ActivityPub Viewer

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.

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{ "@context": [ "https://www.w3.org/ns/activitystreams", { "ostatus": "http://ostatus.org#", "atomUri": "ostatus:atomUri", "inReplyToAtomUri": "ostatus:inReplyToAtomUri", "conversation": "ostatus:conversation", "sensitive": "as:sensitive", "toot": "http://joinmastodon.org/ns#", "votersCount": "toot:votersCount", "blurhash": "toot:blurhash", "focalPoint": { "@container": "@list", "@id": "toot:focalPoint" }, "Hashtag": "as:Hashtag" } ], "id": "https://martianbase.net/users/mackuba/statuses/114479842089479550", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-05-09T20:49:22Z", "url": "https://martianbase.net/@mackuba/114479842089479550", "attributedTo": "https://martianbase.net/users/mackuba", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://martianbase.net/users/mackuba/followers" ], "sensitive": false, "atomUri": "https://martianbase.net/users/mackuba/statuses/114479842089479550", "inReplyToAtomUri": null, "conversation": "tag:martianbase.net,2025-05-09:objectId=151433:objectType=Conversation", "content": "<p>A little update on <a href=\"https://journal.mackuba.eu/2025/03/18/speeding-up-the-firehose/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journal.mackuba.eu/2025/03/18/</span><span class=\"invisible\">speeding-up-the-firehose/</span></a>: I&#39;ve set up a local Jetstream and tested also the async-websocket lib:</p><p>- the Faye fix helps *a lot*<br />- Jetstream has an absolutely insane max ceiling<br />- Async is a bit faster…<br />- …but in binary firehose is capped at 6k somehow? 🤨 <a href=\"https://martianbase.net/tags/atdev\" class=\"mention hashtag\" rel=\"tag\">#<span>atdev</span></a> <a href=\"https://martianbase.net/tags/rubylang\" class=\"mention hashtag\" rel=\"tag\">#<span>rubylang</span></a></p>", "contentMap": { "en": "<p>A little update on <a href=\"https://journal.mackuba.eu/2025/03/18/speeding-up-the-firehose/\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">journal.mackuba.eu/2025/03/18/</span><span class=\"invisible\">speeding-up-the-firehose/</span></a>: I&#39;ve set up a local Jetstream and tested also the async-websocket lib:</p><p>- the Faye fix helps *a lot*<br />- Jetstream has an absolutely insane max ceiling<br />- Async is a bit faster…<br />- …but in binary firehose is capped at 6k somehow? 🤨 <a href=\"https://martianbase.net/tags/atdev\" class=\"mention hashtag\" rel=\"tag\">#<span>atdev</span></a> <a href=\"https://martianbase.net/tags/rubylang\" class=\"mention hashtag\" rel=\"tag\">#<span>rubylang</span></a></p>" }, "attachment": [ { "type": "Document", "mediaType": "image/jpeg", "url": "https://martianbase.net/system/media_attachments/files/114/479/842/071/996/832/original/0c23e088628a870a.jpeg", "name": "Faye/EM Firehose (current):\nWith data processing: 3200-3350\nWith processing +Rust lib for regex matching: 3300-3450\nJust reading: 6800-6900\n\nFaye/EM Firehose (+ fix):\nWith data processing:\t5300-5600\nWith processing +Rust lib: 6300-6800\nJust reading: 33000-34500\n\nAsync Firehose:\nWith data processing: 5700-5900\nWith processing +Rust lib: 5700-5900 (??)\nJust reading: 5800-5950 (??)\n\n\nFaye/EM Jetstream:\nWith data processing: 9400-9600\nWith processing +Rust lib: 11000-12000\nJust reading: 180000-200000\n\nAsync Jetstream:\nWith data processing: 10000-11000\nWith processing +Rust lib: 12000-15000\nJust reading: 250000-280000", "blurhash": "U3SY{q9F?bM{?bIUj[xu~qM{M{%MxuM{Rjt7", "width": 1554, "height": 710 } ], "tag": [ { "type": "Hashtag", "href": "https://martianbase.net/tags/atdev", "name": "#atdev" }, { "type": "Hashtag", "href": "https://martianbase.net/tags/rubylang", "name": "#rubylang" } ], "replies": { "id": "https://martianbase.net/users/mackuba/statuses/114479842089479550/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://martianbase.net/users/mackuba/statuses/114479842089479550/replies?only_other_accounts=true&page=true", "partOf": "https://martianbase.net/users/mackuba/statuses/114479842089479550/replies", "items": [] } } }