DNS prfetch
For DNS prfetch Let's see below instruction_
Go To Blogger Dashboard and click on Edit HTML then Follow below instruction and paste the codes accordingly:
Copy paste below code below <head> tag_
<link href='//fonts.gstatic.com' rel='dns-prefetch'/>
<link href='//1.bp.blogspot.com' rel='dns-prefetch'/>
<link href='//2.bp.blogspot.com' rel='dns-prefetch'/>
<link href='//3.bp.blogspot.com' rel='dns-prefetch'/>
<link href='//4.bp.blogspot.com' rel='dns-prefetch'/>
<link href='//www.blogger.com' rel='dns-prefetch'/>
<link href='//dnjs.cloudflare.com' rel='dns-prefetch'/>
<link href='//pagead2.googlesyndication.com' rel='dns-prefetch'/>
<link href='//www.googletagmanager.com' rel='dns-prefetch'/>
<link href='//www.google-analytics.com' rel='dns-prefetch'/>
<link href='//connect.facebook.net' rel='dns-prefetch'/>
<link href='//c.disquscdn.com' rel='dns-prefetch'/>
<link href='//disqus.com' rel='dns-prefetch'/>
<link href='//www.w3.org' rel='dns-prefetch'/>
<link href='//www.youtube.com' rel='dns-prefetch'/>
<link href='//feeds.feedburner.com' rel='dns-prefetch'/>
Now save the changes and you will get the best result onward.