ShopWeight

Fastest Shopify ad tracking pixels, ranked on live stores

We ranked 18 ad tracking pixels by the processing time each added to the homepages of real Shopify ecommerce stores. The lightest are at the top.

What counts here: Reports visits and sales back to an ad platform so it can target and measure ads.

The most recent check in the index ran on September 26, 2026.

All apps in the index · How we measure these numbers

ShopWeight isn't affiliated with Shopify or with any app maker listed here.

Popular apps and the processing time they add

Among this category's apps that are light or moderate on the typical store, Google Ads is found on the most stores.

LightModerateHeavyVery heavy Fewer stores, lighterMore stores, lighterFewer stores, heavierMore stores, heavier Meta Pixel: heavy on the typical store, found on 504 storesMeta PixelGoogle Ads: light on the typical store, found on 380 storesGoogle AdsMicrosoft Advertising: light on the typical store, found on 258 storesMicrosoft AdvertisingTikTok Pixel: moderate on the typical store, found on 180 storesTikTok PixelReddit Ads: light on the typical store, found on 120 storesReddit AdsPinterest Tag: light on the typical store, found on 116 storesPinterest TagAppLovin: light on the typical store, found on 102 storesAppLovinThe Trade Desk: light on the typical store, found on 84 storesThe Trade DeskSnap Pixel: moderate on the typical store, found on 83 storesSnap PixelAmazon Advertising: light on the typical store, found on 79 storesAmazon AdvertisingMNTN: light on the typical store, found on 66 storesMNTNOpenAI Ads Measurement Pixel: light on the typical store, found on 64 storesOpenAI Ads Measurement PixelX Ads: light on the typical store, found on 35 storesX AdsLinkedIn Insight Tag: light on the typical store, found on 32 storesStackAdapt: light on the typical store, found on 31 storesTaboola: light on the typical store, found on 27 storesTaboolaTatari: light on the typical store, found on 22 storesTatariSpotify Pixel: light on the typical store, found on 21 storesSpotify Pixel Typical processing time Stores measured

The vertical dashed line is at 81 stores: about half of this category's apps were found on more stores and half on fewer. The horizontal dashed line is where moderate ends and heavy begins.

RankAppTypical processing timeStores measured
1 Microsoft Advertising Light (under 100 ms) 258
2 Google Ads Light (under 100 ms) 380
3 Amazon Advertising Light (under 100 ms) 79
4 The Trade Desk Light (under 100 ms) 84
5 Tatari Light (under 100 ms) 22
6 Spotify Pixel Light (under 100 ms) 21
7 LinkedIn Insight Tag Light (under 100 ms) 32
8 StackAdapt Light (under 100 ms) 31
9 OpenAI Ads Measurement Pixel Light (under 100 ms) 64
10 Reddit Ads Light (under 100 ms) 120
11 X Ads Light (under 100 ms) 35
12 MNTN Light (under 100 ms) 66
13 Pinterest Tag Light (under 100 ms) 116
14 Taboola Light (under 100 ms) 27
15 AppLovin Light (under 100 ms) 102
16 Snap Pixel Moderate (100 to 300 ms) 83
17 TikTok Pixel Moderate (100 to 300 ms) 180
18 Meta Pixel Heavy (300 ms to 1 second) 504

Apps in the same band are close. Their order within a band can change as more stores are checked. The bar under each band shows how the app varied from store to store. Apps found on fewer than 20 stores aren't listed yet. The list grows as more stores are checked.

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