The Grover Performance IndexTM Methodology
The Grover Performance Index™️ measures website performance through a business lens by evaluating five weighted performance pillars.
Technical Performance (20%)
Measures:
Core Web Vitals
Page speed
Mobile performance
Asset optimization
Caching configuration
CDN usage
Code efficiency
Purpose: Ensure infrastructure supports user experience and SEO performance.
Infrastructure & Security (15%)
Measures:
Hosting quality
SSL configuration
TLS version
HTTP/3 usage
Security headers
Backup systems
Platform stability
Purpose: Ensure the website operates on a secure, scalable foundation.
User Experience & Clarity (25%)
Measures:
Navigation simplicity
Above-the-fold clarity
Information hierarchy
Mobile usability
Friction points
Readability
Layout efficiency
Purpose: Ensure users can easily find what they need and take action.
Conversion Optimization (25%)
Measures:
CTA visibility
Conversion pathways
Form friction
Trust signals
Offer clarity
Messaging alignment
Funnel structure
Purpose: Evaluate how effectively the site converts traffic into leads or revenue.
Business Alignment (15%)
Measures:
Clear value proposition
Target audience clarity
Strategic positioning
Alignment with revenue goals
Call-to-action intent clarity
Measurement & analytics readiness
Purpose: Ensure the website functions as a strategic business asset.
Final GPI Score
Scores are weighted across all five pillars and normalized into a 0–100 scale.
Score tiers:
90–100: Elite Performance
75–89: Strong Business Performance
60–74: Moderate Performance
40–59: Underperforming
Below 40: Critical Issues
This structure positions GPI as a measurable framework, not just a calculator.