Bot traffic on open exchange programmatic campaigns
Open exchange RTB is the primary environment for sophisticated and general invalid traffic, with 20-40% of impressions generated by non-human traffic that your DSP pays full CPM rates for.
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Open exchange RTB is structurally designed for speed, not traffic quality verification
The open exchange processes billions of impressions per day in auction cycles measured in milliseconds. No human reviewer can assess traffic quality at that speed, and the economic model incentivises scale over quality: publishers earn revenue for every impression served, creating a direct financial incentive for fraudulent inventory operators to maximise their bot traffic volumes. Industry estimates consistently put open exchange IVT rates between 20-40%, meaning a substantial share of every programmatic display budget is consumed by impressions that no real person ever saw.
Sophisticated invalid traffic on the open exchange is specifically engineered to evade standard detection. SIVT operations use residential proxy networks, browser emulation, and human-like interaction timing to pass the basic bot filters that rely on known datacenter IP ranges and user agent strings. Standard brand safety tools, which screen content at the domain level, cannot detect whether a given impression is being served to a real user or to a bot simulating a page view. Tapper analyses traffic at the device and behavioural level, identifying SIVT signatures across your entire open exchange buy.
How Tapper stops bot traffic on Display open exchange
Three steps from connection to clean campaign data, no engineering required.
01
Integrate Tapper with your DSP or ad server
Tapper connects to your demand-side platform and begins monitoring impression and click data across all your open exchange inventory, building a real-time picture of traffic quality.
02
SIVT and GIVT patterns detected at the impression level
Behavioural fingerprinting, device analysis, and IP reputation scoring identify bot signatures including headless browsers, datacenter IPs, and non-human interaction sequences, even when residential proxies are used.
03
High-fraud inventory sources suppressed automatically
Publishers and inventory sources linked to bot traffic are added to suppression lists applied to your future open exchange buying, reducing exposure with every campaign cycle.
Bot traffic on Display open exchange by the numbers
Data from Tapper's platform analysis and published industry research.
20-40%
Average IVT rate on open exchange programmatic
$84B
Lost globally to ad fraud annually
17%
Of programmatic ads served to non-human traffic
3x
Higher fraud on open exchange vs private marketplace
Tapper vs Standard Brand Safety Tools
See exactly where the gaps are, and why they matter to your open exchange performance.
SIVT detection
Behavioural and device fingerprint analysis per impression
Known-bad domain and IP lists only
GIVT filtering
Automated continuous filtering across all inventory
Periodic batch filtering only
Residential proxy bot detection
Connection-layer and behavioural analysis identifies masked bots
Residential proxies not detected
Blocklist update speed
Automated and instant per identified source
Manual or weekly updates
Trusted by industry leaders
See how companies are protecting their ad budgets and improving ROI with Tapper.
“Tapper played a key role in improving the efficiency of Du's performance marketing activity by addressing traffic quality issues within campaigns. Following implementation, Du achieved a 13% reduction in CPA and an 8.6% increase in order rate, demonstrating a clear improvement in conversion quality and overall campaign effectiveness.”

Joseph Elbcherrawy
Client Leadership Director, Mindshare, a WPP Media Brand

“During our Tapper trial for INFINITI, we uncovered low-quality traffic that wasn't visible inside the platforms. Removing it delivered a 14% uplift in conversions and an 11.4% reduction in CPA - a meaningful efficiency gain for INFINITI's 2026 growth plans.”
David Barnes
Data & Technology Lead, Omnicom Group

“With Tapper's protection we were able to identify and block invalid clicks in real time. The impact was immediate as our cost per acquisition dropped by 30% and ROAS improved significantly. More importantly, Tapper gives us the confidence that our campaigns are reaching genuine customers, which makes it truly invaluable.”

Dimitris Bakas
Senior Performance Marketing, Public Group

“We started using Tapper to get better visibility on where our clicks were coming from, and ended up cutting wasted spend by over 12%. The performance uplift was clear, and for the first time, we could trust the numbers we were seeing. It's a total game-changer for campaign integrity.”

Stuart Parkin
Director of Operations, Regit
“Tapper's blocking technology purifies our paid media traffic which roughly equates to a 36x return against its subscription costs. It's certainly one of the easiest-to-implement tools in our entire marketing stack.”

Reno Mindemann
Head of Growth, Kama Capital

“We've been using Tapper for over a year now, and it has become a core part of how we run paid media. Invalid traffic was always something we knew existed but couldn't really act on. Tapper changed that. We're now saving up to $50K per year, and on PureSquare specifically, we saw around a 20% decrease in CPA. Based on these results, we decided to roll it out across other ventures under Disrupt as well.”
Nurkan Kirkan
GTM Consultant / Paid Growth, Disrupt.com
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Frequently asked questions
Everything about bot traffic on Display & Programmatic open exchange.
The open exchange has minimal publisher vetting. Any publisher can submit inventory into the RTB bid stream with limited scrutiny, and low-quality or entirely fraudulent inventory sources benefit from the same auction infrastructure as premium publishers. Private marketplace and programmatic guaranteed deals involve direct relationships and vetting that significantly reduce, though do not eliminate, bot exposure.
GIVT, or general invalid traffic, includes basic bot crawlers and data centre traffic identifiable by known IP ranges and user agent lists. SIVT, or sophisticated invalid traffic, uses residential proxies, browser emulation, and human-like interaction patterns to evade standard detection. On open exchange inventory, both types are endemic, but SIVT is the harder problem and accounts for a growing share of total bot impressions.
Bot impressions register as served in your DSP reporting, inflating your impression count while your genuine viewability rate falls. When bots simulate a page view, the impression is counted but no real human sees the ad. Your reported viewability rate is the average across real and bot-served impressions, masking how few of your genuine audience-delivered impressions were actually visible.
Other fraud types on Display & Programmatic open exchange
Open exchange campaigns face multiple fraud threats. Tapper protects against all of them.
Stop bot traffic on your Display open exchange
Book a demo and we will show you exactly what Tapper would block on your account, before you commit to anything.