Performance services impact

Performance impact by performance provider.

Field data PhoneDesktopAll Scope All sites Q1 2026 edition · All devices 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)
NitroPack
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 NitroPack 2.1s 84.0%
96
2 LiteSpeed Cache 2.2s 84.4%
2,385
3 FlyingPress 2.2s 85.0%
108
4 WP Rocket 2.3s 79.4%
2,684
5 W3 Total Cache 2.5s 74.3%
157
6 Cloudflare APO 2.6s 71.8%
846
7 WP Fastest Cache 2.7s 70.0%
1,164
8 Autoptimize 2.8s 67.7%
1,926
The State of Web Vitals · Q1 2026 · 94,910 sites · all devices field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
FlyingPress 0.1% 108 85% 2.2s
LiteSpeed Cache 2.5% 2,385 84% 2.2s
NitroPack 0.1% 96 84% 2.1s
WP Rocket 2.8% 2,684 79% 2.3s
W3 Total Cache 0.2% 157 74% 2.5s
Cloudflare APO 0.9% 846 72% 2.6s
WP Fastest Cache 1.2% 1,164 70% 2.7s
Autoptimize 2% 1,926 68% 2.8s
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

85% of FlyingPress sites pass LCP. Autoptimize trails 17 points behind, leaving 32% of its sites failing. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · 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 2.8%
792.3s
97113ms
880.04
721.9s
461.6s
LiteSpeed Cache 2.5%
842.2s
98101ms
880.03
771.7s
531.3s
Autoptimize 2%
682.8s
99112ms
890.04
582.4s
281.9s
WP Fastest Cache 1.2%
702.7s
99104ms
870.04
622.3s
411.8s
Cloudflare APO 0.9%
722.6s
96110ms
880.04
622.2s
351.8s
W3 Total Cache 0.2%
742.5s
96107ms
860.06
642.2s
341.6s
FlyingPress 0.1%
852.2s
100112ms
870.04
761.7s
551.1s
NitroPack 0.1%
842.1s
99112ms
860.05
761.8s
401.4s
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.

FlyingPress leads on LCP: 85% of its sites pass. Autoptimize trails at 68%. computed

The State of Web Vitals · Q1 2026 · 94,910 sites · all devices 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