diff --git a/adminer/include/adminer.inc.php b/adminer/include/adminer.inc.php
index e508748b..2fa69905 100644
--- a/adminer/include/adminer.inc.php
+++ b/adminer/include/adminer.inc.php
@@ -1005,13 +1005,13 @@ class Adminer {
 	*/
 	function syntaxHighlighting(array $tables): void {
 		// this is matched by compile.php
-		echo script_src("../externals/jush/modules/jush.js");
-		echo script_src("../externals/jush/modules/jush-autocomplete-sql.js");
-		echo script_src("../externals/jush/modules/jush-textarea.js");
-		echo script_src("../externals/jush/modules/jush-txt.js");
-		echo script_src("../externals/jush/modules/jush-js.js");
+		echo script_src("../externals/jush/modules/jush.js", true);
+		echo script_src("../externals/jush/modules/jush-autocomplete-sql.js", true);
+		echo script_src("../externals/jush/modules/jush-textarea.js", true);
+		echo script_src("../externals/jush/modules/jush-txt.js", true);
+		echo script_src("../externals/jush/modules/jush-js.js", true);
 		if (support("sql")) {
-			echo script_src("../externals/jush/modules/jush-" . JUSH . ".js");
+			echo script_src("../externals/jush/modules/jush-" . JUSH . ".js", true);
 			echo "<script" . nonce() . ">\n";
 			if ($tables) {
 				$links = array();
@@ -1028,13 +1028,11 @@ class Adminer {
 						$tablesColumns[$table][] = $field["field"];
 					}
 				}
-				echo "autocompleter = jush.autocompleteSql('" . idf_escape("") . "', " . json_encode($tablesColumns) . ");\n";
+				echo "addEventListener('DOMContentLoaded', () => { autocompleter = jush.autocompleteSql('" . idf_escape("") . "', " . json_encode($tablesColumns) . "); });\n";
 			}
 			echo "</script>\n";
 		}
-		echo script("syntaxHighlighting('" . preg_replace('~^(\d\.?\d).*~s', '\1', connection()->server_info) . "'"
-			. (connection()->flavor == 'maria' ? ", 'maria'" : (connection()->flavor == 'cockroach' ? ", 'cockroach'" : "")) . ");"
-		);
+		echo script("syntaxHighlighting('" . preg_replace('~^(\d\.?\d).*~s', '\1', connection()->server_info) . "', '" . connection()->flavor . "');");
 	}
 
 	/** Print databases list in menu */
diff --git a/adminer/include/html.inc.php b/adminer/include/html.inc.php
index 91ce6cd8..575682cc 100644
--- a/adminer/include/html.inc.php
+++ b/adminer/include/html.inc.php
@@ -7,8 +7,8 @@ function script(string $source, string $trailing = "\n"): string {
 }
 
 /** Return <script src> element */
-function script_src(string $url): string {
-	return "<script src='" . h($url) . "'" . nonce() . "></script>\n";
+function script_src(string $url, bool $defer = false): string {
+	return "<script src='" . h($url) . "'" . nonce() . ($defer ? " defer" : "") . "></script>\n";
 }
 
 /** Get a nonce="" attribute with CSP nonce */
diff --git a/adminer/static/editing.js b/adminer/static/editing.js
index 61bd71ed..67a8a549 100644
--- a/adminer/static/editing.js
+++ b/adminer/static/editing.js
@@ -7,56 +7,58 @@ let autocompleter; // set in adminer.inc.php
 * @param [string]
 */
 function syntaxHighlighting(version, vendor) {
-	if (window.jush) {
-		jush.create_links = 'target="_blank" rel="noreferrer noopener"';
-		if (version) {
-			for (let key in jush.urls) {
-				let obj = jush.urls;
-				if (typeof obj[key] != 'string') {
-					obj = obj[key];
-					key = 0;
-					if (vendor == 'maria') {
-						for (let i = 1; i < obj.length; i++) {
-							obj[i] = obj[i]
-								.replace('.html', '/')
-								.replace('-type-syntax', '-data-types')
-								.replace(/numeric-(data-types)/, '$1-$&')
-								.replace(/replication-options-(master|binary-log)\//, 'replication-and-binary-log-system-variables/')
-								.replace('server-options/', 'server-system-variables/')
-								.replace('innodb-parameters/', 'innodb-system-variables/')
-								.replace(/#(statvar|sysvar|option_mysqld)_(.*)/, '#$2')
-								.replace(/#sysvar_(.*)/, '#$1')
-							;
+	addEventListener('DOMContentLoaded', () => {
+		if (window.jush) {
+			jush.create_links = 'target="_blank" rel="noreferrer noopener"';
+			if (version) {
+				for (let key in jush.urls) {
+					let obj = jush.urls;
+					if (typeof obj[key] != 'string') {
+						obj = obj[key];
+						key = 0;
+						if (vendor == 'maria') {
+							for (let i = 1; i < obj.length; i++) {
+								obj[i] = obj[i]
+									.replace('.html', '/')
+									.replace('-type-syntax', '-data-types')
+									.replace(/numeric-(data-types)/, '$1-$&')
+									.replace(/replication-options-(master|binary-log)\//, 'replication-and-binary-log-system-variables/')
+									.replace('server-options/', 'server-system-variables/')
+									.replace('innodb-parameters/', 'innodb-system-variables/')
+									.replace(/#(statvar|sysvar|option_mysqld)_(.*)/, '#$2')
+									.replace(/#sysvar_(.*)/, '#$1')
+								;
+							}
 						}
 					}
-				}
 
