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Definition

What is HTTPS (HTTP Secure)?

HTTPS is HTTP wrapped in TLS encryption — it protects requests and responses in transit and proves to the browser that the site is who it claims to be.

Also called: HTTP Secure · SSL · TLS

TLS uses a public-key certificate, issued by a trusted authority, to establish an encrypted session between browser and server. Modern free CAs like Let's Encrypt made HTTPS the universal default around 2018.

HTTPS is a soft ranking signal in Google and a hard requirement for many browser APIs (service workers, geolocation, WebAuthn, camera/microphone). Chrome marks plain HTTP pages as 'Not Secure'.

A correctly-configured site redirects all HTTP traffic to HTTPS, sets a canonical to the HTTPS URL, and enables HSTS so the browser refuses to fall back.

Try a tool that uses HTTPS (HTTP Secure)

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