analytics-dictionary / tool overview / tracking & measurement

Meta Pixel

The Meta Pixel is a snippet that records visitor actions for Meta (Facebook and Instagram) advertising measurement and audiences.

Written by Reflective Data experts · updated Oct 5, 2026

It sends events such as page views and purchases to Meta so campaigns can be optimised and audiences built. Browser limits and consent reduce its coverage.

Many advertisers pair it with the Conversions API for more resilient measurement.

Consent Mode Conversions API Tracking pixel

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CCPA / CPRA

The CCPA, expanded by the CPRA, is California privacy law giving residents rights over their personal…

pendo.md

Pendo

Pendo is a product experience platform combining analytics with in-app guides and feedback.

cac.md

Customer acquisition cost (CAC)

Customer acquisition cost is the average spend needed to win a new customer.

impression.md

Impression

An impression is each time an ad, a listing or a piece of content is displayed…

amplitude.md

Amplitude

Amplitude is a product analytics platform for understanding behaviour, retention and growth.

custom-dimension.md

Custom dimension

A custom dimension is an extra attribute you register in your analytics tool so it can…

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