CDN performance

Performance breakdown by cdn.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · Desktop 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
63ms
Best INP (p75)
No CDN (origin)
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by INP at p75, fastest first

# Item INP p75 Passing Sites
1 No CDN (origin) 63ms 99.0%
72,501
2 Akamai 63ms 99.4%
2,663
3 Fastly 66ms 98.1%
3,357
4 Cloudflare 71ms 98.8%
12,431
5 CloudFront 82ms 96.8%
3,241
6 Vercel 90ms 98.9%
538
7 Netlify 128ms 83.8%
175
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop 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 99% 63ms
No CDN (origin) 76.4% 72,501 99% 63ms
Vercel 0.6% 538 99% 90ms
Cloudflare 13.1% 12,431 99% 71ms
Fastly 3.5% 3,357 98% 66ms
CloudFront 3.4% 3,241 97% 82ms
Netlify 0.2% 175 84% 128ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site

99% of Akamai sites pass INP. Netlify trails 15 points behind. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · desktop 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%
862.0s
9963ms
780.09
821.6s
621.1s
Cloudflare 13.1%
881.9s
9971ms
800.08
851.4s
68974ms
Fastly 3.5%
871.9s
9866ms
780.09
861.4s
621.0s
CloudFront 3.4%
842.1s
9782ms
730.11
821.5s
661.0s
Akamai 2.8%
891.9s
9963ms
800.08
851.5s
651.0s
Vercel 0.6%
901.8s
9990ms
810.08
921.2s
93434ms
Netlify 0.2%
772.4s
84128ms
720.11
851.4s
82753ms
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.

No CDN (origin) leads on INP: 99% of its sites pass. Netlify trails at 84%. computed

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