Explore 94,910 websites
Pivot to any metric, technology, or signal in the dataset. Charts pick themselves. Prose writes itself.
Hot questions this edition
Preload, fetchpriority — do the hints help?
LCP by priority hint on the element
Which CMS is fastest?
WordPress, Shopify, Wix, Squarespace ranked
What blocks the main thread?
Top scripts in long animation frames
Are AVIF sites faster?
JPEG, WebP, AVIF, JXL ranked by LCP
Where do the LCP milliseconds go?
TTFB, load delay, load time, render delay
How big is the JavaScript tax on INP?
Script count and weight vs INP
How much shipped JavaScript even runs?
Used vs unused script bytes
Which CDNs hit the lowest TTFB?
Cloudflare, Akamai, Fastly, CloudFront
INP cost of analytics scripts
GA4, Plausible, Fathom, Matomo
DOM size and CLS
How DOM growth correlates with shifts
Or browse the data
119 signals across 13 sections. Use the tree on the left or the search box.
- Headline metrics 5 signals LCP, INP, CLS…
- Tech stack 3 signals CDN (7), Frameworks (11), CMS (10)…
- Third parties 26 signals JS libraries (22), Analytics (20), Chat & messaging (16)…
- Main thread 1 signals Top INP blockers (25)…
- Page resources 36 signals Bytes by resource type, Compression mix, Cookies per site…
- CDN & Delivery 12 signals Cache strategy mix, Cacheable responses, Connection hints…
- Speculation rules 2 signals Speculation eagerness, Speculation posture…
- INP 6 signals Blocking frame breakdown, CSS hints, INP phase breakdown…
- Synthetic (lab) 4 signals Document lifecycle (lab), Lab paint timeline, Main-thread CPU (lab)…
- CLS 5 signals Largest single shift, Layout shift count, Shift concentration…
- LCP Timing 1 signals LCP phase breakdown…
- LCP Image 8 signals LCP discovery, LCP element type, LCP image format…
- Tech stack 10 signals Ad networks on page, Analytics on page, CMS…
Chrome field data from 94,910 sites, representing millions of real page loads, Q1 2026 edition. How we measured.