Performance services impact React sites
Performance impact by performance provider.
1
At a glance the headline numbers for Performance services impact
Performance impact by performance provider.
4
Providers ranked
After min-sites filter
575
Sites in sample
Combined across all items
105ms
Best INP (p75)
LiteSpeed Cache
The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
2
The ranking sorted by INP at p75, fastest first
| # | Provider | INP p75 | Passing | Sites | |
|---|---|---|---|---|---|
| 1 | LiteSpeed Cache | 105ms | 100.0% | 160 | |
| 2 | WP Fastest Cache | 109ms | 98.0% | 68 | |
| 3 | Autoptimize | 114ms | 100.0% | 132 | |
| 4 | WP Rocket | 122ms | 97.3% | 215 |
The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
3
Passing INP per provider which group passes the INP most often
ProviderSitesPassing INPp75
LiteSpeed Cache 1.7% 160 105ms
Autoptimize 1.4% 132 114ms
Cloudflare APO 0.4% 42 127ms
FlyingPress 0.1% 14 118ms
W3 Total Cache 0.1% 8 109ms
NitroPack 0.1% 6 96ms
WP Fastest Cache 0.7% 68 109ms
WP Rocket 2.2% 215 122ms
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good INP (200ms at p75) · one value per site
No provider stands out: pass rates sit between 97% and 100%. computed
The State of Web Vitals · October 2026 · React sites (9,570) · 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
WP Rocket 2.2%
722.6s
97122ms
860.06
642.2s
332.0s
LiteSpeed Cache 1.7%
782.4s
100105ms
910.04
672.1s
411.7s
Autoptimize 1.4%
553.2s
100114ms
820.06
462.7s
162.1s
WP Fastest Cache 0.7%
593.2s
98109ms
720.12
572.9s
432.5s
Cloudflare APO 0.4%
553.1s
100127ms
880.04
412.5s
252.2s
FlyingPress 0.1%
692.6s
100118ms
690.15
542.0s
182.2s
W3 Total Cache 0.1%
634.3s
100109ms
880.07
383.8s
02.3s
NitroPack 0.1%
502.9s
10096ms
670.10
502.6s
202.1s
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.
LiteSpeed Cache leads on INP: 100% of its sites pass. WP Rocket trails at 97%. computed
The State of Web Vitals · October 2026 · React sites (9,570) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Analytics (20) → Reviews (8) → Maps (4) → CMS (17) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured
210,902 crawled sites with Chrome field data, representing millions of real page loads. How we measured.