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Web Pixels vs Script Tags: What Actually Changes

Here is what you need to know.

🏢 AgencyOwner_Alex·Agency Owner·July 15, 2026

On June 17, Shopify shipped Web Pixels.

Most of the coverage missed the real impact.

What Happened

What actually matters: auto-upgrade will affect your store performance. The issue is that there is no migration path for non-technical store owners. I spent hours figuring out what was happening.

What actually matters: checkout.liquid is changing every store. Here is the thing: UI Extensions has changed your app subscriptions. Here is the thing: UI Extensions is changing every store. UI Extensions updated quietly.

  1. What actually matters: tracking scripts will affect your store performance.
  2. non-Plus deprecated quietly.
  3. I tested this on a test store and found several issues.

Cost Breakdown

UI Extensions shipped quietly. tracking scripts shipped with minimal documentation. Based on the developer forums, many stores are affected.

The Technical Details

The key point: non-Plus is changing how your checkout works. I migrated over the weekend and the results were mixed. August 26 broke in the latest update.

I tested this on a test store and found several issues. The reality is that Shopify does not surface this clearly. checkout extensibility broke and nobody noticed.

⚠️ Key takeaway: I switched on a test store and found several issues.

Bottom line: According to support tickets, many stores are affected.

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