Performance services impact

Performance impact by performance provider.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Phone field outcomes
Metric LCP INP CLS
1

At a glance the headline numbers for Performance services impact

Performance impact by performance provider.

8
Providers ranked
After min-sites filter
19,439
Sites in sample
Combined across all items
0.01
Best CLS (p75)
LiteSpeed Cache
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 LiteSpeed Cache 0.01 89.9%
5,011
2 W3 Total Cache 0.02 88.9%
352
3 WP Fastest Cache 0.02 88.6%
2,412
4 Autoptimize 0.02 91.4%
4,405
5 WP Rocket 0.02 89.7%
5,614
6 FlyingPress 0.03 88.4%
229
7 Cloudflare APO 0.03 89.3%
1,212
8 NitroPack 0.05 88.6%
204
The State of Web Vitals · October 2026 · 210,902 crawled sites · phone field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Autoptimize 2.1% 4,405 91% 0.02
LiteSpeed Cache 2.4% 5,011 90% 0.01
WP Rocket 2.7% 5,614 90% 0.02
Cloudflare APO 0.6% 1,212 89% 0.03
W3 Total Cache 0.2% 352 89% 0.02
WP Fastest Cache 1.1% 2,412 89% 0.02
NitroPack 0.1% 204 89% 0.05
FlyingPress 0.1% 229 88% 0.03
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

No provider stands out: pass rates sit between 88% and 91%. computed

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone 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 2.7%
812.3s
95135ms
900.02
721.9s
511.5s
LiteSpeed Cache 2.4%
842.2s
97121ms
900.01
761.8s
561.2s
Autoptimize 2.1%
682.8s
96123ms
910.02
562.3s
291.9s
WP Fastest Cache 1.1%
702.7s
97117ms
890.02
612.3s
431.7s
Cloudflare APO 0.6%
682.7s
92141ms
890.03
582.3s
331.8s
W3 Total Cache 0.2%
752.5s
96120ms
890.02
642.2s
401.5s
FlyingPress 0.1%
812.3s
95139ms
880.03
741.8s
611.2s
NitroPack 0.1%
822.2s
94135ms
890.05
731.9s
451.3s
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.

Autoptimize leads on CLS: 91% of its sites pass. FlyingPress trails at 88%. computed

The State of Web Vitals · October 2026 · 210,902 crawled sites · phone 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