Here is another blog that tested it and concludes it works fine on Google: http://www.centrical.com/test/google-json-ld-and-javascript-crawling-and-indexing-tes

Here is another blog that tested it and concludes it works fine on Google: http://www.centrical.com/test/google-json-ld-and-javascript-crawling-and-indexing-test.html http://www.centrical.com/test/google-json-ld-and-javascript-... I don't think Bing and Yandex are supporting this yet though.