Marvel Prototype Not Loading in Browser

How to fix it

// try these in order, the most common fix is first

1. FIX 1Check service status

   Copy steps
   1. 01Open Marvel's status page or a status monitor
   2. 02If degraded, wait and retry
   Did this fix it? Yes No

2. FIX 2Retry in another browser

   Copy steps
   1. 01Open the Share URL in a private window or different browser
   2. 02Clear cache if it still hangs
   Did this fix it? Yes No

3. FIX 3Contact support

   Copy steps
   1. 01Send support the prototype link, browser and device
   2. 02Note Marvel support is UK based, so replies may be delayed
   Did this fix it? Yes No

Symptoms

Prototype or marvelapp.com does not load or hangs.

Why it happens

• C-01Marvel outage or maintenance
• C-02Large projects with many screens
• C-03Browser extensions or cache

// this guide also covers

• marvel app not loading
• marvelapp down
• marvel prototype not loading

The same problem in other apps

All not loading, error messages & connection guides →

• Figma Plugins Not Working or Won't Load (Figma)
• InVision Prototype Links Not Loading or Redirecting to Miro (InVision)
• Adobe XD Error 5718 / 5719 / 5703 on Windows (Adobe XD)
• Sketch Can't Upload or Collaborate (VPN, Proxy, Firewall) (Sketch)

Other Marvel errors

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• Marvel Sketch Plugin Not Syncing
• Marvel Sketch Sync Overwrites Hotspots
• Marvel Plugin Freezes Sketch With Anima
• Marvel Prototype Won't Open in iOS App
• Marvel Password Protected Prototype Not Working
• Marvel Can't Add More Than 6 Team Members
• Marvel User Testing Not Available on Free Plan