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HTML tags for article

Here we analyze, which types of HTML tags are allowed inside the content field of Article type objects. One should expect that a Note, i.e.

Represents a short written work typically less than a single paragraph in length.

see here, should not contain headings h1-h6 or embedded media, e.g. img.

Sanitizing fields is desired behavior as seen in Section B.10 of ActivityPub.

Examples

Example 1

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/6Hb2w5m4fgk",
  "published": "2025-05-21T10:08:16Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/i68DCEETvrc",
    "published": "2025-05-21T10:08:16Z",
    "content": "<b>bold</b>"
  }
}

Example 2

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/9OdhMXvk55g",
  "published": "2025-05-21T10:08:26Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/UKDT1rDbmSA",
    "published": "2025-05-21T10:08:26Z",
    "content": "<strong>strong</strong>"
  }
}

Example 3

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/e1dd4ZkpMFc",
  "published": "2025-05-21T10:08:37Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/TODTDK4kKSk",
    "published": "2025-05-21T10:08:37Z",
    "content": "<i>italic</i>"
  }
}

Example 4

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/rm5w87B4YFo",
  "published": "2025-05-21T10:08:48Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/wtGBbHMAuVQ",
    "published": "2025-05-21T10:08:48Z",
    "content": "<i>italic with.</i> See <a href=\"https://codeberg.org/helge/funfedidev/issues/142\">Issue 142</a>"
  }
}

Example 5

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/Dlog9m9fQGE",
  "published": "2025-05-21T10:08:59Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/H_UrxPVFJBQ",
    "published": "2025-05-21T10:08:59Z",
    "content": "<em>emphasis</em>"
  }
}

Example 6

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/-zmgv3wT3MA",
  "published": "2025-05-21T10:09:09Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/dsGnERHtw6I",
    "published": "2025-05-21T10:09:09Z",
    "content": "<del>old</del><ins>new</ins>"
  }
}

Example 7

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/h45w8Z-clII",
  "published": "2025-05-21T10:09:20Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/MTlE3Ns5j-Y",
    "published": "2025-05-21T10:09:20Z",
    "content": "<s>stricken</s>"
  }
}

Example 8

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/tMqMQpaX5R8",
  "published": "2025-05-21T10:09:31Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/jyAe3ktGpXM",
    "published": "2025-05-21T10:09:31Z",
    "content": "<mark>mark</mark>"
  }
}

Example 9

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/Kx_dzjCPnK4",
  "published": "2025-05-21T10:09:42Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/ae-DJf8tcHc",
    "published": "2025-05-21T10:09:42Z",
    "content": "find <var>x</var> (a variable)"
  }
}

Example 10

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/CdQFiFNSRis",
  "published": "2025-05-21T10:09:52Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/b0N5z2GYyu8",
    "published": "2025-05-21T10:09:52Z",
    "content": "<ol><li>ordered</li></ol>"
  }
}

Example 11

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/WFX5GCaAdmQ",
  "published": "2025-05-21T10:10:03Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/noJZDf-qPRI",
    "published": "2025-05-21T10:10:03Z",
    "content": "<ul><li>unordered</li></ul>"
  }
}

Example 12

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/EkWsu8z3e3Y",
  "published": "2025-05-21T10:10:14Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/0IfIDhB18qQ",
    "published": "2025-05-21T10:10:14Z",
    "content": "<h1>h1</h1>"
  }
}

Example 13

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/blGtxOcaMtI",
  "published": "2025-05-21T10:10:25Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/dAIH9WLh-9k",
    "published": "2025-05-21T10:10:25Z",
    "content": "<h2>h2</h2>"
  }
}

Example 14

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/aYK-ZXjQAco",
  "published": "2025-05-21T10:10:35Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/07s12jMF0NE",
    "published": "2025-05-21T10:10:35Z",
    "content": "<h3>h3</h3>"
  }
}

Example 15

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/lNO5E1pCXRk",
  "published": "2025-05-21T10:10:46Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/gzHFuU8ijNE",
    "published": "2025-05-21T10:10:46Z",
    "content": "<h4>h4</h4>"
  }
}

Example 16

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/HPYYyjMC2AI",
  "published": "2025-05-21T10:10:57Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/LR9qs_4ZQYI",
    "published": "2025-05-21T10:10:57Z",
    "content": "<h5>h5</h5>"
  }
}

