diff --git a/tpl/bootstrap.php b/tpl/bootstrap.php
index 7efdbdc7..b2398387 100644
--- a/tpl/bootstrap.php
+++ b/tpl/bootstrap.php
@@ -42,7 +42,7 @@ if ($SYNTAXHIGHLIGHTING) :
 endif;
 ?>
 		<noscript><link type="text/css" rel="stylesheet" href="css/noscript.css" /></noscript>
-		<?php $this->_scriptTag('js/jquery-3.7.1.js'); ?>
+		<?php $this->_scriptTag('js/jquery-3.7.1.js', 'defer'); ?>
 <?php
 if ($QRCODE) :
 ?>
@@ -56,8 +56,8 @@ if ($ZEROBINCOMPATIBILITY) :
 endif;
 ?>
 		<?php $this->_scriptTag('js/zlib-1.3.1.js', 'async'); ?>
-		<?php $this->_scriptTag('js/base-x-4.0.0.js'); ?>
-		<?php $this->_scriptTag('js/rawinflate-0.3.js'); ?>
+		<?php $this->_scriptTag('js/base-x-4.0.0.js', 'defer'); ?>
+		<?php $this->_scriptTag('js/rawinflate-0.3.js', 'defer'); ?>
 		<?php $this->_scriptTag('js/bootstrap-3.4.1.js', 'defer'); ?>
 <?php
 if ($SYNTAXHIGHLIGHTING) :
@@ -489,7 +489,7 @@ if ($FILEUPLOAD) :
 				</div>
 <?php
 endif;
-?>					
+?>
 				<div id="status" role="alert" class="clearfix alert alert-<?php echo (bool)$ISDELETED ? 'success' : 'info'; echo empty($STATUS) ? ' hidden' : '' ?>">
 					<span class="glyphicon glyphicon-info-sign" aria-hidden="true"></span>
 					<?php echo I18n::encode($STATUS), PHP_EOL; ?>
diff --git a/tpl/bootstrap5.php b/tpl/bootstrap5.php
index 2418b565..a8c1956d 100644
--- a/tpl/bootstrap5.php
+++ b/tpl/bootstrap5.php
@@ -25,7 +25,7 @@ if ($SYNTAXHIGHLIGHTING) :
 endif;
 ?>
 		<noscript><link type="text/css" rel="stylesheet" href="css/noscript.css" /></noscript>
-		<?php $this->_scriptTag('js/jquery-3.7.1.js'); ?>
+		<?php $this->_scriptTag('js/jquery-3.7.1.js', 'defer'); ?>
 <?php
 if ($QRCODE) :
 ?>
@@ -34,13 +34,13 @@ if ($QRCODE) :
 endif;
 if ($ZEROBINCOMPATIBILITY) :
 ?>
-		<?php $this->_scriptTag('js/base64-1.7.js', 'async'); ?>
+		<?php $this->_scriptTag('js/base64-1.7.js', 'defer'); ?>
 <?php
 endif;
 ?>
-		<?php $this->_scriptTag('js/zlib-1.3.1.js', 'async'); ?>
-		<?php $this->_scriptTag('js/base-x-4.0.0.js'); ?>
-		<?php $this->_scriptTag('js/rawinflate-0.3.js'); ?>
+		<?php $this->_scriptTag('js/zlib-1.3.1.js', 'defer'); ?>
+		<?php $this->_scriptTag('js/base-x-4.0.0.js', 'defer'); ?>
+		<?php $this->_scriptTag('js/rawinflate-0.3.js', 'defer'); ?>
 		<?php $this->_scriptTag('js/bootstrap-5.3.3.js', 'async'); ?>
 		<?php $this->_scriptTag('js/dark-mode-switch.js', 'defer'); ?>
 <?php
@@ -55,8 +55,8 @@ if ($MARKDOWN) :
 <?php
 endif;
 ?>
-		<?php $this->_scriptTag('js/purify-3.1.6.js', 'async'); ?>
-		<?php $this->_scriptTag('js/legacy.js', 'async'); ?>
+		<?php $this->_scriptTag('js/purify-3.1.6.js', 'defer'); ?>
+		<?php $this->_scriptTag('js/legacy.js', 'defer'); ?>
 		<?php $this->_scriptTag('js/privatebin.js', 'defer'); ?>
 		<!-- icon -->
 		<link rel="apple-touch-icon" href="<?php echo I18n::encode($BASEPATH); ?>img/apple-touch-icon.png" sizes="180x180" />