Note - many web sites will restrict their web pages been displayed from an external web server - for more check out X-Frame-Options reference below
Reference: https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/X-Frame-Options
<html> <head> <title>iFrame Example</Title> <body> <p>iframe below: <p> <iframe src="http://example.org" title="example.org" width="400" height="400"></iframe> </body> </html>