Performance services impact WordPress sites

Performance impact by performance provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · WordPress sites only
Metric LCP INP CLS
WordPress Scoped to 63,295 sites out of 203,892 analyzed (cms) Compare with all sites →
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
101ms
Best INP (p75)
LiteSpeed Cache
The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 101ms 98.5%
4,083
2 WP Fastest Cache 104ms 98.5%
2,014
3 W3 Total Cache 107ms 98.2%
302
4 Autoptimize 110ms 98.3%
3,652
5 NitroPack 112ms 97.1%
183
6 Cloudflare APO 114ms 96.0%
812
7 FlyingPress 114ms 97.4%
191
8 WP Rocket 115ms 96.7%
4,279
The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing INP per provider which group passes the INP most often

ProviderSitesPassing INPp75
LiteSpeed Cache 6.5% 4,083 99% 101ms
WP Fastest Cache 3.2% 2,014 99% 104ms
Autoptimize 5.8% 3,652 98% 110ms
W3 Total Cache 0.5% 302 98% 107ms
FlyingPress 0.3% 191 97% 114ms
NitroPack 0.3% 183 97% 112ms
WP Rocket 6.8% 4,279 97% 115ms
Cloudflare APO 1.3% 812 96% 114ms
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 96% and 99%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · 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 6.8%
782.4s
97115ms
880.04
692.0s
441.7s
LiteSpeed Cache 6.5%
832.2s
99101ms
890.04
761.8s
521.3s
Autoptimize 5.8%
682.8s
98110ms
890.04
562.4s
262.0s
WP Fastest Cache 3.2%
692.7s
99104ms
870.04
622.3s
421.8s
Cloudflare APO 1.3%
652.8s
96114ms
870.05
552.4s
272.0s
W3 Total Cache 0.5%
742.5s
98107ms
890.05
622.2s
371.7s
FlyingPress 0.3%
842.3s
97114ms
890.05
741.9s
561.4s
NitroPack 0.3%
792.3s
97112ms
880.05
721.9s
391.6s
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.

LiteSpeed Cache leads on INP: 99% of its sites pass. Cloudflare APO trails at 96%. computed

The State of Web Vitals · October 2026 · WordPress sites (63,295) · all devices field datacorewebvitals.io/state-of-cwv
Related signals Analytics (20) → Reviews (8) → Maps (4) → CMS (17) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured