HTTPS will be displayed in the address bar of his browser that will let her know that the online retailer is using the Secure Sockets Layer (SSL) protocol.
Step-by-step explanation:
Whenever there is online purchase the website address shows HTTP’s rather showing HTTP.
Http is normally website where end using or viewing the web pages where no online transaction or payment method is handled.
Moreover if any website shows HTTP means it is no secured web site. Basically that particular website is static pages or information is displayed in the browser.
HTTPS means their normally login and online payments is used by SSL protocols. Today computer world most of web site is HTTPS. Layla has to make sure that browsing webpages is HTTPS.