The 'External Links' WordPress plugin is a transformative tool for website management, which primarily focuses on handling all the outbound links on a website. By automating the process of adding nofollow attributes, this plugin ensures that the website's SEO value does not pass onto other sites unnecessarily. Think of it as a barricade that blocks your SEO juice from seeping out.

Additionally, the External Links plugin also adds an icon next to the external links. This visual representation provides better transparency to the website viewers, indicating that a particular link will redirect users outside the main website. Hence, it assesses and grants user-friendly browsing—the depiction of the external link by a suggestive icon aids the user in identifying the link nature.

Moreover, this plugin is highly customizable. You can choose to apply settings globally across your site or pick specific sections where you want the rules to apply. If, at any point, you require to exempt certain links, you can effortlessly do so using the plugin's options panel. It grants this feature by providing a space where you can insert the domains you wish to whitelist.

One of the key features that make this plugin a real game-changer is its ability to open all external links in a new window or tab. This feature allows keeping the users on your page even if they click on an external link satisfying both, the website’s dwell time due to longer user engagement and end-user experience.

In terms of compliance, the External Links WordPress plugin adopts attributes like UGC and sponsored which adhere to Google's rules for sponsored and user-generated content. This way, chances of getting penalized by Google are minimized.