Consent Mode with Server-Side GTM: End-to-End Setup
Consent Mode signals reach a server-side GTM container as URL parameters on every request. This guide walks through the full wiring: browser defaults, the gcs and gcd parameters, consent gating for non-Google tags, and how to test all four consent states before going live.
11 min read· Sep 17, 2026
Cookie Consent in a Headless CMS Architecture
A headless CMS moves cookie consent out of the CMS and into the frontend your team builds. This guide maps who sets cookies in a decoupled stack, how to gate embeds that editors paste into rich text, whether preview cookies need consent, and how consent survives static generation and edge caching.
10 min read· Sep 11, 2026
How ChatGPT Ads and Cookies Work
ChatGPT ads are sponsored cards shown to Free and Go users, matched to the conversation rather than a cookie profile. Cookies enter in two other places: OpenAI's own marketing cookies, switched on by default for free US accounts since April 2026, and the first-party __oppref cookie the OpenAI Measurement Pixel sets on advertisers' sites. Here's how each layer works and what consent it needs.
14 min read· Sep 3, 2026