diff --git a/_includes/head.html b/_includes/head.html
index b63d729..2c57584 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -30,4 +30,24 @@
  <!-- https://indieweb.org/How_to_set_up_web_sign-in_on_your_own_domain#How_to_setup_RelMeAuth - regardless of antipattern, the things I do for verified checkboxes at Mastodon... -->
  <link rel="me" type="application/activity+json" href="https://sauna.social/users/aminda" />
  <link rel="me" type="application/activity+json" href="https://mastodon.pirateparty.be/users/MikaelaPPFI" />
+
+ <!-- https://github.com/macdonst/detect-missing-adblocker -->
+ <script type="module" src="https://unpkg.com/detect-missing-adblocker@latest/dist/detect-missing-adblocker.js?module=true"></script>
+ <link rel="stylesheet" href="https://unpkg.com/detect-missing-adblocker@latest/nativeads.js.css">
+
 </head>
+
+<detect-missing-adblocker>
+  <span slot="title">Dear reader, you may be missing a content blocker! 🙀</span>
+  <span slot="message">
+  Please consider installing one to protect yourself, and your close ones,
+  from manipulation and <a href="https://en.m.wikipedia.org/wiki/Malvertising">targeted malvertising</a>.
+  Personally I love <a href="https://privacybadger.org">Privacy Badger</a> and
+  <a href="https://github.com/gorhill/uBlock/blob/master/README.md">uBlock Origin</a>
+  with
+  (<a href="https://www.eff.org/files/effdntlist.txt">EFF DNT Policy Allowlist</a>)
+  although Android users may be better served by <a href="https://f-droid.org/packages/com.celzero.bravedns">Rethink</a> while
+  for iOS there is <a href="https://adguard.com/adguard-ios/overview.html">AdGuard</a>.
+  <p><a href="https://en.m.wikipedia.org/wiki/Targeted_advertising#Disadvantages">Learn more!</a>
+  </span>
+</detect-missing-adblocker>