Update README.md

Author: farhan7reza7

README.md

@@ -44,6 +44,8 @@
 - 🔍 **[Advanced Quran Search](https://www.quranbookk.com/quran/search)** – Search verses, words, topics in seconds  
 - 📖 **[Explore Surahs](https://www.quranbookk.com/quran/surahs)** – Full Quran access with audio, video, and translations
 - 📖 **[Explore Juzs (Paras)](https://www.quranbookk.com/quran/juzs)** – Full Quran access with audio, video, and translations
+- ⚡ **[Internet Speed Test](https://www.quranbookk.com/internet-speed-tester)** – Get correct download, upload and ping speeds instantly
+
 
 The `diff-ymd-package` emerged from QuranBookk's need for precise Islamic date calculations and is now powering time-based features across the platform.