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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{
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"inReplyToAtomUri": "ostatus:inReplyToAtomUri",
"conversation": "ostatus:conversation",
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"toot": "http://joinmastodon.org/ns#",
"votersCount": "toot:votersCount",
"blurhash": "toot:blurhash",
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"id": "https://martianbase.net/users/mackuba/statuses/114479842089479550",
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"published": "2025-05-09T20:49:22Z",
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"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'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>",
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"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'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>"
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"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",
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