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Auto-detect embed is now a single static script tag

The auto-detect embed switched to CDN-side environment detection, fixing code that never ran on page load.

What shipped

  • The auto-detect embed is now two static tags pointing at a new /auto/ CDN URL. The CDN decides per request whether to serve your staging or production build — staging on webflow.io, production everywhere else.
  • Fixed: with the old auto-detect snippet, code that waited for the page to finish loading (DOMContentLoaded) could silently never run. Static tags load your code exactly like the staging and production embeds do, so this can't happen anymore.
  • CSS now loads via a regular stylesheet link instead of being added by script, removing a brief flash of unstyled content on page load.

Why it matters

If you use the auto-detect snippet, open the deploy panel and paste the updated embed code into your site — the old snippet keeps working the way it did before, so replacing it is what gets you the fix. New deploys generate the updated snippet automatically.