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

19,954

Sites in sample

Combined across all items

0.07

Best CLS (p75)

Google AdSense

The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv

The ranking sorted by CLS at p75, fastest first

#	Provider	CLS p75	Passing	Sites
1	Google AdSense	0.07	83.2%	14,427
2	Index Exchange	0.11	71.7%	53
3	Google Publisher Tag/GAM	0.11	74.7%	3,188
4	Prebid.js	0.12	70.3%	940
5	Amazon Publisher Services	0.13	67.4%	327
6	Criteo	0.14	69.5%	490
7	Taboola	0.14	69.5%	529

The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75

Google AdSense 6.8% 14,427 83% 0.07

Outbrain 0% 29 83% 0.08

Google Publisher Tag/GAM 1.5% 3,188 75% 0.11

Index Exchange 0% 53 72% 0.11

Prebid.js 0.4% 940 70% 0.12

Taboola 0.3% 529 70% 0.14

Criteo 0.2% 490 70% 0.14

Amazon Publisher Services 0.2% 327 67% 0.13

Media.net 0% 22 41% 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

83% of Google AdSense sites pass CLS. Amazon Publisher Services trails 16 points behind, leaving 33% of its sites failing. computed

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

Google AdSense 6.8%

792.4s

90151ms

830.07

721.9s

521.3s

Google Publisher Tag/GAM 1.5%

842.1s

87163ms

750.11

821.6s

68938ms

Prebid.js 0.4%

862.1s

86161ms

700.12

841.6s

74842ms

Taboola 0.3%

782.4s

80184ms

700.14

741.8s

66966ms

Criteo 0.2%

732.6s

76197ms

700.14

721.9s

571.1s

Amazon Publisher Services 0.2%

842.1s

82170ms

670.13

851.5s

79733ms

Index Exchange 0%

792.3s

93151ms

720.11

811.5s

77786ms

Outbrain 0%

791.9s

89154ms

830.08

901.3s

76748ms

Media.net 0%

413.7s

89178ms

410.92

462.5s

191.4s

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.

Google AdSense leads on CLS: 83% of its sites pass. Amazon Publisher Services trails at 67%. computed

The State of Web Vitals · October 2026 · 210,902 crawled sites · all devices field datacorewebvitals.io/state-of-cwv

Related signals JS libraries (26) → Email marketing (8) → Font services (4) → CDN (16) → 210,902 crawled sites with Chrome field data, representing millions of real page loads · How we measured