Origin HTML probes
External image probe
External click probe
https://example.com/ad-click?campaign=trusted-server-static
These probes intentionally reference external image and click URLs. When this page is proxied through Trusted Server, inspect whether URLs are rewritten to first-party proxy paths according to the active configuration.
Click “Inspect current URLs”.
This local renderer validates the page's sandboxed iframe behavior. Full creative URL rewriting is best tested with creatives returned by /auction.