The easiest way to create related posts for Blogspot

Showing related post at the bottom of each post will help your reader find more information related to the topic . It's also helpful in SEO and indexed in search engine .
In Wordpress ,there are many way to create related posts list and its accuracy is high ,but in blogspot , related post function is based on label of post so in some case ,I think the result is not as you want . But it can be acceptable.

To create related post in blogspot ,follow these steps below

1. Login to Blogger
 
2. Go to "Layout-->Edit HTML"
 
3. Click on "Expand Widgets Template" checkbox.
 
4.Paste this code after ]]></b:skin> :

<script type='text/javascript'>
//<![CDATA[
var relatedTitles = new Array();
var relatedTitlesNum = 0;
var relatedUrls = new Array();
function related_results_labels(json) {
for (var i = 0; i < json.feed.entry.length; i++) {
var entry = json.feed.entry[i];
relatedTitles[relatedTitlesNum] = entry.title.$t;
for (var k = 0; k < entry.link.length; k++) {
if (entry.link[k].rel == 'alternate') {
relatedUrls[relatedTitlesNum] = entry.link[k].href;
relatedTitlesNum++;
break;
}
}
}
}
function removeRelatedDuplicates() {
var tmp = new Array(0);
var tmp2 = new Array(0);
for(var i = 0; i < relatedUrls.length; i++) {
if(!contains(tmp, relatedUrls[i])) {
tmp.length += 1;
tmp[tmp.length - 1] = relatedUrls[i];
tmp2.length += 1;
tmp2[tmp2.length - 1] = relatedTitles[i];
}
}
relatedTitles = tmp2;
relatedUrls = tmp;
}
function contains(a, e) {
for(var j = 0; j < a.length; j++) if (a[j]==e) return true;
return false;
}
function printRelatedLabels() {
var r = Math.floor((relatedTitles.length - 1) * Math.random());
var i = 0;

while (i < relatedTitles.length && i < 20) {
document.write('<li><a href="' + relatedUrls[r] + '">' + relatedTitles[r] + '</a></li>');
if (r < relatedTitles.length - 1) {
r++;
} else {
r = 0;
}
i++;
}

}
//]]>
</script>

4. Paste the script after this code : <data:post.body/>. If you have "Read more widget" you will find two codes. Put it under the first code.
<b:if cond='data:blog.pageType == &quot;item&quot;'>
<p>Related Posts : </p>
<ol>
<b:loop values='data:post.labels' var='label'>
<b:if cond='data:blog.pageType == &quot;item&quot;'>
<script expr:src='&quot;/feeds/posts/default/-/&quot; + data:label.name + &quot;?alt=json-in-script&amp;callback=related_results_labels&amp;max-results=5&quot;' type='text/javascript'/> </b:if></b:loop>
<script type='text/javascript'> removeRelatedDuplicates(); printRelatedLabels(); </script>
</ol>
</b:if>
7. Save your template.

We are done ! Check your blog for result .