Ad networks impact Shopify sites

Ad networks ranked by performance impact.

Field data PhoneDesktopAll Scope All sites October 2026 edition · Desktop 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
1.8s
Best LCP (p75)
Google AdSense
The State of Web Vitals · October 2026 · Shopify sites (8,248) · desktop field datacorewebvitals.io/state-of-cwv
2

The ranking sorted by LCP at p75, fastest first

# Provider LCP p75 Passing Sites
1 Google AdSense 1.8s 94.6%
562
2 Taboola 1.9s 96.1%
75
The State of Web Vitals · October 2026 · Shopify sites (8,248) · desktop field datacorewebvitals.io/state-of-cwv
3

Passing LCP per provider which group passes the LCP most often

ProviderSitesPassing LCPp75
Amazon Publisher Services 0.1% 5 100% 2.1s
Taboola 0.9% 75 96% 1.9s
Google AdSense 6.8% 562 95% 1.8s
Google Publisher Tag/GAM 0.2% 19 80% 1.8s
Criteo 0.3% 24 69% 2.7s
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
The State of Web Vitals · October 2026 · Shopify sites (8,248) · desktop 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%
951.8s
9995ms
830.07
951.2s
96503ms
Taboola 0.9%
961.9s
10087ms
730.12
981.2s
96506ms
Criteo 0.3%
692.7s
100114ms
750.10
811.7s
100481ms
Google Publisher Tag/GAM 0.2%
801.8s
10078ms
800.03
901.0s
100473ms
Amazon Publisher Services 0.1%
1002.1s
100149ms
500.22
751.5s
75612ms
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) · desktop 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