How to Force Magento 1 & 2 to Use HTTPS

You have set up your Magento site to use HTTPS, but users can still visit your site through non-secure URLs. To force HTTPS on all of the pages on your frontend, follow these below steps.

In Magento 1:

1. Log in your Magento backend. Go to System > Configuration.
2. Under General section, select Web. Then, in the Secure section, change the Base URL to https://yourdomain.com/

3. Change the value of Use Secure URLs in Frontend and Use Secure URLs in Admin options to Yes. Then click Save Config.
4. Clear Magento cache.

In Magento 2:

1. Log in your Magento backend. Go to Stores > Settings > Configuration.
   

   

2. Under General section, select Web. Then, in the Base URLs (Secure) section, change the Secure Base URL to https://yourdomain.com/

3. Change the value of Use Secure URLs on Storefront and Use Secure URLs in Admin options to Yes. Then click Save Config.
4. Clear Magento cache.

Hope that helps!