diff --git a/README.md b/README.md
index 173bad8..be013e4 100644
--- a/README.md
+++ b/README.md
@@ -122,4 +122,4 @@ You can also get the [raw data](https://heisse-preise.io/data/latest-canonical.j
 The live site at [heisse-preise.io](https://heisse-preise.io) feature historical data from:
 
 -   [Dossier](https://www.dossier.at/dossiers/supermaerkte/quellen/anatomie-eines-supermarkts-die-methodik/)
--   [@h4ez](https://twitter.com/h43z/status/1668643843875512321), who runs [preisinflation.online](https://t.co/9sb8vZGdlN), another grocery price tracer.
+-   [@h4ez](http://h.43z.one), who runs [preisinflation.online](https://t.co/9sb8vZGdlN), another grocery price tracer.
diff --git a/site/_templates/_footer.html b/site/_templates/_footer.html
index f29cf8c..da1bc58 100644
--- a/site/_templates/_footer.html
+++ b/site/_templates/_footer.html
@@ -5,7 +5,7 @@
             <a href="https://github.com/badlogic/heissepreise"><svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24"><path d="M12 0c-6.626 0-12 5.373-12 12 0 5.302 3.438 9.8 8.207 11.387.599.111.793-.261.793-.577v-2.234c-3.338.726-4.033-1.416-4.033-1.416-.546-1.387-1.333-1.756-1.333-1.756-1.089-.745.083-.729.083-.729 1.205.084 1.839 1.237 1.839 1.237 1.07 1.834 2.807 1.304 3.492.997.107-.775.418-1.305.762-1.604-2.665-.305-5.467-1.334-5.467-5.931 0-1.311.469-2.381 1.236-3.221-.124-.303-.535-1.524.117-3.176 0 0 1.008-.322 3.301 1.23.957-.266 1.983-.399 3.003-.404 1.02.005 2.047.138 3.006.404 2.291-1.552 3.297-1.23 3.297-1.23.653 1.653.242 2.874.118 3.176.77.84 1.235 1.911 1.235 3.221 0 4.609-2.807 5.624-5.479 5.921.43.372.823 1.102.823 2.222v3.293c0 .319.192.694.801.576 4.765-1.589 8.199-6.086 8.199-11.386 0-6.627-5.373-12-12-12z"/></svg></a>
         </div>
         <div class="flex align-center justify-center gap-2 pt-4 pb-2">
-            <span>Historische Daten von <a href="https://t.co/9sb8vZGdlN" style="text-decoration: underline;">@h43z</a> &amp; <a href="https://www.dossier.at/dossiers/supermaerkte/quellen/anatomie-eines-supermarkts-die-methodik/">Dossier</a></span>
+            <span>Historische Daten von <a href="http://h.43z.one" style="text-decoration: underline;">@h43z</a> &amp; <a href="https://www.dossier.at/dossiers/supermaerkte/quellen/anatomie-eines-supermarkts-die-methodik/">Dossier</a></span>
         </div>
         <small class="text-center mb-6">
             <p>Alle Angaben ohne Gewähr, Irrtümer vorbehalten. <br />