diff --git a/blockbot/blockbot.php b/blockbot/blockbot.php
index 022f188d..8f56a553 100644
--- a/blockbot/blockbot.php
+++ b/blockbot/blockbot.php
@@ -209,7 +209,7 @@ function blockbot_log_activitypub(string $url, string $agent)
 		blockbot_save('activitypub-inbox-agents', $agent);
 	}
 
-	if (!empty($_SERVER['HTTP_SIGNATURE']) && !empty(HTTPSignature::getSigner('', $_SERVER))) {
+	if (!empty($_SERVER['HTTP_SIGNATURE']) && !empty(HTTPSignature::getSigner('', $_SERVER, false))) {
 		blockbot_save('activitypub-signature-agents', $agent);
 	}
 }
diff --git a/invidious/invidious.php b/invidious/invidious.php
index 033ecce5..5fa2eca9 100644
--- a/invidious/invidious.php
+++ b/invidious/invidious.php
@@ -54,8 +54,8 @@ function invidious_settings(array &$data)
 
 	$t    = Renderer::getMarkupTemplate('settings.tpl', 'addon/invidious/');
 	$html = Renderer::replaceMacros($t, [
-		'$enabled' => ['enabled', DI::l10n()->t('Replace Youtube links with links to an Invidious server'), $enabled, DI::l10n()->t('If enabled, Youtube links are replaced with the links to the specified Invidious server.')],
-		'$server'  => ['server', DI::l10n()->t('Invidious server'), $server, DI::l10n()->t('See %s for a list of available Invidious servers.', '<a href="https://api.invidious.io/">https://api.invidious.io/</a>')],
+		'$enabled' => ['invidious-enabled', DI::l10n()->t('Replace Youtube links with links to an Invidious server'), $enabled, DI::l10n()->t('If enabled, Youtube links are replaced with the links to the specified Invidious server.')],
+		'$server'  => ['invidious-server', DI::l10n()->t('Invidious server'), $server, DI::l10n()->t('See %s for a list of available Invidious servers.', '<a href="https://api.invidious.io/">https://api.invidious.io/</a>')],
 	]);
 
 	$data = [
@@ -71,9 +71,9 @@ function invidious_settings_post(array &$b)
 		return;
 	}
 
-	DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'invidious', 'enabled', (bool)$_POST['enabled']);
+	DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'invidious', 'enabled', (bool)$_POST['invidious-enabled']);
 
-	$server = trim($_POST['server'], " \n\r\t\v\x00/");
+	$server = trim($_POST['invidious-server'], " \n\r\t\v\x00/");
 	if ($server != DI::config()->get('invidious', 'server', INVIDIOUS_DEFAULT) && !empty($server)) {
 		DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'invidious', 'server', $server);
 	} else {
diff --git a/markdown/markdown.php b/markdown/markdown.php
index 6f459244..e73fe028 100644
--- a/markdown/markdown.php
+++ b/markdown/markdown.php
@@ -27,7 +27,7 @@ function markdown_addon_settings(array &$data)
 
 	$t    = Renderer::getMarkupTemplate('settings.tpl', 'addon/markdown/');
 	$html = Renderer::replaceMacros($t, [
-		'$enabled' => ['enabled', DI::l10n()->t('Enable Markdown parsing'), $enabled, DI::l10n()->t('If enabled, adds Markdown support to the Compose Post form.')],
+		'$enabled' => ['markdown-enabled', DI::l10n()->t('Enable Markdown parsing'), $enabled, DI::l10n()->t('If enabled, adds Markdown support to the Compose Post form.')],
 	]);
 
 	$data = [
@@ -43,7 +43,7 @@ function markdown_addon_settings_post(array &$b)
 		return;
 	}
 
-	DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'markdown', 'enabled', intval($_POST['enabled']));
+	DI::pConfig()->set(DI::userSession()->getLocalUserId(), 'markdown', 'enabled', intval($_POST['markdown-enabled']));
 }
 
 function markdown_post_local_start(&$request) {
diff --git a/rendertime/rendertime.php b/rendertime/rendertime.php
index 731cf003..82bac955 100644
--- a/rendertime/rendertime.php
+++ b/rendertime/rendertime.php
@@ -60,7 +60,7 @@ function rendertime_page_end(string &$o)
 
 	if (DI::userSession()->isSiteAdmin() && (($_GET['mode'] ?? '') != 'minimal') && !DI::mode()->isMobile() && !DI::mode()->isMobile() && !$ignored) {
 
-		$o = $o . '<div class="renderinfo">' . DI::l10n()->t("Database: %s/%s, Network: %s, Rendering: %s, Session: %s, I/O: %s, Other: %s, Total: %s",
+		$o = $o . '<div class="renderinfo" aria-hidden="true">' . DI::l10n()->t("Database: %s/%s, Network: %s, Rendering: %s, Session: %s, I/O: %s, Other: %s, Total: %s",
 				round($profiler->get('database') - $profiler->get('database_write'), 3),
 				round($profiler->get('database_write'), 3),
 				round($profiler->get('network'), 2),
@@ -77,7 +77,7 @@ function rendertime_page_end(string &$o)
 
 			$total = microtime(true) - $profiler->get('start');
 			$rest = $total - ($profiler->get('ready') - $profiler->get('start')) - $profiler->get('init') - $profiler->get('content');
-			$o = $o . '<div class="renderinfo">' . DI::l10n()->t("Class-Init: %s, Boot: %s, Init: %s, Content: %s, Other: %s, Total: %s",
+			$o = $o . '<div class="renderinfo" aria-hidden="true">' . DI::l10n()->t("Class-Init: %s, Boot: %s, Init: %s, Content: %s, Other: %s, Total: %s",
 				round($profiler->get('classinit') - $profiler->get('start'), 3),
 				round($profiler->get('ready') - $profiler->get('classinit'), 3),
 				round($profiler->get('init'), 3),
@@ -87,7 +87,7 @@ function rendertime_page_end(string &$o)
 				) . '</div>';
 
 		if ($profiler->isRendertime()) {
-			$o .= '<pre>';
+			$o .= '<pre aria-hidden="true">';
 			$o .= $profiler->getRendertimeString(floatval(DI::config()->get('rendertime', 'minimal_time', 0)));
 			$o .= '</pre>';
 		}
diff --git a/showmore_dyn/showmore_dyn.js b/showmore_dyn/showmore_dyn.js
index 74803d2d..fd07a82f 100644
--- a/showmore_dyn/showmore_dyn.js
+++ b/showmore_dyn/showmore_dyn.js
@@ -59,7 +59,7 @@ function addHeightToggleHandler($item) {
 	$item.data("item-id", itemId);
 	var toggleId = "wall-item-body-toggle-" + itemId;
 
-	$item.append('<div class="wall-item-body-toggle" data-item-id="' + itemId + '" id="' + toggleId + '" ><button type="button" class="wall-item-body-toggle-text">' + showmore_dyn_showmore_linktext + '</button></div>');
+	$item.append('<div class="wall-item-body-toggle" data-item-id="' + itemId + '" id="' + toggleId + '" ><button type="button" class="wall-item-body-toggle-text" aria-hidden="true">' + showmore_dyn_showmore_linktext + '</button></div>');
 	$item.addClass("limitable limit-height");
 
 	var $toggle = $("#" + toggleId);