Last week, I noticed how my Wordpress.com Stats plugin stopped recording stats for my blog.  It didn’t lose any data from the past — it simply stopped tracking new visitors and traffic.  So my stats looked something like this:

After a bit of poking around, I found a thread in the Wordpress forum that had a fix to the problem.  I’m not sure why my footer was missing the following line, but here’s the fix:

In footer.php, make sure you have this line:

<?php wp_footer(); ?>

Before these lines:

</body>
</html>

Hope this helps!