What is a Subdomain?
A subdomain is an extension of your main domain. For example, if your domain is yourcompany.com, you can create:
blog.yourcompany.com→ For a separate blogshop.yourcompany.com→ For an online storeapp.yourcompany.com→ For a web applicationdev.yourcompany.com→ For development testing
Subdomains are free and unlimited with your PlatiniumHost plan.
How to Create a Subdomain in cPanel
- Log in to cPanel
- Find the "Domains" section
- Click on "Subdomains"
- In the "Subdomain" field, type the prefix. E.g.:
blog - Select your domain from the dropdown menu
- The Document Root will be filled automatically (e.g.:
public_html/blog) - Click on "Create"
✅ Done! Your subdomain
blog.yourdomain.com is now created. cPanel automatically creates the folder public_html/blog/ where you should upload the files for that subdomain.How to Install WordPress on the Subdomain
Once the subdomain is created, you can install WordPress or another application on it using Softaculous. When choosing the installation domain, select the subdomain you just created.
💡 SSL for Subdomains: After creating the subdomain, go to cPanel → SSL/TLS Status and run AutoSSL to automatically install the HTTPS certificate on the subdomain.