ClickUnder advertising is a classic yet still highly effective traffic format widely used in affiliate marketing, lead generation, and performance campaigns. Despite the rise of native and push ads, clickunder and popunder formats continue to deliver massive volumes of affordable traffic across many GEOs.
In this guide, we’ll explain what is clickunder ads, how they differ from popups, provide popunder ads examples, and show when it makes sense to buy clickunder traffic.
What Is ClickUnder Advertising?
Clickunder is an advertising format where a landing page opens in a new browser tab or window behind the active one after a user clicks anywhere on a website. Unlike intrusive formats, the user does not see the ad immediately, which leads to higher acceptance and lower bounce rates.
So, what is clickunder ads in simple terms?
It’s a user-initiated ad that opens silently in the background and appears only when the user closes or minimizes the main page.
This format is often grouped together with popunders, which is why many networks describe it as clickunder popunder traffic.
ClickUnder vs PopUnder vs Popup
Understanding popup vs popunder formats is critical before launching campaigns.
| Format | How It Opens | User Experience | Approval Rate |
|---|---|---|---|
| Popup | Opens on top | Intrusive | Low |
| Pop-under ad | Opens behind main window | Mild | High |
| Clickunder | Opens after user click | User-triggered | Very High |
| Popup clickunder | Hybrid behavior | Medium | Medium |
A pop-under ad usually triggers automatically, while clickunder requires a user action, making it more compliant with browser policies.
ClickUnder & PopUnder: How They Work Together
Many ad networks combine both formats into one inventory, often called clickunder popunder ad traffic. This allows advertisers to scale quickly while maintaining acceptable user experience.
Clickunder popunder traffic is especially popular in:
- Affiliate marketing
- iGaming and betting
- Utilities and VPNs
- Dating and sweepstakes
- Mobile subscriptions
PopUnder Ads Examples
Here are common pop under ads examples in real campaigns:
| Industry | Use Case | Landing Page Type |
|---|---|---|
| iGaming | Casino signup | Registration form |
| Utilities | VPN installs | App download page |
| Dating | Lead generation | Prelander + offer |
| Finance | CPA offers | Quiz-style landing |
| Mobile | Subscriptions | One-click flow |
A classic popunder ads example is a casino offer opening behind a streaming or news website after a user click.
ClickUnder Traffic: Key Characteristics
To better understand performance, here are the main clickunder traffic signs:
- Large volume and fast scalability
- Lower CPM compared to native or push
- Works best with prelanders
- Requires smart frequency capping
- High GEO diversity
Because of these traits, many advertisers actively buy clickunder traffic for testing and scaling.
Buy ClickUnder Traffic: When It Makes Sense
You should buy clickunder traffic if:
- You need high-volume traffic fast
- Your offer works with cold audiences
- You can optimize landers and funnels
- You test multiple GEOs and devices
Similarly, brands often buy popunder traffic when launching new offers or entering Tier-2 and Tier-3 markets.
ClickUnder vs Push & Native Ads
| Traffic Type | Cost | Volume | Engagement |
|---|---|---|---|
| Clickunder traffic | Low | Very High | Medium |
| Push notifications | Medium | High | High |
| Native ads | High | Medium | Very High |
For raw scale and affordability, clickunder remains unmatched.
FAQ: ClickUnder & PopUnder Advertising
What is clickunder ads and how is it different from popups?
Clickunder ads open in the background after a user click, while popups appear instantly on top and are more intrusive.
Is a pop-under ad still effective in 2026?
Yes, a properly optimized pop-under ad still converts well, especially in gambling, dating, and utilities.
What are the best pop under ads examples to test?
Casino signups, VPN downloads, and sweepstakes funnels are proven pop under ads examples.
Is clickunder traffic safe for affiliate marketing?
Yes, most affiliate networks accept clickunder traffic as long as traffic sources are disclosed.
Where can I buy clickunder traffic?
You can buy clickunder traffic from specialized ad networks offering global coverage and real-time optimization tools.
Final Thoughts
ClickUnder advertising remains a powerful performance channel when used correctly. By understanding clickunder popunder ad mechanics, testing multiple funnels, and choosing the right GEOs, advertisers can unlock massive volumes of profitable traffic at a low cost.
Whether you plan to buy popunder traffic or focus solely on clickunder traffic, this format is still a core part of modern media buying.