Cara membuat related post berdasarkan label

tanpa basa basi lagi sobat sekalian saya kan jabarkan langkah-langkah mebuat related Post yang ringan ikut step berikut:

1. Login Ke blogger
2. ke menu template lalu backup Theme nya
3. Lalu Klik Edit HTML
4. Lalu arahkan kursor ke script yang ada, lalu pencet Ctrl+F di keyboard dan ketik atau Cari kode </head>
, lalu paste script dibawah ini tepat diatas


5. 
   <!-- Script Related Post Ringan--> <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; document.write('<ul>'); 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++;} document.write('</ul> ');} //]]> </script> <!-- Script Related Post Ringan-->
6. jika sudah, berikut kita cari
   <data:post.body/>
7. lalu paste kode berikut tepat dibawahnya
   <b:if cond='data:post.labels'> <!-- Related Post -- > <b:if cond='data:post.labels'> <b:loop values='data:post.labels' var='label'> <b:if cond='data:blog.pageType == "item"'> <script expr:src='"/feeds/posts/default/-/" + data:label.name + "?alt=json-in-script&callback=related_results_labels&max-results=5"' type='text/javascript'/> </b:if> </b:loop> </b:if> <b:if cond='data:blog.pageType == "item"'> <h5> Related Post</h5> <script type='text/javascript'> removeRelatedDuplicates(); printRelatedLabels(); </script> </b:if> <!-- Related Post -- >
8. lalu klik save selesai deh