Performance services impact WordPress sites
Performance impact by performance provider.
1
At a glance the headline numbers for Performance services impact
Performance impact by performance provider.
8
Providers ranked
After min-sites filter
15,516
Sites in sample
Combined across all items
0.07
Best CLS (p75)
NitroPack
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by CLS at p75, fastest first
| # | Provider | CLS p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | NitroPack | 0.07 | 85.7% | 183 | |
| 2 | FlyingPress | 0.08 | 79.7% | 191 | |
| 3 | W3 Total Cache | 0.09 | 79.0% | 302 | |
| 4 | WP Fastest Cache | 0.09 | 78.3% | 2,014 | |
| 5 | Autoptimize | 0.10 | 76.9% | 3,652 | |
| 6 | LiteSpeed Cache | 0.10 | 75.6% | 4,083 | |
| 7 | WP Rocket | 0.10 | 75.5% | 4,279 | |
| 8 | Cloudflare APO | 0.11 | 74.9% | 812 |
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
3
Passing CLS per provider which group passes the CLS most often
ProviderSitesPassing CLSp75
NitroPack 0.3% 183 0.07
FlyingPress 0.3% 191 0.08
W3 Total Cache 0.5% 302 0.09
WP Fastest Cache 3.2% 2,014 0.09
Autoptimize 5.8% 3,652 0.10
LiteSpeed Cache 6.5% 4,083 0.10
WP Rocket 6.8% 4,279 0.10
Cloudflare APO 1.3% 812 0.11
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 NitroPack sites pass CLS. Cloudflare APO trails 11 points behind. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 6.8%
792.3s
10066ms
760.10
721.9s
401.8s
LiteSpeed Cache 6.5%
772.4s
9963ms
760.10
712.0s
411.6s
Autoptimize 5.8%
762.5s
10064ms
770.10
682.0s
311.7s
WP Fastest Cache 3.2%
832.1s
9960ms
780.09
771.7s
511.4s
Cloudflare APO 1.3%
672.8s
9967ms
750.11
602.3s
321.8s
W3 Total Cache 0.5%
762.3s
10062ms
790.09
692.0s
391.4s
FlyingPress 0.3%
812.4s
10073ms
800.08
731.9s
461.7s
NitroPack 0.3%
782.4s
10068ms
860.07
711.8s
351.6s
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.
NitroPack leads on CLS: 86% of its sites pass. Cloudflare APO trails at 75%. computed
The State of Web Vitals · October 2026 · WordPress sites (63,295) · desktop field datacorewebvitals.io/state-of-cwv
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