Total Post And Comments Counter Widget

Total Comments : 3099
Total Posts : 1233

1) Layout

2) Add a Gadget

3) HTML/Javascript

4) Add the below codes

<script style="text/javascript">
function showpostcount(json) {
document.write('Total Posts : <b>' + parseInt(json.feed.openSearch$totalResults.$t,10) + '</b><br>');}</script>
<script src="http://yourblog.blogspot.com/feeds/posts/default?alt=json-in-script&callback=showpostcount"></script>

<script style="text/javascript"></script>
<script style="text/javascript">
function numberOfComments(json) {
document.write('Total Comments : <b>' + json.feed.openSearch$totalResults.$t + '</b><br>');}</script>
<script src="http://yourblog.blogspot.com/feeds/comments/default?alt=json-in-script&callback=numberOfComments"></script>

5) Replace red code with your blog name