Tracking Pixel
A tracking pixel is a small piece of code hidden on a page that tells an advertising company who visited your site and what they did there.
Also known as pixel tag conversion pixel web beacon
Definition
A tracking pixel is a tiny piece of code you paste into your website. Advertising platforms ask for it by name. Facebook calls it the Meta pixel and Google calls it a tag. The first versions really were a picture one dot wide, invisible on the page, and that is where the name came from.
Here is what happens. When someone opens your page, their browser quietly fetches that dot from the advertising company's server. To fetch it the browser has to introduce itself, and that introduction carries the page address, the time, the device, the browser language and a number that follows the same person from visit to visit. Newer pixels do more. They watch for the events you choose, such as a finished purchase, and send the amount, the products and often the buyer's email address in scrambled form.
That is the trade you are making. The platform learns who buys from you, and in return it finds more people who resemble them and stops showing your advert to someone who already bought. Without a pixel you are guessing. With one, a copy of part of your customer list now sits on a server you do not own.
Consent is therefore not paperwork you can skip. Under European rules, and under most of the newer laws copying them, the pixel must stay silent until the visitor agrees. A banner that loads the pixel before anyone has clicked anything is the most common mistake we find, and it is the version that gets fined. Name every tool you use on your privacy page, and keep a record of who agreed and when.
One more thing worth knowing. Every pixel slows the page a little, and each one can read what is on the screen, including a form somebody is halfway through filling in. Three pixels left behind by three different agencies over three years is a normal thing to find. Linkysoft checks them during a cybersecurity review and usually removes more than it keeps. When Linkysoft rebuilds a site as part of its website design and development work, the consent banner is wired to the pixels properly, so a no from a visitor really does mean nothing is sent.
Questions about Tracking Pixel
Can visitors see a tracking pixel on the page?
Do I need the visitor's permission before the pixel runs?
Is a tracking pixel the same thing as a cookie?
Can I measure my adverts without putting a pixel on the site?
How many tracking pixels are too many?
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