Peter KraussPeter Krauss 13.9k2727 gold badges182182 silver badges329329 bronze badges 2 One more very good illustration of popularity may very well be just opening some well-known sites with inspector and checking what format they use. If you utilize a CMS (for example, WordPress) and you do not have use of https://bookmarksystem.com/story18480000/5-simple-techniques-for-json-schema-ref