Attribution deep-dives, migration guides, engineering write-ups. No fluff, no listicles — just what we've learned scaling spend through our own stack.
iOS 18 + Chrome's third-party cookie deprecation killed the lazy attribution stack. Server-side first-party tracking, signed click IDs, and CAPI as the source of truth — the new playbook.
Step-by-step from signup to first scaled campaign on the new tracker. CSV import, link mirroring, parallel run, DNS cutover.
Most lead-gen teams ship leads with no retry, no validation, no audit. We dug into 14M leads and found the leaks.
Cloudflare Workers + Redis + a custom DNS routing layer. The engineering deep-dive on why every millisecond matters.
ttclid lifetime, Events API integration, deduplication and matching window. Everything we learned scaling $40M on TikTok.
How Crestline Agency runs 14 clients with one workspace, four role tiers, and zero spreadsheet permissions chaos.
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