL_FILES="$REPOSITORY_CANONICAL_URL/src/branch/main";
 
+	/**
+	 * @var string $SITE_CANONICAL_URL
+	 * The base URL for this project's website.
+	 */
+	$SITE_CANONICAL_URL="https://sessioncommunities.online";
+
 	/**
 	 * @var string $API_CANONICAL_URL
 	 * The base URL for the listing provider API.
 	 */
-	$API_CANONICAL_URL="https://lp.sessioncommunities.online/";
+	$API_CANONICAL_URL="https://lp.sessioncommunities.online";
 
 	set_include_path(implode(PATH_SEPARATOR, array(
 		get_include_path(),
diff --git a/sites/donate.php b/sites/donate.php
index 2418f52..fc8a727 100644
--- a/sites/donate.php
+++ b/sites/donate.php
@@ -1,4 +1,6 @@
 <?php
+	require_once '+getenv.php';
+
 	$NUM_PARTICLES = 20;
 	$DELAYS = range(0, 240 - 1, 240 / $NUM_PARTICLES);
 	shuffle($DELAYS);
@@ -13,7 +15,7 @@
 <html>
 	<?php include "+components/page-head.php" ?>
 
-	<link rel="canonical" href="https://sessioncommunities.online/donate.html">
+	<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/donate.html">
 	<link rel="stylesheet" href="css/common-dark.css">
 	<title>Donate — sessioncommunities.online</title>
 	<style>
diff --git a/sites/index.php b/sites/index.php
index 619bf44..682cfd0 100644
--- a/sites/index.php
+++ b/sites/index.php
@@ -34,7 +34,7 @@
 	<head>
 		<?php include "+components/page-head.php" ?>
 
-		<link rel="canonical" href="https://sessioncommunities.online/">
+		<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/">
 		<link rel="stylesheet" href="./index.css">
 		<script type="module" src="./main.js"></script>
 		<link rel="modulepreload" href="js/util.js">
@@ -51,7 +51,7 @@
 			property="og:description"
 			content="<?=count($rooms)?> Communities and counting — updated every day!"
 		>
-		<meta property="og:url" content="https://sessioncommunities.online/">
+		<meta property="og:url" content="<?=$SITE_CANONICAL_URL?>/">
 		<meta property="og:type" content="website">
 		<meta property="og:locale" content="en_US"/>
 		<meta name="timestamp" content="<?=$timestamp?>">
@@ -138,7 +138,7 @@
 					<br>
 					Communities shown are fetched automatically from
 					<a
-					href="https://codeberg.org/gravel/sessioncommunities.online#which-sources-are-crawled"
+					href="<?=$REPOSITORY_CANONICAL_URL?>#which-sources-are-crawled"
 						target="_blank"
 					>various sources</a>.
 					<br>
diff --git a/sites/instructions.php b/sites/instructions.php
index 9c3884e..3cb6be8 100644
--- a/sites/instructions.php
+++ b/sites/instructions.php
@@ -1,5 +1,6 @@
 <?php
 	require_once '+getenv.php';
+
 	$instruction_files = glob("+instructions/*.txt");
 	function file_language($file) { return pathinfo($file)['filename']; }
 ?>
@@ -8,7 +9,7 @@
 	<head>
 		<?php include "+components/page-head.php" ?>
 
-		<link rel="canonical" href="https://sessioncommunities.online/instructions.php">
+		<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/instructions.php">
 		<link rel="stylesheet" href="css/common-dark.css">
 		<link rel="stylesheet" href="css/instructions.css">
 		<style type="text/css">
@@ -29,7 +30,7 @@
 		">
 		<meta property="og:title" content="How to join Session Communities">
 		<meta property="og:description" content="Learn how to use sessioncommunities.online to join">
-		<meta property="og:url" content="https://sessioncommunities.online/instructions.php">
+		<meta property="og:url" content="<?=$SITE_CANONICAL_URL?>/instructions.php">
 		<meta property="og:type" content="article">
 		<title>Instructions — sessioncommunities.online</title>
 	</head>
diff --git a/sites/privacy.php b/sites/privacy.php
index de7483b..3a7e0f1 100644
--- a/sites/privacy.php
+++ b/sites/privacy.php
@@ -3,6 +3,8 @@
 		If you're hosting your own version of the site, please replace this file!
 	*/
 
+	require_once '+getenv.php';
+
 	$HIGHLIGHTED_FIELDS = ["ip", "datetime", "resource", "status", "bytes", "referer", "user-agent"];
 ?>
 <!DOCTYPE html>
@@ -10,7 +12,7 @@
 	<head>
 		<?php include "+components/page-head.php" ?>
 
-		<link rel="canonical" href="https://sessioncommunities.online/privacy.html">
+		<link rel="canonical" href="<?=$SITE_CANONICAL_URL?>/privacy.html">
 		<title>Privacy — sessioncommunities.online</title>
 		<meta name="description" content="Read what data sessioncommunities.online collects">
 		<meta property="og:title" content="sessioncommunities.online — Privacy">
