FASilytics.
Tools
Can I trust my numbers? Contact Laurent →
FR EN

Latest Articles

Technical insights on Ads, Tracking, Analytics & DataViz

IP Address Redaction in Server-Side GTM: What Google’s Method Does, Where It Leaks, and How to Verify It
google, privacy, tech

IP Address Redaction in Server-Side GTM: What Google’s Method Does, Where It Leaks, and How to Verify It

Google now documents how to mask the visitor's IP inside a server-side GTM container, before any tag sees it. What the transformation actually does, the...

Read Article →
Safari 27 blocks adtech domains: one request blocked, three sent
tech, privacy

Safari 27 Blocks Adtech Domains at the Network Layer: What the WebKit Source Says, What I Measured, and How to Audit Your Site

Safari 27 no longer just starves trackers of cookies: it refuses to send the request. I read the WebKit commits, reproduced the block on Safari...

Read Article →
Beyond Cookies: The Complete Map of Browser Tracking Signals (and Documented Use Cases)
privacy, tech

Beyond Cookies: The Complete Map of Browser Tracking Signals (and Documented Use Cases)

Cookieless does not mean anonymous Clearing cookies used to feel like a reset. It is not. Modern tracking increasingly relies on measurement (fingerprinting) and side-channels...

Read Article →
“Cookieless”: Marketing Promise vs Technical Reality – A Deep Technical Dive
privacy, tech

“Cookieless”: Marketing Promise vs Technical Reality – A Deep Technical Dive

Introduction The term “cookieless” has become the hottest buzzword in digital marketing and ad tech. You can’t attend a conference, read a vendor pitch, or...

Read Article →
FASilytics.
Legal notice · fasilytics.fr