Hao Nguyen

Init Ad Engine lets you insert various ad formats into your WordPress site with zero coding required.
Built for flexibility and performance: 
– Tabbed admin UI with clear separation by device type 
– All styles are inline or embedded – no external CSS files 
– Multiple ad formats supported: popups, sticky bars, floating ads, popunder, before/after content 
– Optional fallback HTML/JS code when no image is provided
Available ad positions:
<ul>
<li>
Desktop (PC): 
Billboard, Balloon Left/Right, Float Left/Right, Catfish Top/Bottom, Popup Center, Before/After Content
</li>
<li>
Mobile: 
Mini Billboard, Sticky Top/Bottom, Popup Center, Before/After Content
</li>
<li>
Special: 
Popunder (opens new tab on first click), Global header/footer code injection
</li>
</ul>
This plugin is part of the <a href="https://en.inithtml.com/init-plugin-suite-minimalist-powerful-and-free-wordpress-plugins/" rel="nofollow ugc">Init Plugin Suite</a> — a collection of minimalist, fast, and developer-focused tools for WordPress.
GitHub repository: <a href="https://github.com/brokensmile2103/init-ad-engine" rel="nofollow ugc">https://github.com/brokensmile2103/init-ad-engine</a>
<h3>Features</h3>
<ul>
<li>20+ configurable ad positions</li>
<li>Popunder with cooldown and click threshold</li>
<li>Exit-intent or delay-based popup behavior</li>
<li>Global <code><head></code> and <code></body></code> injection fields</li>
<li>Fallback HTML/JS ad code per position</li>
<li>Minimalist inline CSS for fast load</li>
<li>Responsive support for all device types</li>
<li>Clean admin UI with media uploader</li>
<li>Affiliate Gate with flexible display logic (always-on, expire-after-click, random %, every X pages)</li>
</ul>
<h3>Filters for Developers</h3>
<ul>
<li>
<code>init_plugin_suite_ad_engine_use_kses</code> 
Control whether ad snippets are escaped via <code>wp_kses</code>. Default: <code>true</code>.
</li>
<li>
<code>init_plugin_suite_ad_engine_allowed_tags</code> 
Extend or modify the allow-list of permitted tags/attributes for ad snippets.
</li>
<li>
<code>init_plugin_suite_ad_engine_disable_all_ads</code> 
Disable all ad injections globally. Default: <code>false</code>.
</li>
<li>
<code>init_ad_engine_should_enqueue_affiliate_gate</code> 
Control whether the Affiliate Gate scripts should be enqueued.
</li>
</ul>
<h3>Security Notes</h3>
<ul>
<li>Ad snippets entered in the plugin settings are considered user-provided content. </li>
<li>By default, all snippets are escaped at render time using <code>wp_kses</code> with a restricted allow-list of tags and attributes. </li>
<li>Developers can disable escaping via the <code>init_plugin_suite_ad_engine_use_kses</code> filter if they explicitly trust their input. </li>
<li>All ad injections can be globally disabled via the <code>init_plugin_suite_ad_engine_disable_all_ads</code> filter. </li>
<li>Only administrators with the <code>manage_options</code> capability can configure or modify global ad settings.</li>
</ul>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
You are free to use, modify, and distribute it under the same license.

Init Ad Engine – Flexible, Multi-Format, Secure

A lightweight and flexible ad engine for WordPress. Place banners, popups, sticky ads, and popunders across desktop and mobile with full control.

adscendmedia

Generate revenue from every single person that views your content ($.90 per USA visitor is the current average), using AdLock® from Adscend Media. This plugin allows you to easily implement the AdLock service, and select which posts to apply it to. Visitors to the selected pages will need to unlock the page content by completing a short sponsored action.
You must have an Adscend Media publisher account in order to use this plugin. If you do not yet have one, <a href="https://adscendmedia.com/apply.php" rel="nofollow ugc">apply here</a>. 
Founded in 2009, Adscend Media is a leader in the online advertising space, focused on developing innovative, turn-key digital content monetization solutions. AdLock®, Adscend Media’s proprietary content locking technology, allows publishers to maximize revenues from their premium content, and realize earnings far beyond that of traditional CPM advertising. Adscend Media has been named to the prestigious Inc. 500 list, and recognized as a Top 10 Network by Revenue Performance Magazine.
<h3>Usage</h3>
<ol>
<li>From your <a href="https://adscendmedia.com/widget.php" rel="nofollow ugc">Adscend Media dashboard</a>, create a new AdLock Widget, or click Get Code next to an existing profile.</li>
<li>In your WordPress admin dashboard, click on the AdLock® Widgets menu item, then on Add New at the top of the page.</li>
<li>Enter a title for your AdLock Widget (you will probably want to use same title as the Widget name within Adscend), then paste in the HTML code snippet provided to you by the Adscend Media website.</li>
<li>Select which pages to apply AdLock.</li>
<li>Click Publish. Your AdLock Widget will now appear to visitors of the selected pages.</li>
</ol>

Adscend AdLock

Generate revenue from every single person that views your content ($.90 per USA visitor is current average), using AdLock® from Adscend Media

Init Ad Engine – Flexible, Multi-Format, Secure vs Adscend AdLock