#xpath4
Live, measured metrics for the hashtag #xpath4 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #xpath4
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.social (Mastodon public tags API) · fetched 2026-09-29 19:20 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.social (Mastodon public search API) · fetched 2026-09-29 19:20 UTCNo related tags with measured usage found for #xpath4.
Live pulse
measured · mastodon.social (Mastodon tag timeline) · fetched 2026-09-29 19:20 UTCEverything below is measured over the latest 3 public posts (spanning ~4418 hours).
Posting hours (UTC)
Languages: English (3)
Avg boosts / post: 3.7
Top of the latest posts
Work continues on XPath 4, XQuery 4, XSLT 4 - see https://qt4cg.org/ - but the focus has shifted to “getting it finished”i think. Although i wasn’t able to be as active as i wanted (and had a meeting conflict) i did write some proposals, so
@64kb Yes, there's a parse-html function in the XPath 4 functions and operators draft. XSLT and XPath 3, from 2017, can already parse JSON. #XPath4 #XSLT #XSLT3 #qt4
XSLT is a functional language for manipulating primarily tree-structured data and information, such as you might find in XML or JSON or HTML for example. Someone recently asked me for an XSLT course that includes XSLT 4; usually i teach XSL
What “xpath4” means
WikipediaXPath is an expression language designed to support the query or transformation of XML documents. It was defined by the World Wide Web Consortium (W3C) in 1999, and can be used to compute values from the content of an XML document. Support for XPath exists in applications that support XML, such as web browsers, and many programming languages.
“XPath” on Wikipedia (CC BY-SA) →#xpath4 across platforms
every network with a public tag surfaceFollow #xpath4 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/xpath4