Archivarix External Images Importer will scan your posts and pages for external urls in src/srcset attribute for all img tags. Based on configured settings it can:
- Download images from their external locations
- Download images from Internet Archive (Wayback Machine)
You can choose what to do with images that could not be retrieved from external sources.
For further information and instructions please see Archivarix WP Plugin
Te puedes descargar este plugin para utilizarlo en tu instalación autoalojada de WordPress.