Focused view embedded signing blocks rendering for ~30 seconds when cdn.optimizely.com is unreachable

Question

Hi!Just to report here so maybe the DocuSign team can review:The focused-view signing widget (signing_iframeless_mobile.js) fetches an Optimizely datafile (https://cdn.optimizely.com/datafiles/5V51g7L7XPgn5JrK1VcqS.json) during initialization. When that request fails, which happens for any end user running an ad blocker (uBlock, AdGuard, piHole, etc.) the widget shows its loading bar for ~30 additional seconds before rendering, even though the datafile request itself fails within ~2 seconds.The console shows [OPTIMIZELY] ERROR DatafileManager: Error fetching datafile: Request error early, then appLoadTime.end ~30 seconds later, immediately before the ready event.This Optimizely issue should not block the render for that amount of time.Classic (default) view mode works just fine.

Islam.Hassanein · Answer

Hi ​@J F,I’ve shared this behavior with our engineering team. In the meantime, as a workaround, you can configure your ad blocker or network filtering layer to allow traffic to cdn.optimizely.com (or at least the specific datafile URL) for signer traffic.

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