Example 17

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/AVCM15DmN64",
  "published": "2025-05-21T10:11:08Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/lTYb0OnhKmw",
    "published": "2025-05-21T10:11:08Z",
    "content": "<h1>h1</h1><h2>h2</h2>"
  }
}

Example 18

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/h57g5aImAeU",
  "published": "2025-05-21T10:11:18Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/9FJhZaFDJXM",
    "published": "2025-05-21T10:11:18Z",
    "content": "<code>code</code>"
  }
}

Example 19

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/UCtzdwmlkSg",
  "published": "2025-05-21T10:11:29Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/F8oWz0Yu5m4",
    "published": "2025-05-21T10:11:29Z",
    "content": "<pre>pre</pre>"
  }
}

Example 20

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/c27K8rm0Dps",
  "published": "2025-05-21T10:11:40Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/hSlSXFavHzo",
    "published": "2025-05-21T10:11:40Z",
    "content": "<blockquote>blockquote</blockquote>"
  }
}

Example 21

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/sdVjd_I8BTg",
  "published": "2025-05-21T10:11:51Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/i1qtjybXzWA",
    "published": "2025-05-21T10:11:51Z",
    "content": "line<br/>break"
  }
}

Example 22

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/mUmKLSD84EE",
  "published": "2025-05-21T10:12:01Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/7yZcX43j30g",
    "published": "2025-05-21T10:12:01Z",
    "content": "<p>paragraph</p>"
  }
}

Example 23

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/99S5A5aN2F4",
  "published": "2025-05-21T10:12:12Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/tROzy3dK9fc",
    "published": "2025-05-21T10:12:12Z",
    "content": "<small>small</small>"
  }
}

Example 24

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/bJqbLa3wv7Q",
  "published": "2025-05-21T10:12:23Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/I1yI53asT9w",
    "published": "2025-05-21T10:12:23Z",
    "content": "<sup>sup</sup>"
  }
}

Example 25

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/CaS_A71TosM",
  "published": "2025-05-21T10:12:34Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/6xDEEtDASOk",
    "published": "2025-05-21T10:12:34Z",
    "content": "<sub>sub</sub>"
  }
}

Example 26

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/N3v-8byH_Xc",
  "published": "2025-05-21T10:12:44Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/zcXiTHR0XEA",
    "published": "2025-05-21T10:12:44Z",
    "content": "<a href='https://funfedi.dev'>funfedi</a>"
  }
}

Example 27

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/lI5zey0uweQ",
  "published": "2025-05-21T10:12:55Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/oW7Zj2bMvso",
    "published": "2025-05-21T10:12:55Z",
    "content": "<script>alert('hi');</script>"
  }
}

Example 28

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/LqX90QQuu-0",
  "published": "2025-05-21T10:13:06Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/QxY1LbGsCQo",
    "published": "2025-05-21T10:13:06Z",
    "content": "<img src=\"http://pasture-one-actor/assets/nlnet.png\" alt=\"NLNET Logo\" />"
  }
}

Example 29

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/beoRYz7ONqg",
  "published": "2025-05-21T10:13:17Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/Fc94synhqJM",
    "published": "2025-05-21T10:13:17Z",
    "content": "wbr: Fernstra\u00dfen<wbr />bau<wbr />privat<wbr />finanzierungs<wbr />gesetz"
  }
}

Example 30

activity
{
  "@context": [
    "https://www.w3.org/ns/activitystreams",
    {
      "Hashtag": "as:Hashtag",
      "sensitive": "as:sensitive"
    }
  ],
  "type": "Create",
  "actor": "http://pasture-one-actor/actor",
  "to": [
    "http://misskey/users/a81brpe9rktl0003",
    "https://www.w3.org/ns/activitystreams#Public"
  ],
  "id": "http://pasture-one-actor/actor/WBFfghvbp9A",
  "published": "2025-05-21T10:13:27Z",
  "object": {
    "type": "Article",
    "attributedTo": "http://pasture-one-actor/actor",
    "to": [
      "https://www.w3.org/ns/activitystreams#Public",
      "http://misskey/users/a81brpe9rktl0003"
    ],
    "id": "http://pasture-one-actor/actor/u-chPL555lo",
    "published": "2025-05-21T10:13:27Z",
    "content": "Audio <audio controls src=\"http://pasture-one-actor/assets/cow_moo.mp3\"></audio>"
  }
}