search engine optimization III

php/servers/servers-rooms.php

@@ -364,6 +364,14 @@
 			return "$base_url/room/$token/file/$image_id";
 		}
 
+		/**
+		 * Return the URL used to display details about this room-
+		 */
+		function get_details_url(): string {
+			$room_id = $this->get_room_identifier();
+			return "/#$room_id";
+		}
+
 		/**
 		 * Return a globally unique room identifier.
 		 * @return string String in the form `token+pubkey[:4]`.

sites/+components/communities-json-ld.php

@@ -8,26 +8,48 @@
 
 	$json_ld_data = array(
 		'@context' => 'https://schema.org/',
-		'summary' => 'Active Session Communities',
-		'@type' => 'Collection',
-		'totalItems' => count($rooms),
-		'items' => array_map(function(CommunityRoom $room) {
+		'@id' => $SITE_CANONICAL_URL,
+		'url' => $SITE_CANONICAL_URL,
+		'description' => 'Up-to-date list of public groups in Session Messenger.',
+		'name' => 'Session Communities List',
+		'@type' => 'WebSite',
+		'additionalType' => 'Collection',
+		'collectionSize' => count($rooms),
+		'dateModified' => date('c',filemtime($ROOMS_FILE)),
+		'image' => "$SITE_CANONICAL_URL/favicon.svg",
+		'isAccessibleForFree' => true,
+		'maintainer' => array(
+			'name' => 'gravel',
+			'sameAs' => "https://codeberg.org/gravel",
+		),
+		'potentialAction' => array(
+			'@type' => 'SearchAction',
+			'target' => "$SITE_CANONICAL_URL/#q={search_term_string}",
+			'query-input' => 'required name=search_term_string'
+		)
+	);
+
+	$json_ld_data_rooms = array(
+		'@context' => 'https://schema.org/',
+		'@graph' => array_map(function(CommunityRoom $room) {
 			$values = array(
-				'@type' => 'Group',
+				'@type' => 'EntryPoint',
+				'@id' => $room->get_join_url(),
+				'additionalType' => 'VirtualLocation',
 				'name' => $room->name,
-				'summary' => $room->description,
-				'startTime' => $room->created ? date('Y-m-d\TH:i:s', intval($room->created)) : null,
-				'url' => $room->get_preview_url(),
-				'icon' => $SITE_CANONICAL_URL . '/' . room_icon($room, '64x64')
+				'description' => $room->description,
+				'url' => $SITE_CANONICAL_URL . $room->get_details_url(),
+				'image' => $SITE_CANONICAL_URL . '/' . room_icon($room, '64x64'),
+				'isPartOf' => array('@id' => $SITE_CANONICAL_URL),
 			);
 			return array_filter($values, function ($value) {
 				return $value != null;
 			});
-		}, $rooms)
-	);
+		}, $rooms),
+	)
 ?>
 
 <script type="application/ld+json">
-	<?=preg_replace("\\/", "/", json_encode($json_ld_data))?>
+	<?=json_encode($json_ld_data)?>
 
 </script>

sites/+components/page-head.php

@@ -1,15 +1,14 @@
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <link rel="icon" type="image/svg+xml" href="favicon.svg" sizes="any">
-<meta name="keywords" content="Session, Community, Anonymous, Chat">
 <meta
 	http-equiv="Content-Security-Policy"
-	content="
-		script-src 'self'; img-src 'self' data:;
-		connect-src 'self'; font-src 'none';
-		object-src 'none'; media-src 'none';
-		form-action 'none'; base-uri 'self';
-	"
+	content="<?php
+		?>script-src 'self'; img-src 'self' data:; <?php
+		?>connect-src 'self'; font-src 'none'; <?php
+		?>object-src 'none'; media-src 'none'; <?php
+		?>form-action 'none'; base-uri 'self'; <?php
+	?>"
 >
 <link rel="apple-touch-icon" href="./apple-touch-icon.png">
 <meta name="robots" content="index, follow">

sites/+components/qr-modals.php

@@ -122,13 +122,11 @@
 						class="details-modal-pane-button
 						themed-button"
 						data-pane="0"
-						class="themed-button"
 					>Show description</button>
 					<button
 						class="details-modal-pane-button
 						themed-button"
 						data-pane="1"
-						class="themed-button"
 					>Show QR Code</button>
 				</div>
 			</div>

sites/+components/tbl-communities.php

@@ -77,7 +77,10 @@
 		$tags_json = json_encode($room->get_room_tags());
 	?>
 
-	<tr class="room-row" itemscope itemtype="https://schema.org/EntryPoint"
+	<tr class="room-row"
+		itemscope
+		itemtype="https://schema.org/EntryPoint"
+		itemid="<?=$join_link?>"
 		data-identifier="<?=$id?>"
 		data-pubkey="<?=$pubkey?>"
 		data-hostname="<?=$hostname?>"
@@ -112,18 +115,18 @@
 <?php endif; endforeach; ?>
 			<!--/noindex--></span>
 		</td>
-		<td
+		<!--noindex--><td
 			class="td_description noindex robots-noindex robots-nocontent"
 			title="Description for '<?=$name?>':
 
 <?=$desc?>"
 			itemprop="description"
-		><!--noindex--><?=$desc?><!--/noindex--></td>
+		><?=$desc?></td><!--/noindex-->
 		<td
 			class="td_users"
 			title="'<?=$name?>' has had <?=$users?> active users in the last <?=$users_cutoff?>."
 		><?=$users?></td>
-		<td class="td_preview" itemprop="url">
+		<td class="td_preview">
 			<a
 				href="<?=$preview_link?>"
 				title="Click here to preview '<?=$name?>'"

sites/index.php

@@ -121,7 +121,7 @@
 					<?=count_rooms($servers)?> unique Session Communities
 					on <?=count($servers)?> servers have been found.
 					<span id="servers_hidden">(None hidden as JS is off)</span>
-					<sup><a href="<?=$REPOSITORY_CANONICAL_URL?>/#policy" target="_blank">why?</a>
+					<sup><a href="<?=$REPOSITORY_CANONICAL_URL?>/#policy" target="_blank">why?</a></sup>
 				</p>
 				<p id="last_checked">
 					Last checked <span id="last_checked_value">