How to check your Meta Pixel is working

Step by step Pixel check

1. Open Events Manager, choose your Pixel (dataset) and look at the Overview. Each standard event should show recent activity.
2. Open the Test events tab, enter your store URL and browse: view a product, add to cart, start checkout. Each event should appear within moments.
3. Place a real or test order and confirm a single Purchase event arrives with the correct value and currency.
4. On desktop Chrome, install Meta Pixel Helper and visit your store pages. It shows which Pixel and events fire on each page and flags errors.
5. If you also use the Conversions API, check that browser and server events are deduplicated (they share the same event name and event ID), so each purchase counts once.
6. Open the Diagnostics tab and fix any warnings, such as missing parameters or duplicate events.
7. Compare Purchase events in Events Manager with orders in your store admin for the same days. A large gap means tracking is losing sales.
8. Test inside the in app browser: send yourself one of your ads, open it in Instagram or Facebook on your phone, and buy or add to cart while watching Test events.

Common reasons a Meta Pixel stops working

• A theme or app update removed or duplicated the Pixel code.
• A cookie or consent banner blocks the Pixel until the visitor accepts.
• A popup or script error at page load stops other scripts, often only inside the in app browser.
• Two apps install the same Pixel, so events fire twice.
• The Purchase event fires again when the thank you page reloads.
• Checkout runs on a different domain that does not load the Pixel.

How Run1Ads checks your Pixel

Run1Ads checks your Pixel as part of its hourly live check and walks your store every day inside the Instagram and Facebook app browser. If purchase events stop firing, or the store breaks inside the app browser, you get a critical alert email with the fix explained step by step. You can also see recordings of real visits from your Meta ads, with personal details hidden.

Frequently asked questions

How do I know if my Meta Pixel is working?

Events Manager shows recent activity for each event, and the Test events tab shows events live as you browse your store. If Purchase events arrive with a value and match your store orders, the Pixel is working.

Is there a free Meta Pixel checker?

Meta Pixel Helper (a free Chrome extension) and the Test events tab in Events Manager are free. Run1Ads, free for a limited time, adds an hourly check and an alert when purchase events stop.

Does Meta Pixel Helper work on mobile?

No, it is a desktop Chrome extension. To test on mobile, use the Test events tab in Events Manager while you browse on your phone.

Why does my Pixel work on desktop but not in Instagram?

Instagram and Facebook open links in their own in app browser. Popups, consent banners and some scripts behave differently there and can block the Pixel. Test inside the app, not only on desktop.

Why does Meta show fewer purchases than my store?

Usually tracking gaps: blocked or delayed Pixel events, consent banners, or events that are not deduplicated correctly with the Conversions API. Attribution settings also decide which purchases Meta credits to ads.