CDN performance

Performance breakdown by cdn.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · Phone 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
122ms
Best INP (p75)
Fastly
The State of Web Vitals · Q1 2026 · 94,910 sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Item INP p75 Passing Sites
1 Fastly 122ms 91.3%
3,357
2 No CDN (origin) 125ms 92.4%
72,501
3 Akamai 128ms 94.5%
2,663
4 Cloudflare 137ms 91.2%
12,431
5 CloudFront 156ms 87.4%
3,241
6 Vercel 170ms 84.5%
538
7 Netlify 232ms 69.7%
175
The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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 95% 128ms
No CDN (origin) 76.4% 72,501 92% 125ms
Fastly 3.5% 3,357 91% 122ms
Cloudflare 13.1% 12,431 91% 137ms
CloudFront 3.4% 3,241 87% 156ms
Vercel 0.6% 538 85% 170ms
Netlify 0.2% 175 70% 232ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

95% of Akamai sites pass INP. Netlify trails 25 points behind, leaving 30% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 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
No CDN (origin) 76.4%
812.2s
92125ms
900.01
751.8s
571.2s
Cloudflare 13.1%
862.0s
91137ms
890.02
811.6s
69946ms
Fastly 3.5%
852.0s
91122ms
890.01
811.6s
73854ms
CloudFront 3.4%
792.3s
87156ms
790.08
751.8s
621.1s
Akamai 2.8%
822.2s
95128ms
880.02
771.7s
591.1s
Vercel 0.6%
802.3s
85170ms
840.04
761.8s
88618ms
Netlify 0.2%
702.6s
70232ms
670.21
681.9s
461.1s
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: 95% of its sites pass. Netlify trails at 70%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · phone 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