Hion Afilar

About

Hion Afilar is a comprehensive developer tool designed for web developers, SEO professionals, and site administrators who need quick, detailed insights into website performance and SEO optimization.

🚀 KEY FEATURES

Performance Analysis
• Real-time Navigation Timing metrics (DNS, TCP, TTFB, DOM timing)
• Google PageSpeed Insights integration for Core Web Vitals
• Lighthouse performance scores with actionable recommendations
• Compare performance across different page loads or deployments

SEO Auditing
• Meta tag analysis (title, description, keywords)
• Heading structure visualization (H1, H2, H3)
• Robots directives and canonical URL checking
• Content length validation with best practice guidance
• Image alt text verification

Open Graph Preview
• Visual preview of how pages appear on social media
• Complete Open Graph and Twitter Card metadata
• Facebook, LinkedIn, and Twitter sharing simulations

Snapshot Management
• Save performance snapshots with PSI data
• Compare metrics between snapshots to track improvements
• Export snapshot data to CSV for reporting
• Track Core Web Vitals trends over time

🔒 PRIVACY & SECURITY

• All data stored locally on your device
• No tracking, analytics, or data collection
• Open source - verify the code yourself
• API keys stored securely in browser storage
• Uses activeTab permission - only accesses current page when clicked
• No broad permissions or background monitoring

🛠️ PERFECT FOR

• Web developers optimizing site performance
• SEO professionals auditing client websites
• Site administrators monitoring Core Web Vitals
• Marketing teams checking social media previews
• QA teams verifying deployments

📋 REQUIREMENTS

• Chrome browser (Manifest V3 compatible)
• Free Google PageSpeed Insights API key (optional, for PSI features)
  Get yours at: https://developers.google.com/speed/docs/insights/v5/get-started

🎯 PERMISSIONS EXPLAINED

This extension uses minimal permissions for maximum privacy:

• **activeTab**: Access current page only when you click the extension icon
• **scripting**: Execute scripts to collect performance/SEO data on demand
• **storage**: Save your API key and snapshots locally on your device
• **tabs**: Read page URL and title for context

**No broad permissions** - This extension does NOT request `<all_urls>` access. It only reads the specific tab you're viewing when you open the extension.

🌐 OPEN SOURCE

Review the code, contribute, or report issues:
https://github.com/devgeniem/afilar-chrome-extension

📖 DOCUMENTATION

Full documentation available in the repository README.

💡 QUICK START

1. Install the extension
2. (Optional) Add your PageSpeed Insights API key in Settings
3. Navigate to any website
4. Click the extension icon
5. Choose "Run All Audits" or individual checks
6. View results and save snapshots for comparison

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Privacy Policy: https://hiondigital.com/en/afilar-privacy-policy
Support: [email protected]
Developer: Hion Digital Oy