HTTPS certs are 'SSL certs'. HTTPS is the correct name for web based encryption, and 'EV HTTPS' is the correct name for web based encryption with verification of the recipient.
The term 'SSL certificate' is outdated. SSL is an old version of the network protocol that's no longer used by secure websites: the most recent version of SSL was version 3, which is now so old it produces security warnings in web browsers.
All browsers - Chrome, Safari, Firefox and Edge and Internet Explorer followed through on that promise shortly afterwards - you can actually visit a real SSLv3 site and you'll recieve an error message in your browser like:
Here's what the most recent version of SSL looks like in Firefox:
Here's what the most recent version of SSL looks like in Safari:
Here's what the most recent version of SSL looks like in Edge:
The current version of the network protocol that used to be called SSL is now called 'TLS', but like our friends at Google, we refer to it as HTTPS when talking about the web.
CertSimple wants to make meaningful encryption ubiquitous: people should know where they're sending their data. Part of that is using understandable terminology: 'HTTPS', as in
https://example.com, appears in the browser's UI and is the best way to talk about certificates on the web!