Both sell advertising on your website. They work in opposite directions: Carbon Ads brings advertisers to your slot, and Perch lets your own readers buy it.
| Network | Minimum to join | Publisher share | Payout threshold | Self-serve |
|---|---|---|---|---|
| Carbon Ads | Invite only — around 350 hand-picked sites worldwide | Not published | Not published | No |
| Perch | None | 75% | $65.00 | Yes |
Sources, checked 2026-08-26: Carbon Ads (www.carbonads.net)
You are invited. There is no other route in.
You are not one of the roughly 350 sites they carry, which is very nearly everyone.
Format discipline and advertiser quality. Fifteen years of a single well-designed unit on curated sites is why readers tolerate it, and their published cumulative payouts to publishers are far beyond anything here.
Nobody finds your advertiser for you. There is no demand pool to fall back on — the slot fills when one of your own readers, or a business you approach, buys it. On a site with no local or niche connection to its audience, that is a real disadvantage against a matched network.
On Carbon Ads the rate is an outcome — set by an auction, a matched advertiser, or a managed partner, and reported to you afterwards. On Perch you type a number: what one advertiser pays for one day in your slot. Nothing sells below it.
On Carbon Ads they come from a pool you do not choose. On Perch the slot itself carries an invitation, so the buyer is usually someone already reading the page — a local business, or another site in the same niche.
One unobtrusive contextual format. Perch's embed sets no cookies and writes nothing to the visitor's device, so it does not itself create a consent-banner requirement. The full detail is on the security page, including the exact byte size the script adds to your page.
Carbon Ads does not publish a payout threshold. Perch pays out at $65.00, into your own Stripe account. For a site earning a few dollars a month, that gap is the difference between money arriving and a balance that only ever grows on a screen.
Usually yes, and plenty of sites should. They are not the same slot: a direct-sold space in a prominent position alongside network fill elsewhere on the page is a normal arrangement, and it is worth checking Carbon Ads's own terms about what may run beside their units.
No published traffic minimum, but every site goes through an approval review
$5,000+ in annual ad revenue for the main programme; the Journey tier starts at 1,000 sessions
The full comparison table covers every network here with sources, or work out the numbers for your own site with the earnings calculator.