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.

SuperWebDev

<p>Stop losing money on your google adsense and other ad network accounts by using adBlock Alerter. adBlock Alerter detects if a user on you blog/website is using; adBlock, adBlock Pro, adBlock Plus or any type of ad blocking plugins/extensions and displays a message or image to disable it/add your website to their whitelist before viewing the content. The message you display is totally customisable and can even be an image.</p>


adBlock Alerter

Detects if a user is using adBlock, adBlock Plus or any other software that might be disabling ads on your website and prompts them to disable it.

Ad Blocking Detector vs adBlock Alerter