https://github.com/chromium/hstspreload

🔒🔍 A Go package to scan sites against requirements for Chromium-maintained HSTS preload list.
https://github.com/chromium/hstspreload

chrome chromium hsts hstspreload https mit

Last synced: 3 months ago
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🔒🔍 A Go package to scan sites against requirements for Chromium-maintained HSTS preload list.

• Host: GitHub
• URL: https://github.com/chromium/hstspreload
• Owner: chromium
• License: bsd-3-clause
• Created: 2016-03-17T23:39:44.000Z (about 10 years ago)
• Default Branch: main
• Last Pushed: 2025-06-18T20:00:47.000Z (12 months ago)
• Last Synced: 2025-10-09T01:57:55.398Z (8 months ago)
• Topics: chrome, chromium, hsts, hstspreload, https, mit
• Language: Go
• Homepage: https://hstspreload.org
• Size: 336 KB
• Stars: 121
• Watchers: 25
• Forks: 39
• Open Issues: 19
• Metadata Files:
  • Readme: README.md
  • Contributing: CONTRIBUTING.md
  • License: LICENSE

Awesome Lists containing this project

README

          
# HSTS Preload List – Utility Code

[![GoDoc](https://godoc.org/github.com/chromium/hstspreload?status.svg)](https://godoc.org/github.com/chromium/hstspreload)

[![Build Status](https://travis-ci.org/chromium/hstspreload.svg?branch=master)](https://travis-ci.org/chromium/hstspreload)

HSTS is [HTTP Strict Transport Security](https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security), which is a policy system for web sites to express a desire only to be contacted over HTTPS.

See  for the submission site code.

## Usage

To check if a domain satisfies the requirements for preloading (assuming `$PATH` contains `$GOPATH/bin/`):

    go install github.com/chromium/hstspreload/...@latest

    hstspreload preloadabledomain wikipedia.org

For full documentation, see