devu

This plugin / widget substitutes the default “Links” widget. If you are a SEO specialist, you already know how much important is the rel=”nofollow” attribute in outgoing links. If you are not: links passes part of the PageRank the page has gained to their destinations. Do not let the blogroll section wasting it by donating your pagerank to external sites.
Once installed, under “Settings” -> “SEO Blogroll” you can create how many link boxes you like, each with its own title. Every link box can contain how many links you like. For each link, you can decide if it should have the nofollow attribute or not.
Once your links are ready disable the traditional “Links” widget in “Appearace” -> “Widgets” and activate the new SEO Blogroll.
If your theme supports widgets, you don’t need to change a single line of code, just install the plugin and start using it!
Please report any bug (or enhancements requests) on the plugin main page: <a href="http://www.francesco-castaldo.com/plugins-and-widgets/seo-blogroll/" title="Seo Blogroll" rel="nofollow ugc">Seo Blogroll</a>.
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More information: http://www.francesco-castaldo.com/plugins-and-widgets/seo-blogroll/

SEO Blogroll

Lets you decide which blogroll links have the nofollow attribute. Don't waste link juice!

Nicolas TRIMARDEAU

English
<h3>Cloacking</h3>
This SEO plugin allow you to show or hide content from Googlebot or SEO Crawlers 
The plugin generate new shortcodes :
[google_bot_hide][/google_bot_hide] : Allow you to hide content from Googlebot (Alias [seo_cloaker]) 
[google_bot_show][/google_bot_show] : Allow you to show content only to Googlebot
The plugin use the reverse DNS method to detect the GoogleBot, if the host match “google.com” or “googlebot.com”, the content is hidden.
[seo_crawler_hide][/seo_crawler_hide] : Allow you to hide content from SEO Crawlers (Majestic, SEMRush…) 
[seo_crawler_show][/seo_crawler_show] : Allow you to show content only to SEO Crawlers
The plugin use the User Agent method to detect the common SEO Crawlers
French
<h3>Cloacking</h3>
Ce plugin permet d’afficher ou de cacher un contenu à Googlebot. 
Le plugin génère plusieurs shortcodes
[google_bot_hide][/google_bot_hide] : Permet de cacher une partie du contenu aux Googlebot (Alias [seo_cloaker]) 
[google_bot_show][/google_bot_show] : Permet d’afficher du contenu uniquement pour Googlebot
Le plugin utilise un système de DNS inversées afin de vérifier s’il s’agit d’un GoogleBot. Le contenu sera caché si le nom d’hôte comporte “google.com” ou “googlebot.com”.
[seo_crawler_hide][/seo_crawler_hide] : Permet de cacher une partie du contenu aux Crawlers SEO (Majestic, SEMRush…) 
[seo_crawler_show][/seo_crawler_show] : Permet d’afficher du contenu uniquement aux Crawlers SEO
Le plugin utilise la méthode de l’User Agent pour détecter les Crawlers SEO classiques

WordPress SEO Content Cloaker

Generate new shortcodes that use RDNS to obfuscate content for GoogleBot and the User Agent Method to obfuscate content for SEO Crawlers

SEO Blogroll vs WordPress SEO Content Cloaker