Really Simple SSL

Installing an SSL certificate



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Really Simple SSL requires a valid SSL certificate to migrate your website to https. If your website does not have a SSL certificate, you will be shown the following warning message:

If you see this notice, please first click on the ‘Reload over https’ button. If this doesn’t work, your site likely uses an invalid SSL certificate. You can test your certificate by entering your domain here: If you don’t get an A rating when you scan your site, you probably don’t have a valid SSL certificate yet. A valid SSL certificate is required for Really Simple SSL to work.

If you would like to get a free SSL certificate, you are in luck, thanks to Let’s Encrypt – An open certificate authority (CA), run for the public’s benefit. While Let’s Encrypt does not have a WordPress plugin, you can use SSL Zen plugin which helps you to generate and install a free SSL certificate from Let’s Encrypt.

If your hosting package has cPanel, you can easily add a free SSL certificate with the SSL Zen plugin. This plugin allows you to generate a free Let’s Encrypt certificate. A Let’s Encrypt certificate is a free SSL certificate.


  • cPanel access with the TLS/SSL Manager module enabled
  • FTP/file manager access

How to install a free SSL certificate on your cPanel hosting environment

The first step is to check if your hosting environment supports cPanel.

The easiest way to check this is to navigate to Most hosting providers allow you to access cPanel by adding /cPanel to your domain. Another option is to check for cPanel in your hosting environment. Most hosting providers have a link to your cPanel environment.

Download the plugin by navigating to your WordPress dashboard and clicking on Plugins > Add New and search for ‘SSL Zen’ or download it directly by clicking here.
SSL Zen has two plans – Free and Premium. Here’s a quick comparison between the plans:

Using SSL Zen – Step 1

Once installed, navigate to the SSL Zen wizard:

If your website uses the www sub-domain, click on ‘Include www-prefixed version too?’ Make sure the email address entered is valid as all the SSL certificate renewal notices will be sent to this email. Click on ‘I agree to Terms and Conditions’ and then on the Next button.

Using SSL Zen – Step 2

SSL Zen requires you to prove your domain ownership by either uploading a HTML file on your website or adding a TXT record from your domain panel. We recommend using the DNS verification as the process is fairly easy compared to HTTP verification.

DNS Verification

Follow the instructions on the plugin page or if you prefer a video tutorial, please watch this video –
If the DNS verification fails for some reason, only then try the HTTP verification method.

HTTP Verification

Follow the instructions on the plugin page or if you prefer a video tutorial, please watch this video –

Using SSL Zen – Step 3

Follow the instructions on the plugin page or if you prefer a video tutorial, please watch this video –

Once you’ve successfully installed the SSL certificate, download Really Simple SSL and activate it to migrate your website to https.

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3 Responses

    1. Hi Malik,

      Do you mean that the SSL Zen plugin is not free? We don’t have any ties with SSL zen, but as far as I can tell it’s still free. If this is not what you mean, can you be a bit more specific?

  1. Hello,

    I’m the author of SSL Zen. Let me start by saying I’m a big fan of Really Simple SSL.
    I can confirm that SSL Zen is free and more than 10,000 websites have generated and used free SSL certificate.

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