It blocks all malware It hides your activity from your ISP and employer It stops browsing history, cookies, and form data from being saved on the local device after the session It makes you anonymous to websites
It encrypts the cookie It prevents JavaScript (document.cookie) from reading the cookie, which reduces the impact of XSS It makes the cookie expire on browser close It sends the cookie only over HTTP and never HTTPS
localStorage expires after 24 hours sessionStorage is shared by all tabs localStorage persists across sessions; sessionStorage is cleared when the tab is closed and is separate for each tab They are identical
You are typically logged out, because session identifiers are stored in cookies The site's server data is deleted Nothing changes Your saved passwords are deleted
Logging in with a fingerprint scanner Encrypting cookies Identifying a user by combining many browser and device characteristics, without needing cookies Signing extensions
It encrypts DNS lookups inside HTTPS, so on-path observers cannot read them easily It blocks cookies It makes websites load without DNS It replaces HTTPS
