Blog / Technical Guide
Technical Guide
Implementation-level walkthroughs with code: referrer parsing, webhook joins, UTM conventions, crawler verification, and the plumbing that makes attribution data trustworthy. These assume you can read JavaScript and edit DNS, and they show the failure modes — spoofed bots, stripped referrers, consent-gated tags — that silently corrupt measurement.
ChatGPT Referral Traffic Not Showing in Analytics? Here Is the DiagnosticChatGPT referral traffic not showing in analytics? Five mechanical reasons it hides in Direct, a step-by-step diagnostic, and the durable fix.How to Track ChatGPT and AI Traffic in Google Analytics 4 (2026 Setup Guide)The 7-step GA4 setup that stops losing ChatGPT, Perplexity, Claude, and Gemini visits to Direct: channel groups, GTM tags, BigQuery joins, exact regex.How to Track ChatGPT Traffic in Google Analytics (GA4): The Honest 7-Step SetupHow to track ChatGPT traffic in Google Analytics: the 7-step GA4 setup with exact regex, custom dimensions, an Exploration — and the 30% capture ceiling.Server-Side Analytics in 2026: When It's Worth the WiringServer-side analytics is three architectures with very different bills. A 2026 decision guide to reverse proxy, GTM Server-Side, and first-party tracking.Why GA4 Misses 30%+ of Your Real Traffic (And How to Recover It)GA4 misses 30-60% of real traffic: ITP, iOS link tracking, ad blockers, consent banners, and AI referrers each chew off a piece. How to recover it.Cookieless Tracking Solutions: 3 Architectures Compared (2026)Cookieless tracking solutions split into 3 architectures — server-side, first-party cookie, and fingerprintless hash. Decision tree: when Consent Mode v2 is enough vs when you need to go fully cookieless.Mobile Application Tracking After ATT: What Still WorksMobile application tracking broke when iOS ATT shipped. Here is what survives in 2026: IDFA, SKAdNetwork, MMPs, and the Stripe-revenue path teams miss.Cross-Site Tracking: What It Is and What Replaces ItCross-site tracking is dying. Here's what it actually means, why Safari/Firefox/Chrome killed it, and how to track revenue by channel without it.AI traffic attribution analytics: track ChatGPT, Perplexity, and Claude revenueWhy GA4 misclassifies AI engine traffic as Direct, how document.referrer works for ChatGPT and Perplexity, and how to link AI referrals to actual revenue.Stripe conversion tracking: how to see which marketing channels drive payments4 ways to track which marketing channels drive Stripe payments. Compare UTM links, GA4 webhooks, CDPs, and cookieless attribution.Conversion tracking without cookies in 2026Timeline of cookie deprecation and a technical guide to cookieless conversion tracking methods.GA4 revenue attribution limitations: where Google Analytics breaks for StripeStep-by-step walkthrough of GA4 revenue tracking with annotated code — and where it fails for Stripe-powered SaaS.