One of W3Techs web technology surveys. https://w3techs.com/ 2002-05-06T00:00:00Z 2026 Q-Success <p>This is the April 2026 issue of the monthly W3Techs overview of the most frequently used structured data formats.</p><p>You can find the complete and most up-to-date survey at <a href="https://w3techs.com/technologies/overview/structured_data">W3Techs.com</a>.</p><table cellspacing="1" cellpadding="4" border="1" style="border-collapse:collapse" bgcolor="#f0f0f0" align="center"><tr><th>Rank</th><th>Structured Data</th><th>Usage</th><th>Change</th></tr><tr><td>1.</td><td>Open Graph</td><td>70.3%</td><td>+0.2%</td></tr><tr><td>2.</td><td>Twitter/X Cards</td><td>56.0%</td><td>+0.3%</td></tr><tr><td>3.</td><td>JSON-LD</td><td>53.2%</td><td>+0.3%</td></tr><tr><td>4.</td><td>Generic RDFa</td><td>39.1%</td><td></td></tr><tr><td>5.</td><td>Microdata</td><td>22.7%</td><td>-0.1%</td></tr><tr><td>6.</td><td>Dublin Core</td><td>0.8%</td><td></td></tr><tr><td>7.</td><td>Microformats</td><td>0.5%</td><td></td></tr><tr><td colspan=99>Copyright &copy; April 2026 W3Techs.com</td></tr></table> https://w3techs.com/technologies/overview/structured_data Structured Data Formats April 2026 2026-04-01T00:00:00Z W3Techs.com