1.0Litmushttps://www.litmus.comLitmushttps://www.litmus.comUnderstanding Retina Images in HTML Emailrich600338<blockquote class="wp-embedded-content" data-secret="FxvLBAgMZI"><a href="https://www.litmus.com/blog/understanding-retina-images-in-html-email">Understanding Retina Images in HTML Email</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.litmus.com/blog/understanding-retina-images-in-html-email/embed#?secret=FxvLBAgMZI" width="600" height="338" title="“Understanding Retina Images in HTML Email” — Litmus" data-secret="FxvLBAgMZI" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
/*! This file is auto-generated */
!function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document);
//# sourceURL=https://www.litmus.com/wp-includes/js/wp-embed.min.js
</script>
https://www.litmus.com/wp-content/uploads/2020/04/featured-the-ultimate-guide-to-using-retina-images-in-emai.png1380724As high DPI displays become more common the need for retina images increases. Learn how to use retina images in email campaigns. How to use retina images in email for screens with Retina displays (also known as high-DPI display).