NEW: Our Guide to Core Web Vitals, with Examples and Tips

Filmstrip Comparison

Adjust Filmstrip Settings
Filmstrip Options
Thumbnail Size
Thumbnail Interval
Comparison Endpoint
Advanced options...
Download filmstrip image...

Filmstrip key:

  • Visual change
  • Visual change + Layout Shift
  • Largest Contentful Paint
  • Largest Contentful Paint + Layout Shift
Waterfall Opacity (Adjust the transparency of each run's waterfall)