Definition

HTTPS

HTTPS is HTTP sent over an encrypted TLS connection. It protects data in transit, shows a padlock instead of a 'Not secure' warning, and is a lightweight ranking signal, so it is the standard for every public website.

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Related terms

SSL certificate

A digital certificate that enables HTTPS and proves a site's identity.

TLS

The protocol that encrypts traffic between a browser and a server.

Mixed content

An HTTPS page that loads some resources over insecure HTTP.

HSTS

A header that forces browsers to use HTTPS for a site.

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