The State of Web Vitals

Ad networks on Shopify stores and the Core Web Vitals

Ad networks present on the page.

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

85.5% of Shopify sites use Google AdSense ad networks, and 74% of those sites pass all three Core Web Vitals, against 88% of all Shopify sites.

The State of Web Vitals · October 2026 · Shopify: 8,246 crawled sites · 8,062 with all devices field data · 657 sites with ad networksBy Arjen Karel · corewebvitals.io/state-of-cwv
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Core Web Vitals pass rate

Sites with Google AdSense ad networks pass all three Core Web Vitals most often: 74%, against 88% of all Shopify sites.

SitesAll three good · at least one needs improvement · at least one poor
All Shopify sites8,06288%
Taboola 11.4%7575%
Google AdSense 85.5%55174%
Criteo 3.7%2473%
Google Publisher Tag (GPT) 2.9%1971%
Amazon Publisher Services (TAM/UAM) 0.8%550%
GoodNeeds improvementPoorSites: with Chrome field data
The State of Web Vitals · October 2026 · Shopify: 8,246 crawled sites · 8,062 with all devices field data · 657 sites with ad networksBy Arjen Karel · corewebvitals.io/state-of-cwv
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Ad networks usage

Google AdSense is the most used: 85.5% of Shopify sites.

Sites using each option (sites can use more than one) 657 sites
Google AdSense 85.5% Taboola 11.4%
Google AdSense 85.5% Taboola 11.4% Criteo 3.7% Google Publisher Tag (GPT) 2.9% Amazon Publisher Services (TAM/UAM) 0.8%
The State of Web Vitals · October 2026 · Shopify: 8,246 crawled sites · 8,062 with all devices field data · 657 sites with ad networksBy Arjen Karel · corewebvitals.io/state-of-cwv
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How ad networks affect the four LCP phases

Median LCP phase breakdown (Chrome field p75) Load delay Median LCP
Shopify sites with ad networks 590440 ms702 ms387 ms702 mslab 702 ms1.6s
Google AdSense 504433 ms693 ms385 ms693 mslab 693 ms1.6s
Taboola 71482 ms800 ms387 ms800 mslab 800 ms1.8s
TTFB Resource load delay Resource load time Element render delay
The State of Web Vitals · October 2026 · Shopify: 8,246 crawled sites · 8,062 with all devices field data · 657 sites with ad networksBy Arjen Karel · corewebvitals.io/state-of-cwv
Related signals Tag managers on page → Third-party categories → Third parties per page → Cookie wall detected → By Arjen Karel · 8,246 crawled Shopify sites (8,062 with all devices Chrome field data, 657 sites with ad networks, October 2026) · How we measured