Explore 203,892 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
120 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), CMS (12), Frameworks (11)…
- Third parties 27 signals JS libraries (26), Analytics (20), CMS (17)…
- Main thread 1 signals Top INP blockers (25)…
- LCP Image 8 signals LCP discovery, LCP element type, LCP image format…
- LCP Timing 1 signals LCP phase breakdown…
- Page resources 36 signals Bytes by resource type, Compression mix, Cookies per site…
- INP 6 signals Blocking frame breakdown, CSS hints, INP phase breakdown…
- CLS 5 signals Largest single shift, Layout shift count, Shift concentration…
- CDN & Delivery 12 signals Cache strategy mix, Cacheable responses, Connection hints…
- Synthetic (lab) 4 signals Document lifecycle (lab), Lab paint timeline, Main-thread CPU (lab)…
- Speculation rules 2 signals Speculation eagerness, Speculation posture…
- Tech stack 10 signals Ad networks on page, Analytics on page, CMS…
203,892 crawled sites with Chrome field data, representing millions of real page loads, October 2026 edition. How we measured.