diff --git a/README.md b/README.md
index a3f7f35..f3fb012 100644
--- a/README.md
+++ b/README.md
@@ -1,21 +1,27 @@
 # Trending Keywords App with Opportunity Scoring
 
-A web application that identifies globally trending keywords with high search volume but low competition, and generates ChatGPT-friendly prompts for article creation based on those keywords.
+A web application that identifies real-time trending keywords from Google Trends with high search volume but low competition, and generates ChatGPT-friendly prompts for article creation based on those keywords.
 
 ## Features
 
+- **Real-time Google Trends Integration**: Fetches current trending topics directly from Google Trends API
 - **Dynamic Keyword Opportunity Scoring**: Identifies keywords with high search volume but low result count, providing content creation opportunities
-- **Multiple Data Sources**: Fetches trending topics from Wikipedia, Google Trends (simulated), and emerging research topics
-- **Detailed Metrics Display**: Shows opportunity score, search volume, result count, and competition level for each keyword
+- **Advanced Metrics**: Includes Search Relevance (SR) and Difficulty Rating (DR) for better keyword evaluation
+- **Color-Coded Quality Indicators**: Green highlighting for high-opportunity keywords
+- **Caching Mechanism**: Optimizes performance by reducing API calls with a 30-minute cache
+- **Timestamp Display**: Shows when trending data was last updated
 - **ChatGPT Prompt Generation**: Creates optimized article prompts based on selected keywords and their metrics
 - **Copy to Clipboard**: One-click copying of generated prompts for easy use with ChatGPT
 - **Responsive Design**: Works on desktop and mobile devices
 
 ## Technical Implementation
 
-- **Frontend-Only Architecture**: Pure HTML, CSS, and JavaScript implementation that runs entirely in the browser
+- **Google Trends API Integration**: Real-time data fetching with fallback mechanisms
 - **Opportunity Scoring Algorithm**: Uses a weighted average of normalized search volume and inverse normalized result count
-- **API Integration**: Fetches real-time trending topics from the Wikipedia API with fallback options
+- **Color-Coding System**:
+  - Green: High-quality keywords (score > 70)
+  - Yellow/Orange: Medium-quality keywords (score 50-70)
+  - Red: Low-quality keywords (score < 50)
 - **Asynchronous Data Processing**: Handles multiple data sources and enrichment processes efficiently
 
 ## How to Use
@@ -33,12 +39,14 @@ A web application that identifies globally trending keywords with high search vo
 trending-keywords-app/
 ├── index.html          # Main HTML structure
 ├── styles.css          # CSS styling
-└── app.js              # JavaScript functionality
+├── app.js              # JavaScript functionality
+└── trends-api.js       # Google Trends API integration with caching
 ```
 
 ## Future Enhancements
 
-- Integration with additional trending topic APIs
+- Historical trend analysis
+- Keyword clustering by topic
+- Export functionality for selected keywords
 - User accounts to save favorite keywords and prompts
-- Advanced filtering options for keyword discovery
-- Custom prompt templates for different content types
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+- Advanced filtering options for keyword discovery
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