CDN impact
Time to first byte by CDN provider, measured in real-user Chrome data.
1
At a glance the headline numbers for CDN impact
Time to first byte by CDN provider, measured in real-user Chrome data.
7
Providers ranked
After min-sites filter
185,477
Sites in sample
Combined across all items
2.0s
Best LCP (p75)
Cloudflare
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Cloudflare | 2.0s | 85.4% | 23,815 | |
| 2 | Fastly | 2.0s | 84.4% | 6,447 | |
| 3 | Origin | 2.2s | 81.1% | 142,788 | |
| 4 | Akamai | 2.2s | 81.3% | 4,958 | |
| 5 | CloudFront | 2.3s | 79.4% | 6,145 | |
| 6 | Vercel | 2.4s | 79.4% | 981 | |
| 7 | Netlify | 2.5s | 73.7% | 343 |
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
3
Passing LCP per CDN which group passes the LCP most often
CDNSitesPassing LCPp75
Cloudflare 12.5% 23,815 2.0s
Fastly 3.4% 6,447 2.0s
Akamai 2.6% 4,958 2.2s
Origin 75.1% 142,788 2.2s
Vercel 0.5% 981 2.4s
Cloudfront 3.2% 6,145 2.3s
Netlify 0.2% 343 2.5s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site
85% of Cloudflare sites pass LCP. Netlify trails 11 points behind, leaving 26% of its sites failing. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
4
All five vitals at once the whole category without toggling - cell is the pass rate, small number the p75
LCP
INP
CLS
FCP
TTFB
Akamai 2.6%
812.2s
94129ms
880.02
771.7s
581.1s
Cloudflare 12.5%
852.0s
91137ms
890.02
811.6s
69937ms
Netlify 0.2%
742.5s
64361ms
650.25
721.9s
471.1s
Origin 75.1%
812.2s
92125ms
900.01
741.8s
561.2s
Fastly 3.4%
842.0s
91123ms
880.01
801.6s
73844ms
Cloudfront 3.2%
792.3s
87154ms
790.08
751.8s
611.1s
Vercel 0.5%
792.4s
84169ms
840.05
761.8s
86599ms
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites
One row per CDN, one column per vital - the cell is the share of sites passing, the small number the p75. No toggling needed to see where the category actually differs.
Cloudflare leads on LCP: 85% of its sites pass. Netlify trails at 74%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · phone field datacorewebvitals.io/state-of-cwv
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Related signals Marketing pixels (10) → Bot detection (8) → Forms (4) → Personalization (6) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured
Chrome field data from 189,915 sites, representing millions of real page loads. How we measured.