`EmbedGHLiveSample` macro is not offlined. These repos need to be bundled: - https://github.com/mdn/web-tech-games - https://github.com/mdn/learning-area - https://github.com/mdn/css-example - https://github.com/mdn/imsc - https://github.com/mdn/canvas-raycaster - https://github.com/mdn/dom-examples - https://github.com/mdn/webgl-examples - https://github.com/mdn/html-examples
