https://www.shopify.com/hk-en/blog/facebook-pixel-helper
Meta Pixel Helper: Key Features and How To Install - Shopify Hong Kong SAR
Meta Pixel Helper (formerly Facebook Pixel Helper) is a browser extension that scans websites for Meta pixel code to check that pixels are working correctly.
meta pixel helperhow to install
https://chromewebstore.google.com/detail/meta-pixel-helper/apdcjogjnicmfcdphicalhjeakccphag
Meta Pixel Helper - Chrome Web Store
Inspect, debug, and validate Meta Pixel installs. Catch broken pixels and keep your Facebook Ads analytics accurate.
meta pixel helperchromewebstore
https://developers.facebook.com/docs/meta-pixel/support/pixel-helper/
Pixel Helper - Meta Pixel - Documentation - Meta for Developers
The Meta Pixel Helper tool guide shows you how to verify your Pixel is working properly, troubleshoot common errors, and improve Pixel performance.
pixelhelpermetadocumentationdevelopers