Source code
Revision control
Copy as Markdown
Other Tools
<!DOCTYPE HTML>
<html>
<head>
<meta charset="UTF-8" />
<title>MetaTags</title>
<meta property="twitter:description" content="twitter:description" />
<meta property="og:description" content="og:description" />
<meta name="description" content="description" />
<meta name="unknown:tag" content="unknown:tag" />
</head>
<body>
<script>
function addMeta(tag) {
const meta = document.createElement("meta");
meta.setAttribute("property", tag);
document.head.appendChild(meta);
}
// Delay adding this "best" image tag to test that later tags are used.
// Use a delay that is long enough for tests to check for wrong metadata.
setTimeout(() => addMeta("og:image:secure_url"), 100);
</script>
</body>
</html>