Everything You Need To Know About Meta Pixel In 2025

Hey, it’s Deividas here!

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Pixel is the single most important thing to get right if you want to be succesful with Facebook ads.

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Reason?

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Ads optimize according to data and the so called algorithm is machine learning, so you have to feed it with highest quality data.

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1. What is the Facebook Pixel?

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The Facebook Pixel is a small piece of code you add to your website that helps track user actions and interactions with your site.

It's basically a tracker which fires when a certain action has been taken. Then it's used to make assumptions and decisions by the algorithm in the ads manager.

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2. How to Set Up the Facebook Pixel

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Setting up the Pixel is simple, and here’s how you can get started:

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• Create a Pixel: In your Facebook Ads Manager, go to the Events Manager and click on “Pixels.” Follow the steps to create a new Pixel.

• Add the Pixel to Your Website: You’ll be given a piece of code to add to your website. If you’re using platforms like Shopify or WordPress, there are plugins to help you install it easily. If you’re using custom-built websites, you may need to add the code to the header of your website manually.

• Test Your Pixel: Use Facebook’s Pixel Helper tool to make sure it’s firing correctly on your website. This will help ensure that your Pixel is working properly and tracking the right events.

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3. Leverage Pixel data

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Once your Pixel is set up, you can use it to create custom audiences for more precise targeting:

• Custom Audiences: Use data from your Pixel to create custom audiences based on actions people take on your website.

• Lookalike Audiences: Once you have a solid custom audience, you can use Facebook’s Lookalike Audiences feature to target people who are similar to those who’ve already interacted with your site.

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Tip: Use high intent custom audiences like top 25% AOV or LTV users.

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Also, make sure you setup audience segments for Advantage+.

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4. CAPI Setup

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CAPI is a server side tracking which was created after the infamous iOS privacy update.

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Setting up a pixel is no longer enough, a good CAPI connection is a must if you want to have somewhat accurate tracking.

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Most advertisers use the regular Shopify CAPI setup, but the problem is that it's quite poor and it will report only up to 70% of data.

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To get it right you can either:‍

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- Use platforms like https://stape.io/ to setup yourself.

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- Done for you premium CAPI with https://popsixle.com/

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Invest into a good CAPI because data quality = optimisation quality.

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Deividas

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