Redirect all traffic to HTTPS:
Method 1: Plesk (Recommended)
1. Go to Websites & Domains
2. Click "Hosting Settings"
3. Enable "Permanent SEO-safe 301 redirect from HTTP to HTTPS"
4. Click OK
Method 2: .htaccess (Apache/Linux)
```
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^(.)$ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
```
Method 3: web.config (IIS/Windows)
```xml
```
WordPress:
- Update WordPress Address and Site Address to https://
- Install Really Simple SSL plugin for easy setup
Important: Ensure SSL certificate is installed and working before forcing HTTPS.