Ad networks impact Shopify sites

Ad networks ranked by performance impact.

Field data PhoneDesktopAll Scope All sites October 2026 edition · All devices field outcomes · Shopify sites only
Metric LCP INP CLS
Shopify Scoped to 8,248 sites out of 203,892 analyzed (cms) Compare with all sites →
1

At a glance the headline numbers for Ad networks impact

Ad networks ranked by performance impact.

2
Providers ranked
After min-sites filter
637
Sites in sample
Combined across all items
0.05
Best CLS (p75)
Google AdSense
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by CLS at p75, fastest first

# Provider CLS p75 Passing Sites
1 Google AdSense 0.05 90.4%
562
2 Taboola 0.07 82.7%
75
The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
3

Passing CLS per provider which group passes the CLS most often

ProviderSitesPassing CLSp75
Google AdSense 6.8% 562 90% 0.05
Criteo 0.3% 24 88% 0.07
Google Publisher Tag/GAM 0.2% 19 84% 0.04
Taboola 0.9% 75 83% 0.07
Amazon Publisher Services 0.1% 5 80% 0.06
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
The State of Web Vitals · October 2026 · Shopify sites (8,248) · 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
Google AdSense 6.8%
912.0s
88163ms
900.05
931.3s
93574ms
Taboola 0.9%
932.1s
93162ms
830.07
971.4s
99580ms
Criteo 0.3%
792.3s
86164ms
880.07
751.7s
91524ms
Google Publisher Tag/GAM 0.2%
902.1s
94118ms
840.04
951.3s
95571ms
Amazon Publisher Services 0.1%
1002.2s
75203ms
800.06
801.6s
100525ms
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.

The State of Web Vitals · October 2026 · Shopify sites (8,248) · all devices field datacorewebvitals.io/state-of-cwv
Related signals JS libraries (26) → Email marketing (8) → Font services (4) → CDN (16) → 203,892 crawled sites with Chrome field data, representing millions of real page loads · How we measured