{"id":331719,"iid":26,"project_id":2439,"title":"How large is the Onion Space?","description":"# Description\n\nHow large the Onion Space actually is? This issue is about documenting what we know.\n\n# Tasks\n\n* [ ] Document what is known about _actual_ Onion Space size/occupation,\n      perhaps at the [Onion Space section][section]:\n    * [ ] In number of unique addresses:\n          https://metrics.torproject.org/hidserv-dir-v3-onions-seen.html\n    * [ ] In number of Onion Service directories:\n          https://metrics.torproject.org/relayflags.png?flag=Running\u0026flag=HSDir\n    * [ ] The hashring size? Rough estimates (avg. and max): lowest/mid/highest\n          estimations (25kB to 50kB per descriptor).\n    * [ ] In bandwidth:\n      * Current official numbers:\n        https://metrics.torproject.org/hidserv-rend-v3-relayed-cells.html\n      * Last time these stats were compiled (in 2015): Onion Services were 3%\n        percent of total Tor traffic.\n      * As of July 4th 2024, it seems to be 19.4% or all Tor traffic.\n      * Thus, on 2024-07-04, 19.47% of client traffic is Onion Services traffic\n        and 27.32% of traffic seen at a relay is Onion Services traffic.\n      * What this is about, we don't know yet.\n      * Recent analysis available at\n        https://gitlab.torproject.org/tpo/network-health/analysis/-/issues/67#note_3079577\n    * [ ] In number of TLS certificates.\n* [ ] Document and add it to the next \"Some News From the Onion Space\"\n      bulletin (usually published [here] ([example])).\n\n[section]: https://onionservices.torproject.org/technology/properties/#the-onion-space\n[here]: https://forum.torproject.org/tag/onion-services\n[example]: https://forum.torproject.org/t/some-news-from-the-onion-space-2024-09/14963","state":"opened","created_at":"2025-01-27T18:48:48.600Z","updated_at":"2025-09-29T19:18:16.478Z","closed_at":null,"closed_by":null,"labels":["Docshackathon","First Contribution","Kind::Documentation","Priority::Low","Product::Onion_Services"],"milestone":{"id":2978,"iid":1,"project_id":2439,"title":"Onion Services Ecosystem 1.1.0","description":"Tasks related to complete http://onionservices.torproject.org -- the major achievement would be a more complete set of docs covering the basic and advanced topics.\r\n","state":"active","created_at":"2025-03-22T15:44:31.918Z","updated_at":"2026-05-28T15:27:04.038Z","due_date":null,"start_date":null,"expired":false,"web_url":"https://gitlab.torproject.org/tpo/onion-services/ecosystem/-/milestones/1"},"assignees":[],"author":{"id":1852,"username":"rhatto","public_email":"","name":"Silvio Rhatto","state":"active","locked":false,"avatar_url":"https://gitlab.torproject.org/uploads/-/system/user/avatar/1852/avatar.png?v=1794453196","web_url":"https://gitlab.torproject.org/rhatto"},"type":"ISSUE","assignee":null,"user_notes_count":1,"merge_requests_count":0,"upvotes":0,"downvotes":0,"start_date":null,"due_date":null,"confidential":false,"discussion_locked":null,"issue_type":"issue","web_url":"https://gitlab.torproject.org/tpo/onion-services/ecosystem/-/work_items/26","time_stats":{"time_estimate":0,"total_time_spent":0,"human_time_estimate":null,"human_total_time_spent":null},"task_completion_status":{"count":7,"completed_count":0},"weight":null,"blocking_issues_count":0,"has_tasks":false,"_links":{"self":"https://gitlab.torproject.org/api/v4/projects/2439/issues/26","notes":"https://gitlab.torproject.org/api/v4/projects/2439/issues/26/notes","award_emoji":"https://gitlab.torproject.org/api/v4/projects/2439/issues/26/award_emoji","project":"https://gitlab.torproject.org/api/v4/projects/2439","closed_as_duplicate_of":null},"references":{"short":"#26","relative":"#26","full":"tpo/onion-services/ecosystem#26"},"severity":"UNKNOWN","subscribed":false,"moved_to_id":null,"imported":false,"imported_from":"none","service_desk_reply_to":null,"epic_iid":null,"epic":null,"iteration":null,"health_status":null}