Explainer ·
The Header That Carries Your Dark Mode
Your light or dark mode setting can leave the machine as an HTTP request header. The same channel carries your motion and contrast preferences too.
privacy
Explainer ·
What Replaced the User-Agent String
The User-Agent string was trimmed to leak less. The detail it carried did not disappear - it moved to a channel the server switches on, and one engine answers.
Explainer ·
The Request That Describes Your Device
Before your JavaScript runs, the browser can already have told the server how much RAM your device has and how fast your connection is, rounded off on purpose.
Explainer ·
The Page You Never Opened Has Already Loaded
Two hundred milliseconds of hover can be enough for the destination to load in full, run all of its JavaScript, and count you as a visitor.
Explainer ·
What a Page Knows About You Before You Click Anything
Loading a page is not a neutral act. A set of identifying details arrives with the request itself, before any script runs and before you touch the screen.