Performance / Frontend
Loading performance, resources and layout checks.
Image Format Recommender
Recommend the right image format (WebP, AVIF, PNG, JPEG) for your use case.
Cache-Control Builder
Build a Cache-Control header for your resource type.
Resource Hints Generator
Generate preload, preconnect and dns-prefetch link tags.
Response Time Test
Measure a URL's server response time and redirect overhead.
Compression (gzip/brotli) Check
Check whether the server applies gzip/brotli compression and the savings.
Page Weight Analyzer
Analyze a page's HTML size and the count/type of referenced resources.