diff --git a/time.php b/time.php
index 5b05d46..e0ff7f8 100644
--- a/time.php
+++ b/time.php
@@ -5,7 +5,7 @@
 </title>
 <link rel="icon" href="https://r2.revicdn.net/pfp2.png">
 <style>
-@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono&family=IBM+Plex+Sans+KR:wght@300;400&family=Noto+Sans+KR&family=Ubuntu+Mono&display=swap');
+@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono&family=IBM+Plex+Sans+KR:wght@300;400&family=Noto+Sans+KR&display=swap');
 
 body {
 	margin: 40px auto;
@@ -25,11 +25,22 @@
 		'Apple Color Emoji',
 		'Segoe UI Emoji';
 }
+.code {
+  font-family:
+  	'IBM Plex Mono',
+	'Courier New',
+	monospace;
+}
 </style>
 </head>
 <body>
 <?php
 
+// Set Cache-control to no-cache, permissions-policy, and provenlol header
+header('Cache-Control: no-cache, no-store, must-revalidate, max-age=0');
+header('Permissions-Policy: interest-cohort=(),browsing-topics=()');
+header('X-Proven: proven.lol/9d2ca2');
+
 // Create a DateTime object with Asia/Seoul timezone
 $dateTimeSeoul = new DateTime('now', new DateTimeZone('Asia/Seoul'));
 
@@ -42,8 +53,13 @@
 $zonestampLink = "https://zonestamp.toolforge.org/{$currentEpoch}";
 
 // Display the message with formatted date, time, and Zonestamp link
-echo "It is {$date} {$time} in <code>Asia/Seoul</code>, where <a rel='me' href='https://revi.xyz'>revi</a> lives.<br />Check in your timezone: <a href='{$zonestampLink}'>ZoneStamp</a>.<br /><hr><a href='https://github.com/revi/sandbox/blob/master/time.php'>Source code @ GitHub</a>. (Warning: it is far from 'clean'.) Also, please note that there is <a href='https://xkcd.com/1179/'>only one correct way to write dates</a>.";
+<p>
+echo "It is {$date} {$time} in <code>Asia/Seoul</code>, where <a rel='me' href='https://revi.xyz'>revi</a> lives.<br />Check in your timezone: <a href='{$zonestampLink}'>ZoneStamp</a>.";
+</p>
 
 ?>
+<br />
+<hr>
+<p><a href='https://github.com/revi/sandbox/blob/master/time.php'>Source code @ GitHub</a>. (Warning: it is far from 'clean'.) Also, please note that there is <a href='https://xkcd.com/1179/'>only one correct way to write dates</a>.</p>
 </body>
 </html>
\ No newline at end of file
