engasm89

The plugin is easy to use and it has a simple, user-friendly interface. 
It is also highly configurable, so you can customize it to meet your specific needs. 
The WordPress External Link Redirection plugin is free. 
It can help you triple your income from your ads by showing people more ads when they visit external links inside your articles or pages

External Link Redirection

The WordPress External Link Redirection plugin allows you to manage your site's external links and forward people to a waiting page with ads to m …

Archivarix

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:
<ul>
<li>Download images from their external locations</li>
<li>Download images from Internet Archive (Wayback Machine)</li>
</ul>
You can choose what to do with images that could not be retrieved from external sources.
For further information and instructions please see <a href="https://archivarix.com/en/wordpress/" rel="nofollow ugc">Archivarix WP Plugin</a>

Archivarix External Images Importer

Works great!
I imported several posts into a site running WordPress 5.9.3 with Gutenberg and the Archivarix External Images Importer plugin imported the external images without any issues. I've tested a few other image importer plugins but none of them had the ability to scan a site and import from existing content like this one does.

Works with Gutenberg

Import external images in posts and pages from its original external sources or Web Archive if original source is unavailable.

External Link Redirection vs Archivarix External Images Importer