Carto is “maps for the web, made easy”. It’s a great tool to create and beautifully share interactive maps. You can easily share Carto maps by embedding them to your WordPress.com site
You can sign up for Carto and start making maps here: http://carto.com/.
That’s it! The map will preview live in the Visual Editor so you can see what it looks like without having to click Preview Changes.
The final result will look something like this:
For information about troubleshooting Carto embeds, take a look at our Troubleshooting Embed Links doc.