Really Simple SSL Pro is an advanced version of the Really Simple SSL plug-in, a tool to add SSL/HTTPS support to WordPress websites. The Pro version offers additional features and capabilities to help you manage and protect your site more effectively. Key features of Really Simple SSL Pro include:
1. Mixed Content Fix: This feature automatically detects and fixes mixed content issues that occur when some elements of a page are loaded over HTTP and others are loaded over HTTPS.
2. Backup and Recovery: Really Simple SSL Pro allows you to back up your website before and after SSL installation, and restore the site in case of any problems.
3. Advanced security settings: The Pro version includes additional security settings such as setting HTTP Strict Transport Security (HSTS) headers and enabling OCSP compression.
4. Multi-site support: The Pro version can be used to enable SSL on WordPress multi-site networks and allows network-wide settings for all sites.
5. Email Support: Pro Edition subscribers can get dedicated email support to help configure and resolve plug-in issues.
6. Integration with other plugins: The Pro version can be integrated with other security plugins such as Cloudflare, Content Security Policy and Browser Cache plugins to help improve the security of your site.