
What Is Secure DNS? DNS Over HTTPS Privacy and Browser Settings
Secure DNS can encrypt domain lookups, but it is not a VPN. Here is what DNS over HTTPS protects in Chrome and Firefox, and what it still leaves visible.
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Secure DNS can encrypt domain lookups, but it is not a VPN. Here is what DNS over HTTPS protects in Chrome and Firefox, and what it still leaves visible.

Modern browsers can put third-party cookies into separate site-specific jars, reducing cross-site tracking while preserving many embedded features.

Profiles create durable separation for accounts, history, extensions and settings. Private windows are temporary sessions, not a reliable work-personal boundary.

A five-star rating cannot tell you whether an extension can read every page you visit. The permission screen can—and it deserves a minute before installation.

The browser can try HTTPS first and warn before loading an insecure connection. That protects the trip to a site, but it does not prove the site itself is honest.

A site can combine many ordinary device and browser signals into a probabilistic identifier. The best defense is built-in normalization, not making your setup uniquely strange.

A website notification can appear outside the tab and imitate a system warning. Remove the site's permission instead of clicking the alert or installing its suggested fix.

Sync can move bookmarks, history, open tabs, settings and passwords across devices. Choose the categories deliberately and secure the account that unlocks them.

Security fixes do not help a browser that has been waiting weeks for a restart. Check the real version, restart when required and retire unsupported systems.