#JavaScriptCore
Live, measured metrics for the hashtag #JavaScriptCore from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #javascriptcore
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-08-11 18:55 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-08-11 18:55 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-08-11 18:55 UTCEverything below is measured over the latest 19 public posts (spanning ~34667 hours).
Posting hours (UTC) — busiest: 21:00
Languages: English (15) · German (2) · Chinese (Taiwan) (1) · Russian (1)
Avg boosts / post: 0.7
Top of the latest posts
In this end-of-year special of #WebKitIgaliaPeriodicals we have a new GMallocString helper that makes management of malloc-based strings more efficient, development releases, and a handful of advancements on the #JavaScriptCore implementati
current code project: a macOS/iOS application that acts as a quick-and-dirty JavaScript REPL, that I can use instead of a browser console #software #macos #swiftui #JavaScriptCore #javascript #swift #showfedi
Bun has an open PR adding shared-memory threads to JavaScriptCore https://github.com/oven-sh/WebKit/pull/249 #HackerNews #Bun #JavaScriptCore #sharedmemory #threads #openPR #WebKit
What “javascriptcore” means
WikipediaWebKit is a browser engine primarily used in Apple's Safari web browser, as well as almost all web browsers on iOS and iPadOS. WebKit is also used by the PlayStation consoles starting with the PS3, the Tizen mobile operating systems, the Amazon Kindle e-book reader, Nintendo consoles starting with the 3DS Internet Browser, GNOME Web, and the discontinued BlackBerry Browser.
“WebKit” on Wikipedia (CC BY-SA) →#javascriptcore across platforms
every network with a public tag surfaceFollow #javascriptcore straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/javascriptcore