Documentation
Learn how to use LoadTime Analyzer and understand website performance metrics
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Understanding Resource Timing
Learn how the Resource Timing API works and what each metric means for your website's performance.
Read Guide
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Reading Waterfall Charts
Master the art of reading waterfall charts to quickly identify performance bottlenecks in your website.
Read Guide
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Optimization Guides
Practical strategies and techniques to improve your website's loading performance and user experience.
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Quick Start
- Enter a URL: Start by entering any website URL into the analyzer on our home page
- View Results: Wait for the analysis to complete (usually 5-15 seconds)
- Analyze the Waterfall: Review the visual timeline to see when each resource loaded
- Check Recommendations: Review actionable optimization suggestions
- Share Results: Use the share button to save and share your analysis with others
Common Topics
Performance Metrics
- • Time to First Byte (TTFB)
- • First Contentful Paint (FCP)
- • DOM Content Loaded (DCL)
- • Page Load Complete
Resource Types
- • JavaScript files
- • CSS stylesheets
- • Images and media
- • Web fonts
- • Third-party scripts
Optimization Techniques
- • Code splitting and lazy loading
- • Image optimization
- • Caching strategies
- • Compression (gzip/brotli)
Common Issues
- • Render-blocking resources
- • Slow third-party scripts
- • Large image files
- • Missing cache headers