marckula

This plugin registers Haiku Deck ( haikudeck.com ) as an oEmbed content provider and adds it to the whitelist, allowing all users to use this provider.
Here’s more information about embeds for WordPress 
https://codex.wordpress.org/Embeds

Haiku Deck for WordPress

Register Haiku Deck as an oEmbed content provider

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 …

Haiku Deck for WordPress vs OnHover Link Preview