Here's a useful script that I use to redirect from an old post to it's new Landing page.
See JavaScript Code below. You can customize the link, text and number of you want. See underlined text on the script code below -
<script>
setTimeout(function(){ window.location.href = 'https://jerrybustillo.blogspot.com';
}, 5000);
</script>
<center><span style="font-size: xx-large;">Blog has moved to www.jerrybustillo.blogspot.com.
<br />
You will be redirected after 5 seconds.</span></center>
I'll be updating the sample here. So stay tuned for an update.
Alright so here's the -