diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -70,6 +70,12 @@ The theme is inspired by and accordingly named after [Gokarna](https://en.wikipe
 
 ![Gokarna](/images/gokarna.jpg)
 
+## Performance
+
+Google Lighthouse check score: 100%
+
+![Lighthouse Score](/images/lighthouse.png)
+
 ## LICENSE
 
 This code is licensed under [GNU GPLv3](https://www.gnu.org/licenses/gpl-3.0.html)
diff --git a/exampleSite/static/android-chrome-192x192.png b/exampleSite/static/android-chrome-192x192.png
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diff --git a/exampleSite/static/favicon-16x16.png b/exampleSite/static/favicon-16x16.png
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diff --git a/exampleSite/static/images/theme-documentation-advanced/preview.png b/exampleSite/static/images/theme-documentation-advanced/preview.png
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diff --git a/exampleSite/static/site.webmanifest b/exampleSite/static/site.webmanifest
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--- /dev/null
+++ b/exampleSite/static/site.webmanifest
@@ -0,0 +1 @@
+{"name":"","short_name":"","icons":[{"src":"/android-chrome-192x192.png","sizes":"192x192","type":"image/png"},{"src":"/android-chrome-512x512.png","sizes":"512x512","type":"image/png"}],"theme_color":"#ffffff","background_color":"#ffffff","display":"standalone"}
\ No newline at end of file
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