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lock icon

A lock icon is a padlock symbol that indicates that the connection between a web browser and a website is encrypted and that the website's identity has been verified.

In plain English

It is the small padlock symbol used to mark a protected browser-to-website connection. The data moving between them is encrypted while it travels. It also means the website's identity has been verified.

In context

In the address bar, the lock icon communicates that the connection between the web browser and the website is encrypted and that the website's identity has been verified.

Situation
Understanding encryption, privacy, data-sharing, and secure-connection labels
What it communicates
signals site-connection protection in the address bar

Meaning limits

By itself, this term does not establish how the website will use or share data after it receives it.

Examples

“The lock icon stayed visible while the browser was connected to the site, even though the form still asked for separate consent to share the information.”

Core meaning

“In the address bar, a lock icon showed that the browser was using an encrypted connection to the verified site.”

In context