Performance services impact: 8 providers ranked

LCP INP CLS

At a glance the headline numbers for Performance services impact

Performance impact by performance provider.

Providers ranked

After min-sites filter

17,376

Sites in sample

Combined across all items

0.04

Best CLS (p75)

WP Fastest Cache

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	WP Fastest Cache	0.04	86.0%	2,240
2	Autoptimize	0.04	89.2%	3,754
3	LiteSpeed Cache	0.04	88.5%	4,480
4	NitroPack	0.05	89.1%	189
5	FlyingPress	0.05	87.9%	200
6	W3 Total Cache	0.05	87.9%	315
7	Cloudflare APO	0.05	87.9%	1,100
8	WP Rocket	0.05	87.7%	5,098

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Autoptimize 2% 3,754 89% 0.04

NitroPack 0.1% 189 89% 0.05

LiteSpeed Cache 2.4% 4,480 89% 0.04

Cloudflare APO 0.6% 1,100 88% 0.05

W3 Total Cache 0.2% 315 88% 0.05

FlyingPress 0.1% 200 88% 0.05

WP Rocket 2.7% 5,098 88% 0.05

WP Fastest Cache 1.2% 2,240 86% 0.04

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 86% and 89%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

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%

802.3s

97114ms

880.05

711.9s

461.6s

LiteSpeed Cache 2.4%

842.2s

98102ms

890.04

771.7s

531.3s

Autoptimize 2%

682.8s

98111ms

890.04

582.3s

281.9s

WP Fastest Cache 1.2%

702.7s

98104ms

860.04

622.3s

421.8s

Cloudflare APO 0.6%

712.6s

96115ms

880.05

612.3s

341.8s

W3 Total Cache 0.2%

732.6s

97109ms

880.05

632.2s

381.7s

FlyingPress 0.1%

832.3s

98115ms

880.05

731.9s

541.3s

NitroPack 0.1%

812.2s

97113ms

890.05

741.8s

381.5s

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.

LiteSpeed Cache leads on CLS: 89% of its sites pass. WP Fastest Cache trails at 86%. computed

The State of Web Vitals · Q2 2026 · 189,915 sites · all devices field datacorewebvitals.io/state-of-cwv

Related signals Analytics (20) → Reviews (8) → Maps (4) → Consent platforms (16) → Chrome field data from 189,915 sites, representing millions of real page loads · How we measured