diff --git a/src/pages/index.astro b/src/pages/index.astro
index 694736b..a9d38d0 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -11,7 +11,11 @@ import Layout from '../layouts/Layout.astro'
 	</header>
 	<main>
 		<section>
-			<a href='https://pretalx.c3voc.de/hip-berlin-2022/cfp'>
+			<a
+				href='https://pretalx.c3voc.de/hip-berlin-2022/cfp'
+				rel='nofollower noreferrer'
+				target='_blank'
+			>
 				<div class='cfp gradient-bg'>
 					<h2>Call for participation &rarr;</h2>
 				</div>
@@ -46,7 +50,8 @@ import Layout from '../layouts/Layout.astro'
 				talks on the stages can be recorded and streamed via media.ccc We are
 				looking forward to your submission. <a
 					href='https://pretalx.c3voc.de/hip-berlin-2022/cfp'
-					>https://pretalx.c3voc.de/hip-berlin-2022/cfp</a
+					rel='nofollower noreferrer'
+					target='_blank'>https://pretalx.c3voc.de/hip-berlin-2022/cfp</a
 				>
 			</p>
 
@@ -63,7 +68,8 @@ import Layout from '../layouts/Layout.astro'
 				The presale will start this week. Regular Tickets cost 79.-€ for 4 days
 				and can be clicced here. <a
 					href='https://pretix.hip-berlin.de/hip2022/hip2022/'
-					>https://pretix.hip-berlin.de/hip2022/hip2022/</a
+					rel='nofollower noreferrer'
+					target='_blank'>https://pretix.hip-berlin.de/hip2022/hip2022/</a
 				>
 			</p>
 		</section>