1
At a glance the headline numbers for Performance services impact
Performance impact by performance provider.
8
Providers ranked
After min-sites filter
9,366
Sites in sample
Combined across all items
0.06
Best CLS (p75)
FlyingPress
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | FlyingPress | 0.06 | 86.1% | 108 | |
| 2 | Autoptimize | 0.08 | 78.7% | 1,926 | |
| 3 | W3 Total Cache | 0.09 | 79.2% | 157 | |
| 4 | WP Fastest Cache | 0.09 | 76.6% | 1,164 | |
| 5 | Cloudflare APO | 0.10 | 75.5% | 846 | |
| 6 | LiteSpeed Cache | 0.10 | 77.4% | 2,385 | |
| 7 | WP Rocket | 0.10 | 75.7% | 2,684 | |
| 8 | NitroPack | 0.13 | 69.0% | 96 |
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
FlyingPress 0.1% 108 0.06
W3 Total Cache 0.2% 157 0.09
Autoptimize 2% 1,926 0.08
LiteSpeed Cache 2.5% 2,385 0.10
WP Fastest Cache 1.2% 1,164 0.09
WP Rocket 2.8% 2,684 0.10
Cloudflare APO 0.9% 846 0.10
NitroPack 0.1% 96 0.13
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good CLS (0.1 at p75) · one value per site
86% of FlyingPress sites pass CLS. Cloudflare APO trails 10 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
WP Rocket 2.8%
812.2s
10064ms
760.10
761.8s
431.7s
LiteSpeed Cache 2.5%
792.3s
9963ms
770.10
741.8s
421.5s
Autoptimize 2%
782.4s
10063ms
790.08
701.9s
351.6s
WP Fastest Cache 1.2%
832.1s
10058ms
770.09
771.7s
521.4s
Cloudflare APO 0.9%
742.6s
9967ms
760.10
672.1s
371.7s
W3 Total Cache 0.2%
832.1s
10063ms
790.09
741.8s
431.4s
FlyingPress 0.1%
742.5s
10072ms
860.06
642.3s
451.7s
NitroPack 0.1%
792.3s
10062ms
690.13
791.7s
371.5s
60%95%+ passing Cell: pass rate, small number = p75 · faded rows: under 100 sites
One row per provider, 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.
FlyingPress leads on CLS: 86% of its sites pass. Cloudflare APO trails at 76%. computed
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
Related signals Analytics (20) → Reviews (8) → Maps (4) → Consent platforms (16) → Chrome field data from 94,910 sites, representing millions of real page loads · How we measured
Chrome field data from 94,910 sites, representing millions of real page loads. How we measured.