Random Script appeared at the top of my website

Topic summary

Code is visibly rendering at the top of a Shopify store after recent product uploads, despite no manual coding changes. A screenshot shows script output appearing on-page.

Suspected cause:

  • Identified by a responder as OSS Boomerang (an Akamai open‑source Real User Measurement tool, RUM) that tracks page load and errors. It often appears if a tracking, page‑speed, or debugging tool injects it.

Recent details:

  • Store owner reports using DSers AliExpress for product imports and did not install tracking/page‑speed or debug apps. The issue appeared suddenly after routine uploads.
  • Another merchant reports the same symptom, suggesting it may not be isolated.

Actions taken:

  • Helpers requested the store URL (and password if applicable) to investigate.
  • A provider offered direct help via email; the store owner plans to email them.

Status:

  • No confirmed root cause or public fix posted yet. Likely related to an injected monitoring/debug script, but the exact source remains unverified. Discussion remains open.
Summarized with AI on January 9. AI used: gpt-5.

Hi there, I am having the same issue as the original poster. I was hoping for some assistance as well, please!

Thank you,

Lauren