Ad networks impact: 7 providers ranked | The State of Web Vitals 2026

LCP INP CLS

At a glance the headline numbers for Ad networks impact

Ad networks ranked by performance impact.

Providers ranked

After min-sites filter

20,089

Sites in sample

Combined across all items

0.06

Best CLS (p75)

Google AdSense

The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Google AdSense	0.06	84.3%	14,524
2	Index Exchange	0.10	76.5%	53
3	Google Publisher Tag/GAM	0.10	75.1%	3,212
4	Prebid.js	0.12	71.6%	946
5	Amazon Publisher Services	0.13	70.0%	329
6	Taboola	0.13	69.3%	531
7	Criteo	0.14	70.7%	494

The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Google AdSense 6.8% 14,524 84% 0.06

Outbrain 0% 29 82% 0.07

Index Exchange 0% 53 77% 0.10

Google Publisher Tag/GAM 1.5% 3,212 75% 0.10

Prebid.js 0.4% 946 72% 0.12

Criteo 0.2% 494 71% 0.14

Amazon Publisher Services 0.2% 329 70% 0.13

Taboola 0.3% 531 69% 0.13

Media.net 0% 22 39% 0.92

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

84% of Google AdSense sites pass CLS. Taboola trails 15 points behind, leaving 31% of its sites failing. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · phone 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

Google AdSense 6.8%

792.4s

84174ms

840.06

721.9s

541.3s

Google Publisher Tag/GAM 1.5%

822.2s

83178ms

750.10

811.6s

68930ms

Prebid.js 0.4%

842.2s

83172ms

720.12

831.6s

73861ms

Taboola 0.3%

762.4s

77194ms

690.13

731.9s

66961ms

Criteo 0.2%

712.6s

71213ms

710.14

711.9s

551.2s

Amazon Publisher Services 0.2%

812.3s

76194ms

700.13

811.6s

76762ms

Index Exchange 0%

802.2s

92153ms

770.10

801.5s

77725ms

Outbrain 0%

851.9s

89158ms

820.07

931.3s

82594ms

Media.net 0%

393.7s

93178ms

390.92

332.6s

121.6s

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.

Google AdSense leads on CLS: 84% of its sites pass. Taboola trails at 69%. computed

The State of Web Vitals · October 2026 · 212,308 crawled sites · phone field datacorewebvitals.io/state-of-cwv

Related signals JS libraries (26) → Email marketing (8) → Font services (4) → CDN (16) → 212,308 crawled sites with Chrome field data, representing millions of real page loads · How we measured