HTTP to HTTPS Redirect: Setup & Best Practices

How to redirect HTTP to HTTPS correctly: Nginx, Apache, Cloudflare, HSTS headers, and avoiding redirect loops.

Nginx

server {\n    listen 80;\n    server_name example.com;\n    return 301 https://$server_name$request_uri;\n}

Apache

RewriteEngine On\nRewriteCond %{HTTPS} off\nRewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

HSTS Header

Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

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