Add Random Posts Widget to Blogger

The Random Posts Widget will show random posts you have added to your blog. The main advantages of this widget is that it is loading pretty fast and shows thumbnails of your posts too, along with the comments link.

How to add Random Posts Widget to Blogger

Step 1. Log in to Blogger Dashboard, and select Template > Edit HTML (click on Proceed button if needed)

Step 2. Select "Expand Widget Templates"

Step 3. Find (CTRL + F) the following tag:

]]></b:skin>

Step 4. Just above it, paste the code below :

#random-posts img{float:left;margin-right:10px;border:1px solid #999;background:#FFF;width:36px;height:36px;padding:3px}

Step 5. Save Template.

Step 6. Go to Layout, click on Add a Gadget 

Step 7. Add a new HTML/JavaScript Gadget

Step 8. Paste the following code in the empy HTML box:

<ul id='random-posts'>
<script type='text/javaScript'>
var rdp_numposts=5;
var rdp_snippet_length=150;
var rdp_info='yes';
var rdp_comment='Comments';
var rdp_disable='Comments Disabled';
var rdp_current=[];var rdp_total_posts=0;var rdp_current=new Array(rdp_numposts);function totalposts(json){rdp_total_posts=json.feed.openSearch$totalResults.$t}document.write('<script type=\"text/javascript\" src=\"/feeds/posts/default?alt=json-in-script&max-results=0&callback=totalposts\"><\/script>');function getvalue(){for(var i=0;i<rdp_numposts;i++){var found=false;var rndValue=get_random();for(var j=0;j<rdp_current.length;j++){if(rdp_current[j]==rndValue){found=true;break}};if(found){i--}else{rdp_current[i]=rndValue}}};function get_random(){var ranNum=1+Math.round(Math.random()*(rdp_total_posts-1));return ranNum};
</script>
<script type='text/javaScript'>
function random_posts(json){for(var i=0;i<rdp_numposts;i++){var entry=json.feed.entry[i];var rdp_posttitle=entry.title.$t;if('content'in entry){var rdp_get_snippet=entry.content.$t}else{if('summary'in entry){var rdp_get_snippet=entry.summary.$t}else{var rdp_get_snippet="";}};rdp_get_snippet=rdp_get_snippet.replace(/<[^>]*>/g,"");if(rdp_get_snippet.length<rdp_snippet_length){var rdp_snippet=rdp_get_snippet}else{rdp_get_snippet=rdp_get_snippet.substring(0,rdp_snippet_length);var space=rdp_get_snippet.lastIndexOf(" ");rdp_snippet=rdp_get_snippet.substring(0,space)+"&#133;";};for(var j=0;j<entry.link.length;j++){if('thr$total'in entry){var rdp_commentsNum=entry.thr$total.$t+' '+rdp_comment}else{rdp_commentsNum=rdp_disable};if(entry.link[j].rel=='alternate'){var rdp_posturl=entry.link[j].href;var rdp_postdate=entry.published.$t;if('media$thumbnail'in entry){var rdp_thumb=entry.media$thumbnail.url}else{rdp_thumb="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIzR2YrJEK0iR2i6hSwQrfA4IkWV8I19CECA18Y4wSdTd6RGQCFTLj0ZB5Mi25IWUKC8JSBQRfpd7WE4bao80oWEtzTW_a3EtOpdEN4tMsKlk5iFhWCcYdkI_MLw12KqeN5liUl1CtCZk/s1600/default.jpg"}}};document.write('<li>');document.write('<img alt="'+rdp_posttitle+'" src="'+rdp_thumb+'"/>');document.write('<div><a href="'+rdp_posturl+'" rel="nofollow" title="'+rdp_snippet+'">'+rdp_posttitle+'</a></div>');if(rdp_info=='yes'){document.write('<span>'+rdp_postdate.substring(8,10)+'/'+rdp_postdate.substring(5,7)+'/'+rdp_postdate.substring(0,4)+' - '+rdp_commentsNum)+'</span>'}document.write('<div style="clear:both"></div></li>')}};getvalue();for(var i=0;i<rdp_numposts;i++){document.write('<script type=\"text/javascript\" src=\"/feeds/posts/default?alt=json-in-script&start-index='+rdp_current[i]+'&max-results=1&callback=random_posts\"><\/script>')};
</script>
</ul>

Note: Replace no. 5 with the number of posts you want to be show.

Step 9. Press Save and Enjoy!