Performance services impact

Performance impact by performance provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · Desktop 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
9,366
Sites in sample
Combined across all items
2.1s
Best LCP (p75)
W3 Total Cache
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 W3 Total Cache 2.1s 83.0%
157
2 WP Fastest Cache 2.1s 82.6%
1,164
3 WP Rocket 2.2s 81.4%
2,684
4 LiteSpeed Cache 2.3s 79.4%
2,385
5 NitroPack 2.3s 78.6%
96
6 Autoptimize 2.4s 77.7%
1,926
7 FlyingPress 2.5s 74.3%
108
8 Cloudflare APO 2.6s 73.7%
846
The State of Web Vitals · Q1 2026 · 94,910 sites · desktop field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
W3 Total Cache 0.2% 157 83% 2.1s
WP Fastest Cache 1.2% 1,164 83% 2.1s
WP Rocket 2.8% 2,684 81% 2.2s
LiteSpeed Cache 2.5% 2,385 79% 2.3s
NitroPack 0.1% 96 79% 2.3s
Autoptimize 2% 1,926 78% 2.4s
FlyingPress 0.1% 108 74% 2.5s
Cloudflare APO 0.9% 846 74% 2.6s
Good Needs Improvement Poor Sorted best-passing first · median colored by its own rating · pass = good LCP (2.5s at p75) · one value per site

83% of W3 Total Cache sites pass LCP. Cloudflare APO trails 9 points behind, leaving 26% of its sites failing. 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.

WP Fastest Cache leads on LCP: 83% of its sites pass. FlyingPress trails at 74%. 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