diff --git a/tinyrender/index.html b/tinyrender/index.html
index 9d5d720..a663d92 100644
--- a/tinyrender/index.html
+++ b/tinyrender/index.html
@@ -1,8 +1,9 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
         <title>tinyrender</title>
         <link rel="stylesheet" href="style.css">
+        <meta name="description" content="A lightweiht C++ graphics engine targeting WebGPU">
     </head>
     <body>
         <h1>tinyrender</h1>
@@ -23,7 +24,7 @@ <h3>Home</h3>
 
                 Tinyrender targets WebGPU and supports Desktop (MacOS/Windows/Linux) as well as the browser through WASM. <!--(<a href="">try it »</a>)-->
 
-                <img src="img/screenshot.png" style="width: 100%;"/>
+                <img src="img/screenshot.png" alt="Screenshot of running tinyrender on desktop natively" style="width: 100%;"/>
             </div>
         </div>
     </body>
diff --git a/tinyrender/install.html b/tinyrender/install.html
index 0461983..dc4e724 100644
--- a/tinyrender/install.html
+++ b/tinyrender/install.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
-        <title>tinyrender</title>
+        <title>tinyrender - install</title>
         <link rel="stylesheet" href="style.css">
 
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css">
diff --git a/tinyrender/sitemap.xml b/tinyrender/sitemap.xml
new file mode 100644
index 0000000..ba9c198
--- /dev/null
+++ b/tinyrender/sitemap.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<urlset
+      xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
+      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/sitemap.xsd">
+
+
+<url>
+  <loc>https://harveynw.github.io/tinyrender/</loc>
+  <lastmod>2023-11-08T19:09:54+00:00</lastmod>
+  <priority>1.00</priority>
+</url>
+<url>
+  <loc>https://harveynw.github.io/tinyrender/usage.html</loc>
+  <lastmod>2023-11-08T19:09:54+00:00</lastmod>
+  <priority>0.80</priority>
+</url>
+<url>
+  <loc>https://harveynw.github.io/tinyrender/install.html</loc>
+  <lastmod>2023-11-08T19:09:54+00:00</lastmod>
+  <priority>0.80</priority>
+</url>
+<url>
+  <loc>https://harveynw.github.io/tinyrender/index.html</loc>
+  <lastmod>2023-11-08T19:09:54+00:00</lastmod>
+  <priority>0.64</priority>
+</url>
+
+
+</urlset>
\ No newline at end of file
diff --git a/tinyrender/usage.html b/tinyrender/usage.html
index 7b0842c..43b7ece 100644
--- a/tinyrender/usage.html
+++ b/tinyrender/usage.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
     <head>
-        <title>tinyrender</title>
+        <title>tinyrender - usage</title>
         <link rel="stylesheet" href="style.css">
 
         <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/default.min.css">
