Use case
Ad Analysis &
Verification
at precision scale.
See exactly what your ads look like in any market, on any device, to any audience segment — from fully isolated browser profiles that defeat geo-blocking, personalisation filters, and ad-serving logic.
01 — The problem
The ad you approved
is not the ad they see.
Ad networks serve personalised, geo-targeted, audience-filtered creatives. What you see when you review your campaigns from your own machine — your own IP, your own cookie history — is not what your actual audience sees. Without true environmental isolation, ad verification is guesswork.
Geo-locked ad delivery
Campaigns target specific cities, regions, and countries. Verification teams in a different location see the default fallback — or nothing at all. Standard VPNs get flagged by ad networks instantly, invalidating the test environment before a single impression loads.
Audience segment filtering
Ads served to "returning users aged 25–34 in high-income zip codes" will never appear in a fresh browser session on a corporate IP. Without a browser profile that genuinely matches the target audience's fingerprint, the ad simply doesn't trigger.
Competitor intelligence blocked
Brands monitoring competitor ad strategies get IP-rate-limited and cookie-profiled within hours. Standard research tools are detected, CAPTCHAed, and served sanitised content. Genuine competitive intelligence requires clean, unrecognised browser identities.
Ad fraud & compliance gaps
Affiliate creatives, third-party display placements, and publisher-side ad injection are invisible to your own browser environment. Without isolated profiles mimicking real user journeys, fraudulent ad substitutions and non-compliant creatives go undetected for months.
02 — How Phantom Kit works
Simulate any audience.
From anywhere.
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GEO
Geo-accurate browser profiles
Each profile binds to a residential proxy in the exact target market — city level if needed. Timezone, locale, language headers, and device signals all align to the proxy's exit node. Ad networks serve as if you're a real local user.
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ID
Audience identity simulation
Construct profiles that match your target audience segments — cookie-aged "returning users", mobile device fingerprints, specific OS and browser combinations, and behavioural history. Get the same ad delivery your audience gets.
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ISO
Complete session isolation
Every verification profile is fully independent — no shared cookies, localStorage, or fingerprint signals between sessions. Test retargeting, prospecting, and competitor ads in separate isolated environments simultaneously.
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AUDIT
Cross-market creative comparison
Run the same URL through profiles in 10 different markets simultaneously. Capture which creative variant, which copy, which landing page each geo receives — and instantly surface discrepancies between what was approved and what's serving.
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COMP
Undetected competitor research
Monitor competitor ad strategies, landing page tests, and pricing campaigns through rotating clean profiles. No IP bans, no sanitised content, no rate limiting — genuine ad intelligence from the same vantage point as a real customer.
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FRAUD
Ad fraud & placement verification
Simulate real user journeys on publisher sites to detect ad injection, creative substitution, and non-compliant placements. Verify that affiliate partners are running your approved creatives — not their own — against your brand.
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AUTO
Automated monitoring via API
Schedule periodic verification runs across your entire campaign portfolio using our REST API and Playwright/Puppeteer integration. Capture screenshots, detect creative drift, and log delivery discrepancies automatically.
03 — Applications
Every verification
use case covered.
Multi-market ad delivery testing
Verify that the right creative, offer, and landing page is serving in each target market. Catch geo-routing errors, wrong-language copy, and region-restricted content before campaigns go live at scale.
Audience segment verification
Confirm that retargeting, lookalike, and exclusion audiences are being applied correctly by simulating the exact cookie and behavioural profile each segment represents. Verify your audience logic actually works.
Competitor ad monitoring
Track competitor campaigns across channels and markets using clean, rotating profiles. Monitor creative strategy, offer changes, landing page tests, and seasonal campaigns — without ever being detected or rate-limited.
Regulatory & brand compliance
Verify that affiliate partners, resellers, and publisher networks are running your approved creatives — not substituted versions. Detect brand guideline breaches, illegal offer terms, and non-compliant ad placements across markets.
Ad fraud & injection detection
Identify fraudulent ad injection, creative hijacking, and pixel stuffing by simulating user journeys through publisher sites with isolated clean profiles. Document evidence of fraud with full session capture and metadata logs.
Creative variant & A/B test auditing
Use multiple isolated profiles with identical audience signals to confirm that A/B test variants are being split correctly. Verify that holdout groups, control cells, and test arms are serving as configured by your DSP or ad server.
04 — Verification workflow
From campaign brief
to evidence report.
Define verification scope
Specify the markets, audience segments, devices, and creative variants you need to verify. Map each combination to a browser profile configuration — geo, proxy, cookie age, OS, and browser version.
Build audience-matched profiles
Create profiles with residential proxies for each target market. Age cookies to match segment criteria — fresh for prospecting tests, history-loaded for retargeting verification. Align all fingerprint parameters to target device types.
Run simultaneous verification sessions
Launch all profiles in parallel. Each session navigates the target URLs, triggers ad loads, and captures full page state — creative served, metadata, placement, and any discrepancies from the approved spec.
Log & compare results
Compile creative captures, metadata, and delivery flags into a structured audit log. Compare against the approved creative matrix to identify geo-routing errors, wrong variants, missing ads, and non-compliant copy.
Automate ongoing monitoring
Schedule verification runs via API. Set alerts for creative drift, geo-delivery failures, or new competitor creatives. Generate periodic reports for brand safety, compliance, and campaign QA teams automatically.
05 — Who uses it
Built for every team
that runs ads at scale.
In-house marketing teams
Verify global campaign delivery, catch creative routing errors pre-launch, and audit affiliate partner compliance across every market.
Brand safetyMedia agencies
QA client campaigns across dozens of markets simultaneously. Demonstrate delivery accuracy with documented audit logs and screenshot evidence for client reporting.
Campaign QAAd fraud investigators
Simulate clean user journeys to expose injection, creative substitution, and pixel stuffing. Build documented evidence trails using session metadata and isolated captures.
Fraud evidenceCompliance & legal teams
Audit affiliate networks and reseller partners for brand guideline breaches, illegal offer terms, and misleading ad copy — with legally defensible session capture evidence.
Legal evidence06 — By the numbers
Verification at
enterprise scale.
07 — From the field
We were spending £40k a month on a display campaign in Germany and had no idea the creative running was an outdated version that breached our offer terms. Phantom Kit let us verify delivery in 14 markets simultaneously from our London office. We caught four live compliance issues in the first week — two of which were legal risks.
— Head of Performance Marketing, EU consumer brand · 14-market verification programme
Get started
See what your
audience actually sees.
Set up your first verification profile in minutes. Your first geo audit is one click away.