Browsing a site as an admin, icons are added to external links indicating their nofollow status. Clicking the icons toggles nofollow status via Ajax.

joel_birch

<h3>Summary</h3>
<p>NoFollowr allows an administrator to easily see which external links are granting search-engine benefits upon another site. The administrator can toggle between allowing and disallowing this benefit with a single click. The change is instant and does not require a page reload, making the moderation of external links a breeze.</p>
<h3>How it works</h3>
<p>When logged in as an administrator, green “tick” and red “stop” icons appear next to all external links in a post indicating whether <code>rel="nofollow"</code> is currently applied to them. Simply click an icon to toggle between these two states and alter the link’s nofollow status. This change is applied to your database remotely, without requiring a page reload.</p>
<h3>Why is this plugin useful?</h3>
<p>The whole question of <a href="http://www.seowizz.net/2009/04/relnofollow-debate-lets-try-and-get-to.html" title="The rel=nofollow debate: Let’s Try and Get To Grips With It" rel="nofollow ugc">whether to use <code>rel="nofollow"</code></a> is a hotly debated one, and applying it (or not) across the board is not a good solution. You want to give credit where it is due and reward useful websites but, at the same time, you do not want to reward suspect websites that promote unethical or unscrupulous behaviour. Read more about how <a href="http://skeptools.wordpress.com/2008/09/03/not-just-for-spam-anymore-nofollow-for-skepticism/" title="Not just for spam anymore: NOFOLLOW for skepticism « Skeptical Software Tools" rel="nofollow ugc"><code>nofollow</code> is extremely important</a> when engaging in activism.</p>
<p>If you are not the sole author of your website or blog it can be very difficult to stay on top of which links are being followed. NoFollowr allows you to easily spot and alter which links receive your love, without spending time going back and forth between your site and the admin area to edit the posts manually.</p>


NoFollowr

I've used this on a (slightly out of date) blog for a long time, and was a bit nervous reading comments about compatibility issues with new version of WP.
However, I'm happy to report it still works flawlessly with WP 4.5.3 - does exactly what it sets out to do, very happy with it.



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