Admiral

<p>For advanced analytics and revenue recovery solutions install: <a href="https://wordpress.org/plugins/admiral-adblock-suite/" rel="ugc">Admiral Adblock Analytics</a></p>
<h4>Feature: Built-in Tool</h4>
<p>Publishers can serve alternative content that appears when users have enabled an adblocker. Ad Blocking Detector will intelligently determine which to display to the user. Check Screenshots tab for examples.<br />
Use this tool to feature content such as a sign-up form for your email newsletter in the place of a blocked ad. Don’t let adblockers waste prime real estate on your site.</p>
<h4>Feature: Hook In With JavaScript and CSS</h4>
<p>Easily modify the appearance of your site with CSS or execute JavaScript code based on adblock detection results.</p>
<h4>Additional Features:</h4>
<ul>
<li>Detects all major adblocking browser extensions on all major web browsers. Including AdBlock, AdBlock Plus, and Ghostery.</li>
<li>Compatible with WordPress multisite networks.</li>
</ul>
<p>For more information regarding adblock detecting and revenue recovery, please visit <a href="https://getadmiral.com/" rel="nofollow ugc">www.getadmiral.com</a>.</p>


Ad Blocking Detector

If you don't believe go and check his demo
http://adblockingdetector.johnmorris.me/demo/
It says no adblocker is detected even if you have an ad blocker enabled.


edit: it works now. 

It works now

Protect your advertising revenue from adblockers.

<p>Installing the Block AdBlock plugin allows publishers to lock their content until users disable their adblock add-ons. Locked content remains SEO friendly.</p>
<p>For advanced analytics and revenue recovery solutions install: <a href="https://wordpress.org/plugins/admiral-adblock-suite/" rel="ugc">Admiral Adblock Analytics</a></p>
<h4>Block AdBlock Features</h4>
<ul>
<li>Random class naming to make it harder for Block AdBlock to be blocked</li>
<li>The ability to customize your message across 3 different display units/layouts</li>
<li>Message delay in seconds</li>
<li>Hidden/Unhidden “close button on custom message OR close message automatically after a few seconds</li>
</ul>
<h4>Valid on</h4>
<ul>
<li>Google Chrome</li>
<li>Mozilla Firefox</li>
<li>Internet Explorer (8+)</li>
<li>Safari</li>
<li>
<p>Opera</p>
</li>
<li>
<p><a href="https://www.youtube.com/watch?v=N9qeS9Iy4Ws" rel="nofollow ugc">Demo Video</a>.</p>
</li>
</ul>
<p>For more information regarding adblock detecting and revenue recovery, please visit <a href="https://getadmiral.com/" rel="nofollow ugc">www.getadmiral.com</a>.</p>


Block AdBlock

Block AdBlock detects site visitors who have enabled adblocking software, and allows publishers to engage these users via customized display messages.

Ad Blocking Detector vs Block AdBlock