7 Best Ad Networks to Buy Website Traffic in 2026

1. Clickadu

Clickadu is a global performance ad network delivering 6B+ daily impressions across 150+ GEOs. It combines large-scale inventory with in-house traffic quality controls and 24/7 moderation, helping advertisers maintain more predictable performance when scaling campaigns.

• Ad Formats: InPage Push, Popunder, Video Pre-Roll, Banners, Instant Text Message, SKIM.
• Why It Works: Broad format coverage and global reach make it suitable for a wide range of performance use cases, including apps, iGaming, utilities, e-commerce, VPN, and lead generation
• Best For: Advertisers looking for scalable, multi-format traffic with built-in optimisation

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2. PropellerAds

PropellerAds is built for scale, offering one of the largest inventories in the market. It’s particularly useful for advertisers who want consistent delivery across multiple GEOs without frequent interruptions. The network has 12+ billion daily impressions and uses automated optimization, matching traffic with the best-performing formats to improve results over time.

• Ad Formats: Push notifications, in-page push (iOS-friendly), popunder, interstitial, multiformat
• Why It Works: Strong demand for utilities, SaaS trials, browser extensions, and productivity tools, especially on push and in-page formats where direct-response flows convert well
• Best For: high-volume scaling and automation
  

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3. Adsterra

Adsterra combines broad geographic coverage (248 GEOs) with a variety of ad formats. One of its distinguishing features is its ability to deliver traffic across both mobile and desktop environments with relatively stable performance. The network's “Social Bar” format is designed to replicate push-style engagement without requiring user subscriptions, which can expand reach in certain cases.

• Ad Formats: Social Bar, popunder, in-page push, native, display
• Why It Works: Social Bar and native formats blend well with software discovery flows (tools, SaaS, extensions)
• Best For: Global campaigns and diversified format testing
  

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4. HilltopAds

HilltopAds is known for offering access to traffic segments that are less commonly available elsewhere, including users who rely on ad-blocking tools. This can be useful in niches where traditional inventory is limited or highly competitive. The platform also supports multiple formats and allows advertisers to rotate them dynamically.

• Ad Formats: Popunder / Pop, In-Page Push, Video VAST (pre-roll), Video Slider, Display Banners, MultiTag (auto-rotating format selection from a single placement), and Direct Link.
• Why It Works: Target AdBlock users (VPNs, antivirus)
• Best For: Accessing alternative or niche traffic segments
  

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5. RichAds

RichAds focuses heavily on push and in-page push traffic, with a system that segments inventory into different quality tiers. This allows advertisers to test campaigns at lower costs before moving into higher-performing traffic. The network is often used in verticals where quick testing cycles and optimization are important.

• Ad Formats: Push, in-page push, popunder, direct click, native, Telegram Ads
• Why It Works: Performs strongly across iGaming / Gambling, Dating, Finance / Crypto, Nutra, Utilities / Antivirus, E-commerce, Sweepstakes, and Mobile App Installs
• Best for: Structured testing and gradual scaling

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6. Adcash

Adcash operates as both a DSP and traffic marketplace with access to a large pool of global inventory. The network offers broad format coverage and strong optimization tools, including smart bidding and real-time tracking. Adcash platform also integrates with multiple supply partners, giving advertisers access to diverse traffic sources across desktop and mobile.

• Ad Formats: Popunder, Interstitial, In-Page Push, Native Ads, Display Banners, Video Ads
• Why it works: Access to 200+ supply partners, supports multiple bidding models
• Best For: Advertisers who want a platform with global reach and flexible pricing models across multiple verticals

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7. RollerAds

RollerAds is a newer but increasingly visible ad network focused primarily on push-based traffic, including classic push, in-page push, and direct click formats. It has built a niche in performance marketing verticals like utilities, sweepstakes, and subscriptions. The platform is great for fast testing and scaling, with relatively simple campaign setup and a focus on high-volume traffic delivery. It also provides detailed targeting options, including device, OS, browser, and GEO segmentation.

• Ad Formats: Push, in-page push, popunder, Calendar Push
• Why It Works: Time-based and notification-driven formats work well for software trials, SaaS reminders, and utility installs. High-volume inventory supports rapid A/B testing and scaling
• Best For: Advertisers who want to run push-heavy campaigns and quickly test multiple GEOs and creatives
  

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Final Thoughts

The networks covered here collectively give you a broad mix of formats, GEO coverage, and optimization capabilities, which is what most performance campaigns require.