What each store app costs on a phone.

The 34 most common apps and tags in 7IT’s test of 367 US online stores, each with its download size, the phone time it takes, and how stores with and without it compare.

From US Store Speed 2026

Median Google phone-lab results on home pages, September 2026. Apps are named because they are products; the stores that run them are not. Method and limits.

Google Tag Manager
Tag manager
on 74.7% of stores0.51 s phone time
Google Ads
Ad pixel
on 63.8% of stores0.00 s phone time
Klaviyo
Email and SMS
on 53.4% of stores0.15 s phone time
Google Analytics
Analytics
on 50.1% of stores0.00 s phone time
Meta Pixel
Ad pixel
on 42% of stores0.26 s phone time
Microsoft Ads (Bing)
Ad pixel
on 41.1% of stores0.02 s phone time
TikTok Pixel
Ad pixel
on 29.7% of stores0.16 s phone time
Pinterest Tag
Ad pixel
on 27.8% of stores0.05 s phone time
OneTrust
Cookie consent
on 27.2% of stores0.10 s phone time
Microsoft Clarity
Session replay
on 27% of stores0.13 s phone time
Attentive
Email and SMS
on 25.1% of stores0.03 s phone time
Yotpo
Reviews
on 24.3% of stores0.10 s phone time
Reddit Pixel
Ad pixel
on 18.8% of stores0.03 s phone time
Snap Pixel
Ad pixel
on 17.4% of stores0.09 s phone time
Gorgias
Chat and support
on 17.4% of stores0.00 s phone time
Bazaarvoice
Reviews
on 13.9% of stores0.08 s phone time
Okendo
Reviews
on 13.6% of stores0.01 s phone time
AppLovin
Ad pixel
on 12.8% of stores0.08 s phone time
Sentry
Error monitoring
on 12.3% of stores0.00 s phone time
Rebuy
Upsell and personalization
on 10.9% of stores0.23 s phone time
Hotjar
Session replay
on 10.6% of stores0.09 s phone time
accessiBe
Accessibility overlay
on 9.8% of stores0.16 s phone time
Alia
Email and SMS
on 9.5% of stores0.45 s phone time
Contentsquare
Session replay
on 9.3% of stores0.25 s phone time
Recharge
Subscriptions
on 8.4% of stores0.09 s phone time
Northbeam
Analytics
on 7.9% of stores0.05 s phone time
Klarna
Pay later
on 7.1% of stores0.06 s phone time
Criteo
Ad pixel
on 7.1% of stores0.06 s phone time
Postscript
Email and SMS
on 6.5% of stores0.00 s phone time
Wunderkind
Email and SMS
on 5.7% of stores0.00 s phone time
Optimizely
A/B testing
on 5.7% of stores0.10 s phone time
Segment
Analytics
on 5.7% of stores0.10 s phone time
Elevar
Analytics
on 5.4% of stores0.00 s phone time
Nosto
Upsell and personalization
on 4.4% of stores0.00 s phone time