The Measure Copilot Evidence Collector captures observable measurement signals as they fire. Upload the export to strengthen findings with browser runtime evidence while keeping unproven gaps labelled honestly.
Chrome may show a "proceed with caution" prompt — normal for new extensions. Click "Continue to install".
Without vs. with the extension
Observed dataLayer event
Consent signal order
GA4 page_view delivery
Backend reporting match
Add it to Chrome from the Web Store in one click. No account required.
Open the extension popup and approve capture for the page. It observes selected dataLayer signals, consent updates, routes, and GA4 browser delivery evidence from that point forward.
Browse a test-safe journey such as a product interaction or lead submission. It records observable measurement signals, not form entries or cookie values.
Click "Export evidence" in the popup. A JSON file downloads to your device. Takes 2 seconds.
Upload the JSON under Chrome extension evidence in the audit. Observed browser signals can support Confirmed findings; unobserved or backend outcomes remain clearly qualified.
All evidence is stored locally in your browser. Nothing is sent anywhere until you click export.
Observable event pushes such as page_view, add_to_cart, purchase, and lead events, with relevant measurement fields only.
analytics_storage, ad_storage, ad_user_data, ad_personalization — default and updated states.
G-XXXXXXXXXX detected from page scripts, confirmed at runtime.
GTM-XXXXXXX detected from loaded scripts.
OneTrust, Cookiebot, Didomi, iubenda, CookieYes — fingerprinted from page signals.
Initial and SPA page_view evidence, duplicate request risk, route changes, and consent state at observed GA4 sends.
Evidence stays in your browser's local storage only. The extension does not transmit anything to Measure Copilot or any third party automatically. Data leaves your device only when you explicitly click Export evidence. No passwords, cookies, payment details, or browsing history are ever collected.
Read the full privacy policy →Install the extension, run a journey, export — takes under 5 minutes.
Chrome may show a "proceed with caution" prompt — this is normal for new extensions. Click "Continue to install".