diff --git a/website/sitemap.xml b/website/sitemap.xml
index e627d02..fd247ec 100644
--- a/website/sitemap.xml
+++ b/website/sitemap.xml
@@ -1,39 +1,82 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+        xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>https://sync.koalastuff.net/</loc>
-    <lastmod>2026-05-30</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/de/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/fr/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/es/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/pt-BR/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/ru/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
 </urlset>
diff --git a/website/www/sitemap.xml b/website/www/sitemap.xml
index e627d02..fd247ec 100644
--- a/website/www/sitemap.xml
+++ b/website/www/sitemap.xml
@@ -1,39 +1,82 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+        xmlns:xhtml="http://www.w3.org/1999/xhtml">
   <url>
     <loc>https://sync.koalastuff.net/</loc>
-    <lastmod>2026-05-30</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>1.0</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/de/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/fr/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/es/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/pt-BR/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
   <url>
     <loc>https://sync.koalastuff.net/ru/</loc>
-    <lastmod>2026-05-31</lastmod>
+    <lastmod>2026-06-01</lastmod>
     <changefreq>weekly</changefreq>
     <priority>0.8</priority>
+    <xhtml:link rel="alternate" hreflang="en" href="https://sync.koalastuff.net/"/>
+    <xhtml:link rel="alternate" hreflang="de" href="https://sync.koalastuff.net/de/"/>
+    <xhtml:link rel="alternate" hreflang="fr" href="https://sync.koalastuff.net/fr/"/>
+    <xhtml:link rel="alternate" hreflang="es" href="https://sync.koalastuff.net/es/"/>
+    <xhtml:link rel="alternate" hreflang="pt-br" href="https://sync.koalastuff.net/pt-BR/"/>
+    <xhtml:link rel="alternate" hreflang="ru" href="https://sync.koalastuff.net/ru/"/>
+    <xhtml:link rel="alternate" hreflang="x-default" href="https://sync.koalastuff.net/"/>
   </url>
 </urlset>