Add performance results screenshot

Author: umutdeveloper

README.md

@@ -32,7 +32,9 @@ To further reduce the number of DOM nodes, review and remove unnecessary nodes,
 
 ## Performance Results
 
-After implementing and testing these optimizations with **Lighthouse**, we achieved a performance score of **96** with no blocking time remaining. This demonstrates the effectiveness of these techniques.
+After implementing and testing these optimizations with **Lighthouse**, we achieved a performance score of **100** with no blocking time remaining. This demonstrates the effectiveness of these techniques.
+
+![Screenshot of the Lighthouse Result](/lighthouse.png)
 
 ## Conclusion