mirketio

Mirket Popup Redirect Countdown is a lightweight WordPress plugin that displays a full-screen popup overlay with a custom image. If the visitor doesn’t dismiss it, a countdown timer redirects them to a target URL.
Features:
<ul>
<li>Full-screen lightbox overlay with a configurable image</li>
<li>Countdown timer with automatic redirect</li>
<li>Animated progress bar showing remaining time</li>
<li>Dismiss by clicking close button, clicking outside, or pressing Escape</li>
<li>Cookie-based tracking to prevent re-display after dismissal</li>
<li>Display on homepage, all pages, or specific pages</li>
<li>Redirect to an internal WordPress page or external URL</li>
<li>Adjustable overlay opacity</li>
<li>WordPress media library integration</li>
<li>Vanilla JavaScript — no frontend jQuery dependency</li>
</ul>

Mirket Popup Redirect Countdown

Shows an animated image overlay on configurable pages. If the user doesn't close it, a countdown redirects them to a target URL.

AbroadPal

Notification Widget offers you the ability to insert and fully customize an overlay widget for your website, blog, etc.
You can easily change all settings of the entire overlay in the Dashboard. 
There are the following settings for you to change:
Overlay Style: 
– colors of bar and content frame background 
– text of the content frame and bar
Overlay Layout: 
– distance of the close button to the borders 
– size of the close button 
– height of the bar 
– height and width of the content frame 
– widget position (X- and Y-axis)

Notification Widget

Notification Widget is a overlay allowing you to get a individual overlay for your website.

Mirket Popup Redirect Countdown vs Notification Widget