INN Labs

Pym.js Embeds provides shortcode and Gutenberg block wrappers for embedding responsive iframes using <a href="http://blog.apps.npr.org/pym.js/" rel="nofollow ugc">Pym.js</a>, developed by the NPR Visuals Team. Embedded content resizes vertically to match its container’s width.
AMP compatibility is provided by the <a href="https://wordpress.org/plugins/amp/" rel="ugc">official AMP plugin</a>.
<h3>Pym.js Resources from NPR</h3>
You may also want to look at NPR’s Pym.js resources:
<ul>
<li><a href="http://blog.apps.npr.org/pym.js/" rel="nofollow ugc">Pym.js homepage</a></li>
<li><a href="https://github.com/nprapps/pym.js/" rel="nofollow ugc">Pym.js repo on GutHub/nprapps</a></li>
</ul>

Pym.js Embeds

A WordPress block and shortcode for embedding iframes that are responsive horizontally and vertically, using the NPR Visuals Team's Pym.js.

Rajin Sharwar

OnHover Link Preview plugin automatically adds link preview pop-ups so visitors can see the preview of the hyperlink without leaving your website, and just hovering over the link.
Whether users are reading your blog or webpage, they can get a preview of the linked content and get a peak of the preview of the webpage refered.
<ul>
<li>Link auto-previews popups work on all types of hyperlinks, under the “entry-content” div class.</li>
<li>Excludes the header, footer, nav-menu links etc.</li>
<li>Excludes any Images with a link ( tag).</li>
<li>No code easy one-click installation.</li>
<li>Easily specify which Elements, Classes, or IDs of the website to exclude from showing auto-previews.</li>
</ul>
This plugin uses “mShots” as a third party service to get the previews. mshots is a Website Thumbnail/Snapshot Service from Automattic licenced GPL-2.0. No data of your’s or your website, is being sent or shared with mShots. You can find it’s licence and policy details from the below URL: 
https://github.com/Automattic/mShots/blob/master/LICENSE

OnHover Link Preview

OnHover Link Preview plugin automatically adds link preview pop-ups so visitors can see the preview of the hyperlink without leaving your website, and …

Pym.js Embeds vs OnHover Link Preview