A small tool to view real-world ActivityPub objects as JSON! Enter a URL
or username from Mastodon or a similar service below, and we'll send a
request with
the right
Accept
header
to the server to view the underlying object.
{
"@context": [
"https://join-lemmy.org/context.json",
"https://www.w3.org/ns/activitystreams"
],
"type": "Page",
"id": "https://programming.dev/post/29139521",
"attributedTo": "https://programming.dev/u/jnovinger",
"to": [
"https://programming.dev/c/python",
"https://www.w3.org/ns/activitystreams#Public"
],
"name": "Python Performance: Why 'if not list' is 2x Faster Than Using len()",
"cc": [],
"mediaType": "text/html",
"attachment": [
{
"href": "https://blog.codingconfessions.com/p/python-performance-why-if-not-list",
"mediaType": "text/html; charset=utf-8",
"type": "Link"
}
],
"image": {
"type": "Image",
"url": "https://programming.dev/pictrs/image/f9e29aaa-9450-43b2-a637-4ec0950b874c.jpeg"
},
"sensitive": false,
"published": "2025-04-24T01:15:10.148890Z",
"audience": "https://programming.dev/c/python",
"tag": [
{
"href": "https://programming.dev/post/29139521",
"name": "#python",
"type": "Hashtag"
}
]
}