diff --git a/docs/img/thecodercafe.png b/docs/img/thecodercafe.png
index ebc5bc8..2e0383e 100644
Binary files a/docs/img/thecodercafe.png and b/docs/img/thecodercafe.png differ
diff --git a/docs/index.md b/docs/index.md
index 8c3345c..9d86222 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -8,9 +8,9 @@ status: new
 
 ???+ tip "The Coder Cafe"
 
-    If you enjoyed my book, you may be interested in my latest project: [The Coder Cafe](https://thecoder.cafe?rd=100go.co), a newsletter for coders.
+    Enjoyed my book? You will enjoy my newsletter too.
 
-    > Feeling overwhelmed by the endless stream of tech content? At The Coder Cafe, we serve timeless concepts with your coffee. Written by a Google SWE and published author, we help you grow as an engineer, one coffee at a time.
+    > AI is getting better every day. Are you? At The Coder Cafe, we serve fundamental concepts to make you an engineer that AI won't replace. Written by a Google SWE, trusted by thousands of engineers worldwide.
 
     <center><a href="https://thecoder.cafe?rd=100go.co"><img src="../img/thecodercafe.png" alt="" style="width:480px;height:240px;"></a></center>
 
@@ -2432,6 +2432,14 @@ Read the full section [here](98-profiling-execution-tracing.md).
 
 	This mistake isn't relevant anymore from Go 1.25 ([details](https://go.dev/blog/container-aware-gomaxprocs)).
 
+???+ tip "The Coder Cafe"
+
+    Enjoyed my book? You will enjoy my newsletter too.
+
+    > AI is getting better every day. Are you? At The Coder Cafe, we serve fundamental concepts to make you an engineer that AI won't replace. Written by a Google SWE, trusted by thousands of engineers worldwide.
+
+    <center><a href="https://thecoder.cafe?rd=100go.co"><img src="../img/thecodercafe.png" alt="" style="width:480px;height:240px;"></a></center>
+
 ## Community
 
 Thanks to all the contributors:
diff --git a/site/img/thecodercafe.png b/site/img/thecodercafe.png
index ebc5bc8..2e0383e 100644
Binary files a/site/img/thecodercafe.png and b/site/img/thecodercafe.png differ
diff --git a/site/sitemap.xml b/site/sitemap.xml
index 750a306..e5ce216 100644
--- a/site/sitemap.xml
+++ b/site/sitemap.xml
@@ -2,62 +2,62 @@
 <urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
     <url>
          <loc>https://100go.co/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/20-slice/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/28-maps-memory-leaks/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/5-interface-pollution/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/56-concurrency-faster/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/89-benchmarks/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/9-generics/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/92-false-sharing/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/98-profiling-execution-tracing/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/book/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/chapter-1/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/external/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/ja/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/pt-br/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
     <url>
          <loc>https://100go.co/zh/</loc>
-         <lastmod>2025-09-24</lastmod>
+         <lastmod>2026-04-21</lastmod>
     </url>
 </urlset>
\ No newline at end of file
diff --git a/site/sitemap.xml.gz b/site/sitemap.xml.gz
index 1d4eb8f..0ae1538 100644
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