diff --git a/robots.txt b/robots.txt
new file mode 100644
index 00000000..add74381
--- /dev/null
+++ b/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Sitemap: https://www.mdanalysis.org/sitemapindex.xml
diff --git a/sitemapindex.xml b/sitemapindex.xml
new file mode 100644
index 00000000..4eb8009f
--- /dev/null
+++ b/sitemapindex.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<sitemapindex xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9 http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd"
+xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
+  <sitemap>
+    <loc>https://docs.mdanalysis.org/1.0.0/sitemap.xml</loc>
+  </sitemap>  
+  <sitemap>
+    <loc>https://userguide.mdanalysis.org/1.0.0/sitemap.xml</loc>
+  </sitemap>  
+  <sitemap>
+    <loc>https://www.mdanalysis.org/pmda/sitemap.xml</loc>
+  </sitemap>
+  <sitemap>
+    <loc>https://www.mdanalysis.org/GridDataFormats/sitemap.xml</loc>
+  </sitemap>
+  <sitemap>
+    <loc>https://www.mdanalysis.org/MDAnalysisData/sitemap.xml</loc>
+  </sitemap>
+  <sitemap>
+    <loc>https://www.mdanalysis.org/RotamerConvolveMD/sitemap.xml</loc>
+  </sitemap>
+</sitemapindex>