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", "type": "Note", "id": "https://snac2.popolon.org/Popolon/p/1748867272.679419", "published": "2025-06-02T12:27:52Z", "attributedTo": "https://snac2.popolon.org/Popolon", "summary": "", "content": "I use a Linux <a href=\"https://snac2.popolon.org?t=arm64\" class=\"mention hashtag\" rel=\"tag\">#ARM64</a> computer as main computer since several month now (I had done this several years ago on a <a href=\"https://snac2.popolon.org?t=notebook\" class=\"mention hashtag\" rel=\"tag\">#notebook</a>, until it break and reused an older computer since), still waiting for a functional <a href=\"https://snac2.popolon.org?t=riscv\" class=\"mention hashtag\" rel=\"tag\">#RISCV</a> platform (this is still a work in progress with mainline Linux). I was surprised to see Firefox having Linux-x86_64 as <a href=\"https://snac2.popolon.org?t=useragent\" class=\"mention hashtag\" rel=\"tag\">#UserAgent</a>. After a bug report, it's a deliberated choice for keeping compatibility on some broken websites and to not leak to much fingerprint. Fennec mobile has just \"Android 13; Mobile\" as User Agent, no architecture. So this doesn't allow to have a good image of how much x86_64 vs ARM64 (aarch64) are used today. Firefox triage is linux-x86_64 to x86_64 for desktop download and aarch64 for mobile. Desktop user on non-x86_64 are badly redirected on most websites due to this.<br><br>Mobile Android is far more popular than Windows since few years, and more and more people move to ARM (including Android, Chromebooks, Apple and more and more Linux users) due to good performances of this RISC based architecture now (far less electricity needed than x86, that mean longer battery life and more light on mobile and lower electricity bill and heat in summer on desktop).<br>", "context": "https://snac2.popolon.org/Popolon/p/1748867272.679419#ctxt", "url": "https://snac2.popolon.org/Popolon/p/1748867272.679419", "to": [ "https://www.w3.org/ns/activitystreams#Public" ], "cc": [], "inReplyTo": null, "tag": [ { "type": "Hashtag", "href": "https://snac2.popolon.org?t=arm64", "name": "#arm64" }, { "type": "Hashtag", "href": "https://snac2.popolon.org?t=notebook", "name": "#notebook" }, { "type": "Hashtag", "href": "https://snac2.popolon.org?t=riscv", "name": "#riscv" }, { "type": "Hashtag", "href": "https://snac2.popolon.org?t=useragent", "name": "#useragent" } ], "sourceContent": "I use a Linux #ARM64 computer as main computer since several month now (I had done this several years ago on a #notebook, until it break and reused an older computer since), still waiting for a functional #RISCV platform (this is still a work in progress with mainline Linux). I was surprised to see Firefox having Linux-x86_64 as #UserAgent. After a bug report, it's a deliberated choice for keeping compatibility on some broken websites and to not leak to much fingerprint. Fennec mobile has just \"Android 13; Mobile\" as User Agent, no architecture. So this doesn't allow to have a good image of how much x86_64 vs ARM64 (aarch64) are used today. Firefox triage is linux-x86_64 to x86_64 for desktop download and aarch64 for mobile. Desktop user on non-x86_64 are badly redirected on most websites due to this.\n\nMobile Android is far more popular than Windows since few years, and more and more people move to ARM (including Android, Chromebooks, Apple and more and more Linux users) due to good performances of this RISC based architecture now (far less electricity needed than x86, that mean longer battery life and more light on mobile and lower electricity bill and heat in summer on desktop).", "updated": "2025-06-02T12:29:10Z" }