Oddthinking

If your blog is over a year or two old, you may have noticed the list of archive pages is getting unwieldy.
This plugin is a widget that compresses the size of the arcgives list to two lines per year (three if the lines are narrow) rather than one line per per month.
<h3>More information</h3>
This widget is licensed under <a href="http://www.gnu.org/licenses/gpl-3.0.html" rel="nofollow ugc">GPLv3</a>.
Grateful thanks to <a href="http://tech.windsofstorm.net" rel="nofollow ugc">Alan Morgan</a> whose widget_archives2 I used as a template.
Potential developers should check out the <a href="http://www.somethinkodd.com/oddthinking/2007/03/29/more-theme-changes-2/" rel="nofollow ugc">development history</a>.
Finally, an obligatory plug for my blog, <a href="http://somethinkodd.com/oddthinking" rel="nofollow ugc">OddThinking</a>.

Compact Monthly Archive

Show a monthly archive list in a compact format - one letter per month.

jonkemp

texttheater

Improves your blog’s search engine optimization by “noindexing” pages you choose.
Add the <code>noindex</code> robots meta tag to archives, categories, search pages, tags, author pages, login, admin pages or any other page you choose.
Add the <code>rel="nofollow"</code> attribute to individual pages listed by the <code>wp_list_pages</code> function or the Pages widget. Also, add the <code>rel="nofollow"</code> attribute to archive links, category links, registration and login links.
Written by Jon Kemp, currently maintained by Kilian Evang.
<h3>Usage</h3>
After installation, the settings page for this plugin can be found in your WordPress administration interface under Settings → Ultimate noindex.

Ultimate Noindex Nofollow Tool II

Improves your blog's search engine optimization by "noindexing" pages you choose. Now also for page-based (as opposed to date-based) archives.

Compact Monthly Archive vs Ultimate Noindex Nofollow Tool II