-				obj[key] = (vendor == 'maria' ? obj[key].replace('dev.mysql.com/doc/mysql', 'mariadb.com/kb') : obj[key]) // MariaDB
-					.replace('/doc/mysql', '/doc/refman/' + version) // MySQL
-				;
-				if (vendor != 'cockroach') {
-					obj[key] = obj[key].replace('/docs/current', '/docs/' + version); // PostgreSQL
+					obj[key] = (vendor == 'maria' ? obj[key].replace('dev.mysql.com/doc/mysql', 'mariadb.com/kb') : obj[key]) // MariaDB
+						.replace('/doc/mysql', '/doc/refman/' + version) // MySQL
+					;
+					if (vendor != 'cockroach') {
+						obj[key] = obj[key].replace('/docs/current', '/docs/' + version); // PostgreSQL
+					}
+				}
+			}
+			if (window.jushLinks) {
+				jush.custom_links = jushLinks;
+			}
+			jush.highlight_tag('code', 0);
+			adminerHighlighter = els => jush.highlight_tag(els, 0);
+			for (const tag of qsa('textarea')) {
+				if (/(^|\s)jush-/.test(tag.className)) {
+					const pre = jush.textarea(tag, autocompleter);
+					if (pre) {
+						setupSubmitHighlightInput(pre);
+						tag.onchange = () => {
+							pre.textContent = tag.value;
+							pre.oninput();
+						};
+					}
 				}
 			}
 		}
-		if (window.jushLinks) {
-			jush.custom_links = jushLinks;
-		}
-		jush.highlight_tag('code', 0);
-		adminerHighlighter = els => jush.highlight_tag(els, 0);
-		for (const tag of qsa('textarea')) {
-			if (/(^|\s)jush-/.test(tag.className)) {
-				const pre = jush.textarea(tag, autocompleter);
-				if (pre) {
-					setupSubmitHighlightInput(pre);
-					tag.onchange = () => {
-						pre.textContent = tag.value;
-						pre.oninput();
-					};
-				}
-			}
-		}
-	}
+	});
 }
 
 /** Get value of dynamically created form field
diff --git a/compile.php b/compile.php
index 2f6b8feb..7b57f0a2 100755
--- a/compile.php
+++ b/compile.php
@@ -334,7 +334,7 @@ if ($_SESSION["lang"]) {
 	$file = str_replace('<?php echo LANG; ?>', $_SESSION["lang"], $file);
 }
 $file = str_replace('echo script_src("static/editing.js");' . "\n", "", $file); // merged into functions.js
-$file = preg_replace('~\s+echo script_src\("\.\./externals/jush/modules/jush-(autocomplete-sql|textarea|txt|js|" \. JUSH \. ")\.js"\);~', '', $file); // merged into jush.js
+$file = preg_replace('~\s+echo script_src\("\.\./externals/jush/modules/jush-(autocomplete-sql|textarea|txt|js|" \. JUSH \. ")\.js", true\);~', '', $file); // merged into jush.js
 $file = preg_replace('~echo .*/jush(-dark)?.css\'>.*~', '', $file); // merged into default.css or dark.css
 if (function_exists('stripTypes')) {
 	$file = stripTypes($file);