3 ms·How do I know when to use microdata, microformats, or RDFa?by theschwa 16y agoHow do I know when to use microdata, microformats, or RDFa?est 16y agoWhen you really want to crawlers or robots to understand your data structurally without parsing & guessing HTML too hard.theschwa 16y agoI meant how do I know which one of those formats to choose.