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)
Fastly
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by LCP at p75, fastest first
| # | Provider | LCP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | Fastly | 2.0s | 85.9% | 6,447 | |
| 2 | Cloudflare | 2.0s | 86.2% | 23,815 | |
| 3 | Akamai | 2.1s | 83.1% | 4,958 | |
| 4 | Origin | 2.2s | 81.8% | 142,788 | |
| 5 | Vercel | 2.2s | 82.3% | 981 | |
| 6 | CloudFront | 2.3s | 80.6% | 6,145 | |
| 7 | Netlify | 2.4s | 78.0% | 343 |
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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 2.1s
Vercel 0.5% 981 2.2s
Origin 75.1% 142,788 2.2s
Cloudfront 3.2% 6,145 2.3s
Netlify 0.2% 343 2.4s
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
86% of Cloudflare sites pass LCP. Netlify trails 8 points behind. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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%
832.1s
97110ms
860.04
791.7s
601.1s
Cloudflare 12.5%
862.0s
94117ms
880.04
821.6s
69950ms
Netlify 0.2%
782.4s
75218ms
690.17
761.8s
481.1s
Origin 75.1%
822.2s
95106ms
880.03
751.8s
561.3s
Fastly 3.4%
862.0s
94103ms
880.02
831.5s
72867ms
Cloudfront 3.2%
812.3s
91136ms
780.09
771.7s
621.1s
Vercel 0.5%
822.2s
91150ms
840.05
791.7s
88560ms
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: 86% of its sites pass. Netlify trails at 78%. computed
The State of Web Vitals · Q2 2026 · 189,915 sites · all devices 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.