If the page you're using BugHerd on has a Content Security Policy (CSP), you'll need to add a few domains in order for the sidebar to appear:
- www.bugherd.com
- bugherd-attachments.s3.amazonaws.com
- ws.pusherapp.com
- fonts.googleapis.com
- d2iiunr5ws5ch1.cloudfront.net
- screenshots.bugherd.com