This plugin will list posts spammers find the most attractive.
It will help you identify on which forgotten post you should close comments, and also define potentially spam attractive keywords in your titles (eg. “comments”, “feedback”, “guestbook”…)
Read more: <a href="http://planetozh.com/blog/2010/09/spam-magnet-blog-posts/" title="Spam Magnet Blog Posts" rel="nofollow ugc">Plugin’s page</a>

Ozh' Spam Magnet Checker

Identify posts spammers find the most attractive.

wpklangoo

Using Magnet you can increase visitors’ engagement, improve your website’s SEO, and understand which topics/names/categories of posts your visitors are mostly interested in reading about.
You can specify the location or section you would want each of Magnet’s features included on based on your website’s theme.
The features that Magnet provides are: 
1) Summary 
2) Related Articles 
3) Entities (list or in-text links) 
4) Entity Related Articles Page 
5) Follow Story 
6) Follow Entity 
7) Personalized Newsletter 
8) Recommendations 
9) Meta-Tags & Description 
10) Smart Analytics
along with a Client Dashboard (http://connect.klangoo.com).
Magnet supports 53 languages as listed at: www.klangoo.com/SupportedLanguages.pdf.
For further information about the Magnet Audience Engagement Solution please visit http://www.klangoo.com.

Magnet

This plugin allows you to integrate the Magnet Audience Engagement Solution very easily on any WordPress powered website.

Ozh' Spam Magnet Checker vs Magnet