I can't thank you enough. This makes perfect sense and when adding the "s" to the code, it populated in the live view. Extremely grateful to you for your time and expertise!
The iFrame is being blocked because your website is secure (served using a url that begins https) but the iframe is insecure, in that the url begins with http (without the s). Using HTTPS for your website is an important step in protecting your site and your users from attack. If you were able to add other content that did not use HTTPS it would render that protection useless.
You can solve it by changing the iFrame embed to include an 's' : https://markdelgado.idxhome.com/openhomes/137534
Let me know how you get on.
creativember got a reaction from paul2009 in iframe not loading when live
