PostHog Debugger fixture suite

Test pages for extension QA

Load the unpacked extension, open DevTools, select the PostHog panel, then use these pages to produce deterministic capture traffic.

SDK snapshot and transports

Exercises a fake window.posthog, fetch, XHR, beacon, flags, session recording, and duplicate events.

Open fixture

Payload formats

Sends raw JSON, batch wrappers, form/base64 bodies, query-string data, and gzip bytes.

Open fixture

Validation warnings

Produces common warning cases including missing identifiers, bad names, PII-like values, large payloads, clock skew, and failures.

Open fixture

Frames

Confirms all-frame injection and forwarding from an iframe into the top-frame DevTools queue.

Open fixture

Cookieless modes

Switches between cookied, cookieless memory, and server cookieless ($posthog_cookieless) modes, plus identify/opt-out transitions.

Open fixture