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", "Hashtag": "as:Hashtag" } ], "id": "https://mastodon.ie/users/dneary/statuses/114354854994643646", "type": "Note", "summary": null, "inReplyTo": null, "published": "2025-04-17T19:03:30Z", "url": "https://mastodon.ie/@dneary/114354854994643646", "attributedTo": "https://mastodon.ie/users/dneary", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [ "https://mastodon.ie/users/dneary/followers" ], "sensitive": false, "atomUri": "https://mastodon.ie/users/dneary/statuses/114354854994643646", "inReplyToAtomUri": null, "conversation": "tag:mastodon.ie,2025-04-17:objectId=180019500:objectType=Conversation", "content": "<p>I&#39;m writing an article on what kernel page size is, why you might want to use larger page sizes for certain applications, and how to do it. I&#39;m interested in any feedback that <a href=\"https://mastodon.ie/tags/Arm64\" class=\"mention hashtag\" rel=\"tag\">#<span>Arm64</span></a> users might have, or any experiences you can share: <a href=\"https://community.amperecomputing.com/t/64k-memory-page-sizes-any-experiences-to-share/2730\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">community.amperecomputing.com/</span><span class=\"invisible\">t/64k-memory-page-sizes-any-experiences-to-share/2730</span></a></p>", "contentMap": { "en": "<p>I&#39;m writing an article on what kernel page size is, why you might want to use larger page sizes for certain applications, and how to do it. I&#39;m interested in any feedback that <a href=\"https://mastodon.ie/tags/Arm64\" class=\"mention hashtag\" rel=\"tag\">#<span>Arm64</span></a> users might have, or any experiences you can share: <a href=\"https://community.amperecomputing.com/t/64k-memory-page-sizes-any-experiences-to-share/2730\" target=\"_blank\" rel=\"nofollow noopener noreferrer\" translate=\"no\"><span class=\"invisible\">https://</span><span class=\"ellipsis\">community.amperecomputing.com/</span><span class=\"invisible\">t/64k-memory-page-sizes-any-experiences-to-share/2730</span></a></p>" }, "attachment": [], "tag": [ { "type": "Hashtag", "href": "https://mastodon.ie/tags/arm64", "name": "#arm64" } ], "replies": { "id": "https://mastodon.ie/users/dneary/statuses/114354854994643646/replies", "type": "Collection", "first": { "type": "CollectionPage", "next": "https://mastodon.ie/users/dneary/statuses/114354854994643646/replies?only_other_accounts=true&page=true", "partOf": "https://mastodon.ie/users/dneary/statuses/114354854994643646/replies", "items": [] } }, "likes": { "id": "https://mastodon.ie/users/dneary/statuses/114354854994643646/likes", "type": "Collection", "totalItems": 6 }, "shares": { "id": "https://mastodon.ie/users/dneary/statuses/114354854994643646/shares", "type": "Collection", "totalItems": 5 } }