aposai

Display your archives in collapsible mode using ajax and jQuery.
Each subnode is loaded via ajax as per user request, so not whole archive is loaded each time your archives page is displayed. If you have performance problems or server issues with other archive plugins, try this one and enjoy.
It also displays the post count for each year and for each month and the comment count for each post. And uses your current wordpress date_format to format the dates.

Ajax Archives

Display your archives in collapsible mode using ajax and jQuery.

Thomas Schmall

Tag clouds and Archives are useful for visitors, but also for search engines to find and index what topics your blog relates to. “Post Tags and Archives” makes it easy to add Tag Clouds or Archives to posts and pages via shortcodes. 
Before, you could only put it in the sidebar or widgets. That could hurt the search ranking for relevant terms and crowds the sidebar. So one either had to truncate the cloud and archive – or get rid of them (or use some more complicated trickery). 
Now you can just drop them in your posts and change the look easily via the options.
<h3>Options</h3>
Should be self-explanatory.
The advanced features: Please be careful with the HTML parts. 
The archive-format setting “options for dropdown-menu” is for people who want to setup forms. You have to add a proper form yourself – with select/post and all. Then this feature will add all archives (in the type you chose) as 
<h3>TODO</h3>
<ul>
<li>add products tag support 
Probably like this: 
$args = array( 
 ‘number’ => 15, 
 ‘taxonomy’ => ‘product_tag’ 
); 
return $args;Theoretically functional: from WP 1.5 (most features from: 2.5. “separator”-option from 2.9, “Tags-Order” for tags feature only from 3.5)</li>
</ul>

Post Tags and Archives

Display the Tag Cloud or the Archive directly in posts and pages, and change their look in the options.

Ajax Archives vs Post Tags and Archives