How pixel advertising works
A step-by-step look at the pixel advertising model: buying an area, placing a linked image, pricing by size or position, and what the advertiser actually receives.
By the PixelWall team · Published
Pixel advertising works in four steps: the publisher divides a page into a grid and sells areas of it; an advertiser picks an open area and a size; uploads an image and a destination link; and pays a one-time price based on size. The image then occupies that area permanently and links to the advertiser's site.
1. The grid
Everything starts with a fixed canvas — for example a 1000×1000 grid, which is a million cells. Each cell has coordinates. The platform tracks which cells are taken and which are free. Rendering a million individual elements would be slow, so modern walls draw the grid on a single canvas and only load the data for the part you're looking at.
2. Choosing an area
You pan around, find an empty region, and choose a size — often from preset blocks like 1×1, 2×2, 4×4 and up. Bigger blocks are more prominent and cost more. Some platforms also charge a premium for central or above-the-fold positions.
3. Reservation and order
When you commit, the platform reserves those exact cells for a short window (often 15 minutes) and creates an order at a server-calculated price. The price is never taken from the browser — the server decides it from the size and position so it can't be tampered with. If you don't pay in time, the reservation is released and someone else can buy the area.
4. Payment and activation
You pay the exact amount. On a crypto-native platform like PixelWall that's USDT on TRON (TRC-20), verified on-chain by the server — the front-end can never mark an order paid. Once the payment clears, your image is written into those cells and the spot goes live, usually with its own page and analytics.
What you can change later
- Logo / image — yes, from your dashboard.
- Destination URL — yes; good platforms re-validate the link on every click.
- Size and position — no; those are fixed at purchase. Buy another spot for more space.
How the click works
Clicking a logo doesn't always jump straight to the advertiser. Many walls open a small card first — name, description, view and click counts — with a “visit website” button. The click is recorded server-side through a redirect endpoint, then the visitor is sent on. That keeps analytics honest and the destination URL out of client-side tracking code.
Want the buyer's-eye view instead? Read how to buy a spot on a website.
Frequently asked questions
- How does pixel advertising work?
- The publisher divides a page or canvas into a grid and sells areas of it. An advertiser picks an open area and a size, uploads an image, sets a destination URL, and pays — usually a one-time price based on size. The image then stays in that area and links to the advertiser's site.
- Do pixel ads use cost-per-click or CPM?
- Typically neither. Pixel ads are usually sold as a flat, one-time price for the space. Some platforms add analytics so you can see clicks, but you are not billed per click or per impression.
- What stops two people buying the same pixels?
- The platform reserves the area the moment you start checkout and only releases it if you don't pay in time. A well-built platform does this atomically in the database so overlapping purchases are impossible.
Ready to claim your spot?
Pick a size, upload your logo, add your link. Live on the wall in minutes.