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What to ask before trusting a vendor's TCF compliance claim

2026-09-27. Every ad-tech vendor claims TCF compliance, and the yes means ten different things. Five questions to ask in writing, one scan to verify the answers, and the routine takes less time than one compliance incident.

Consent Mode basic vs advanced implementation: what actually changes

Two implementations with very different privacy properties. What basic and advanced mode each do with denied consent, and how to choose.

Does your consent banner hurt your Core Web Vitals?

A consent banner is JavaScript that runs before almost everything else. Where the performance cost comes from, how to measure it, and the fixes that actually move the scores.

Switching CMP vendors: a migration checklist for publishers

Switching consent vendors is the riskiest week in a publisher's ad-tech calendar. Get the migration wrong and consent strings break, TCF signals go missing from bid requests, and programmatic revenue dips for reasons nob

How publishers debug a broken TCF consent string

Decode the TC string and read it literally: which purposes are consented, which vendors are listed, and whether the string matches what the banner promised. Most broken strings come from a stale vendor list or a CMP and banner disagreeing about legal basis.

What is TCF v2.2 and what changed from v2.0?

The Transparency and Consent Framework v2.2 is IAB Europe's current standard for passing consent choices between publishers, consent platforms, and.

What happens to programmatic ads when visitors decline consent?

When a visitor declines consent, ad vendors receive a consent string saying no, and most respond by serving limited or non-personalized ads with.