CDN performance

Performance breakdown by cdn.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · All devices field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for CDN performance

Performance breakdown by cdn.

7
Items ranked
After min-sites filter
94,906
Sites in sample
Combined across all items
103ms
Best INP (p75)
Fastly
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Item INP p75 Passing Sites
1 Fastly 103ms 94.0%
3,357
2 No CDN (origin) 106ms 95.1%
72,501
3 Akamai 109ms 96.8%
2,663
4 Cloudflare 116ms 94.1%
12,431
5 CloudFront 135ms 91.0%
3,241
6 Vercel 153ms 90.4%
538
7 Netlify 177ms 78.5%
175
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing INP per item which group passes the INP most often

ItemSitesPassing INPp75
Akamai 2.8% 2,663 97% 109ms
No CDN (origin) 76.4% 72,501 95% 106ms
Cloudflare 13.1% 12,431 94% 116ms
Fastly 3.5% 3,357 94% 103ms
CloudFront 3.4% 3,241 91% 135ms
Vercel 0.6% 538 90% 153ms
Netlify 0.2% 175 79% 177ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

97% of Akamai sites pass INP. Netlify trails 18 points behind. computed

The State of Web Vitals · Q1 2026 · 94,910 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
No CDN (origin) 76.4%
822.2s
95106ms
880.03
761.8s
561.2s
Cloudflare 13.1%
862.0s
94116ms
880.04
821.5s
69951ms
Fastly 3.5%
862.0s
94103ms
890.02
831.5s
72871ms
CloudFront 3.4%
812.3s
91135ms
780.09
781.7s
631.1s
Akamai 2.8%
832.1s
97109ms
870.04
791.7s
601.1s
Vercel 0.6%
832.2s
90153ms
840.05
791.7s
89578ms
Netlify 0.2%
742.5s
79177ms
710.15
751.8s
471.1s
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites

One row per item, 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.

Akamai leads on INP: 97% of its sites pass. Netlify trails at 79%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
Related signals CMS (10) → Frameworks (11) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured