Chuyển hướng toàn bộ website wordpress từ http về https bằng .htaccess

Thêm đoạn code sau vào file .htaccess

RewriteEngine On
RewriteCond %{HTTPS} !=on
RewriteRule ^(.*)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301,NE]
Header always set Content-Security-Policy "upgrade-insecure-requests;"

Nội dung sẽ tương tự như ảnh sau:

Tham khảo https://help.dreamhost.com/hc/en-us/articles/215747758-Force-your-site-to-load-securely-with-an-htaccess-file