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4 months ago
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Scan your HTML campaigns for deliverability issues and best practices. Get instant feedback to maximize your inbox placement rate.
Comprehensive analysis
Link & image testing
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100% free
We continuously improve our analysis engine. Found an incorrect result?Let us know
Email Template Validator
Test your HTML email templates for deliverability and best practices
9 Critical Checks We Perform
🤖 AI Spam Detection
Advanced machine learning identifies spam triggers, suspicious content patterns, and classifies marketing vs transactional emails.
🔗 Link Validation
Test all links for accessibility and broken URLs. Validates up to 50 links per template for reliability.
⚡ Link Performance
Measure link response times and identify slow-loading links that could hurt deliverability and user experience.
🖼️ Image Accessibility
Check image alt attributes, accessibility compliance, and validate image URLs for proper rendering.
📏 Image Optimization
Analyze image file sizes, dimensions, and formats. Suggests CDN optimizations and compression opportunities.
📧 Unsubscribe Compliance
Validates unsubscribe links for marketing emails, ensuring compliance with email regulations and CAN-SPAM laws.
🏗️ HTML Structure
Analyze basic HTML structure, character encoding, and proper document formatting for email clients.
📱 Email Client Compatibility
Check for external resources, JavaScript usage, and layout structure optimized for email clients.
🎯 Performance Optimization
Comprehensive analysis identifying broken resources, performance bottlenecks, and optimization suggestions.
