Guides for media buyers.
How tracking, routing and anti-fraud work in practice, written by the team behind XPNSR Tracker.
Traffic Routing Rules: Splitting by GEO, Device and Schedule
How to send each visitor to the offer that pays most for them: rule order, fallbacks, caps and schedules, with examples you can copy.
Read →Cost Tracking: Getting Real ROI When Spend Lives Elsewhere
Revenue arrives by postback, spend sits in the ad platform. How to bring cost into your tracker, which cost model to use, and how to check it.
Read →How to Choose an Ad Tracker: A Checklist for 2026
Hosted or self-hosted, click limits, routing, anti-fraud, postbacks and conversion APIs: the questions to ask before you move your campaigns.
Read →Reports That Find Profit: Drill-Downs by Source, GEO and Sub ID
How to read campaign reports layer by layer, find the segments that earn and the ones that burn budget, and turn the findings into rules.
Read →Attribution for Affiliate Campaigns: Last Click, Windows and Duplicates
Which click gets the conversion, how long a click stays eligible, and why the tracker, the network and the ad platform report different numbers.
Read →Tracking Domains and SSL: Setup, Rotation and Hygiene
Why every campaign should run on your own tracking domain, how to connect it with DNS, keep HTTPS valid and rotate domains without breaking live ads.
Read →Click Fraud Warning Signs: Reading Your Traffic Like an Analyst
The patterns in your own reports that point to fake or low-quality clicks, and what to do about each one before it eats the budget.
Read →Sample Size for Split Tests: How Much Traffic Is Enough?
A practical way to size landing page and offer tests by conversions, not clicks, with a rule of thumb you can apply without a statistics package.
Read →Prelanders vs Landing Pages: When Each One Pays Off
A prelander warms up cold traffic, a landing page sells. When to add a step to the funnel, how to measure it, and when it only costs you clicks.
Read →Conversion APIs Explained: Sending Conversions Back to Ad Platforms
Why ad platforms want server-side conversion events, what a Conversion API needs from your tracker, and how to keep the data clean and consented.
Read →Postback Not Firing? 9 Common Causes and How to Fix Them
A checklist for missing, duplicated and mismatched conversions: from a lost click ID to wrong statuses, currency mix-ups and blocked requests.
Read →UTM Tags vs Sub IDs: Passing Data Through Your Funnel
UTM tags describe a visit for web analytics; sub IDs carry data to the tracker and the network. How to use both without losing a single value.
Read →S2S Postback Setup: A 5-Minute Guide for Affiliates
From zero to tracking real conversions: no SDK, no pixel, just a server-to-server postback URL and the right macros.
Read →Bot Detection for Media Buyers: A Technical Primer
IP intelligence, TLS fingerprints and behaviour: how bot filtering works, and how to keep fake clicks out of your numbers.
Read →A/B Testing for Push & Native: A Practical Framework
How to split-test landing pages and offers on push and native traffic without fooling yourself with small numbers.
Read →Media Buying KPIs: Beyond CTR and CPM
The numbers that decide whether a campaign makes money: EPC, ROI, CR by stage, cost per conversion and the reports that show them.
Read →