René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Some Demo are not allowed to be displayed in iframes","articleBody":"Hi there,\r\n\r\na new theme was added recently, [Juma](https://jamstackthemes.dev/theme/gatsby-juma/).\r\n\r\nUnfortunately, the live demo of Juma can't be displayed on some browsers:\r\n\r\n### Firefox Dev edition:\r\n\r\n![Capture d’écran de 2021-12-28 02-59-55](https://user-images.githubusercontent.com/69427615/147519454-7dfa4799-955a-4877-b612-e1fcb3a936d1.png)\r\n\r\nThe \"Learn more\" link points to [this doc about X-Frame](https://support.mozilla.org/en-US/kb/xframe-neterror-page)\r\n\r\n### Chromium:\r\n\r\n![Capture d’écran de 2021-12-28 02-59-27](https://user-images.githubusercontent.com/69427615/147519429-56b31732-4ea4-45b3-a2cf-5cc290850ae4.png)\r\n\r\n\r\n### Technical details:\r\n\r\n- Firefox 96.0b9 (64-bit) on Debian 10\r\n- Chromium Version 90.0.4430.212 (Developer Build) built on Debian 10.9, running on Debian 10.10 (64-bit)","author":{"url":"https://github.com/iaeiou","@type":"Person","name":"iaeiou"},"datePublished":"2021-12-28T02:05:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/282/jamstackthemes/issues/282"}