Check if a website has HTTPS

Uses:

const httpschecker = require('https-checker');

httpschecker.isHTTPSUrl('https://somesite.com'); // => true
httpschecker.isHTTPSUrl('http://someothersite.com'); // => false

httpschecker.supportsHTTPS('somesite.com', (support) => console.log(support)); // => true or false

To check a simple page for mixed content you can use httpschecker.

Or for futher info on checking HTTPS support & for full site mixed content checks, see: HTTPS Checker.