How does PageSourceSearch know what lf-lang.org is built with?

From the site's own source code. The crawler stores the exact bytes of its pages and first-party scripts; the libraries are recognised by fingerprinting that code against known releases, the identifiers are read out of the tag snippets, and the third-party hosts are the script, iframe and stylesheet sources in the HTML and the absolute URLs inside the scripts. Nothing is inferred from headers or guessed.

How far back does the history of lf-lang.org go?

To the first crawl the timeline lists. Every crawl records what the site looked like; when a file's content changes, its earlier version stays viewable because the stored chunks are never deleted, only mapped. A crawl that finds a file unchanged adds no copy.

Can I see an older version of a script from lf-lang.org?

Yes. In the stored files list, every date under a file opens the version that was live at that crawl, with the same viewer as the current one. The raw bytes can be downloaded from there.

Which other websites use the same tracking IDs as lf-lang.org?

Each identifier links to its reverse lookup, the list of every site in the index whose source carries the same id: the sites one analytics property or tag manager container is shared across.

Site profile

lf-lang.org

Built with @miso.ai/client-sdk 1.13.1, swagger-ui-dist 5.33.0, @inkeep/cxkit-js 0.5.119, @reachfive/identity-ui 2.1.0, @cognigy/webchat 3.50.0, @vitest/utils 5.0.2, cobrowse-sdk-js 3.28.7, @inkeep/agents-ui-js-cloud 0.17.8, @chainlink/cl-search-frontend 0.13.2, @limetech/lime-elements 40.5.1, @progress/kendo-date-math 1.5.17, genesys-cloud-webrtc-sdk 14.2.4 and more. 5 pages and 200 stored files, last crawled 2026-10-03.

rank 1,942,158 13 libraries 0 identifiers 96 third-party hosts 1 crawl open the site

Technologies and libraries

Recognised by fingerprinting the stored files and bundles against known releases; a version is the release the bytes match.

Library	Version	Seen
@miso.ai/client-sdk	1.13.1	2026-10-03
swagger-ui-dist	5.33.0	2026-10-03
@inkeep/cxkit-js	0.5.119	2026-10-03
@reachfive/identity-ui	2.1.0	2026-10-03
@cognigy/webchat	3.50.0	2026-10-03
@vitest/utils	5.0.2	2026-10-03
cobrowse-sdk-js	3.28.7	2026-10-03
@inkeep/agents-ui-js-cloud	0.17.8	2026-10-03
@chainlink/cl-search-frontend	0.13.2	2026-10-03
@limetech/lime-elements	40.5.1	2026-10-03
@progress/kendo-date-math	1.5.17	2026-10-03
genesys-cloud-webrtc-sdk	14.2.4	2026-10-03
swr	2.5.1	2026-09-25

Tracking, tag and verification IDs

No analytics property, tag manager container, pixel or site-verification token was found in the stored source.

Third-party hosts

Hosts outside lf-lang.org that its pages load scripts, frames or stylesheets from, and that its own scripts name in absolute URLs (connect). Each links to every site loading from the same host.

Host	Loaded as	Found in
archive.eclipse.org	connect	view source
arduino.github.io	connect	view source
avatars.githubusercontent.com	connect	view source
babeljs.io	connect	view source
babeltrace.org	connect	view source
backends.it.ntnu.no	connect	view source
chadliajerad.github.io	connect	view source
clearpathrobotics.com	connect	view source
cmake.org	connect	view source
code.visualstudio.com	connect	view source
cps-iot-week2026.inria.fr	connect	view source
ctan.org	connect	view source
cursor.com	connect	view source
dblp.org	connect	view source
diamon.org	connect	view source
dl.acm.org	connect	view source
doc.rust-lang.org	connect	view source
docs.docker.com	connect	view source
docs.github.com	connect	view source
docs.google.com	connect	view source
docs.gradle.org	connect	view source
docs.npmjs.com	connect	view source
docs.python.org	connect	view source
docs.rs	connect	view source
docs.zephyrproject.org	connect	view source
docusaurus.io	connect	view source
doi.org	connect	view source
drive.google.com	connect	view source
eecs.berkeley.edu	connect	view source
en.cppreference.com	connect	view source
en.wikipedia.org	connect	view source
erlingrj.github.io	connect	view source
ghbtns.com	iframe	view source
github.com	connect	view source
github.githubassets.com	connect	view source
gitpod.io	connect	view source
hokeun.github.io	connect	view source
hub.docker.com	connect	view source
hydra.cc	connect	view source
iamturns.com	connect	view source
ieeexplore.ieee.org	connect	view source
inet.haw-hamburg.de	connect	view source
jakio815.github.io	connect	view source
lf-lang.github.io	connect	view source
lf-lang.zulipchat.com	connect	view source
link.springer.com	connect	view source
lttng.org	connect	view source
marketplace.visualstudio.com	connect	view source
micro-lf.org	connect	view source
mujoco.org	connect	view source
nodejs.org	connect	view source
nodesource.com	connect	view source
ocf.io	connect	view source
open-vsx.org	connect	view source
openreview.net	connect	view source
patmos.compute.dtu.dk	connect	view source
people.eecs.berkeley.edu	connect	view source
personal.utdallas.edu	connect	view source
pip.pypa.io	connect	view source
ptolemy.berkeley.edu	connect	view source
pygments.org	connect	view source
pypi.org	connect	view source
raw.githubusercontent.com	connect	view source
reactjs.org	connect	view source
reactor-model.org	connect	view source
rptl.io	connect	view source
rtist.hcldoc.com	connect	view source
schema.org	connect	view source
shaokai.io	connect	view source
tanneberger.me	connect	view source
typedoc.org	connect	view source
ubuntu.com	connect	view source
user-images.githubusercontent.com	connect	view source
vampir.eu	connect	view source
webplatform.github.io	connect	view source
wiki.python.org	connect	view source
www.actor-framework.org	connect	view source
www.chromium.org	connect	view source
www.eclipse.org	connect	view source
www.jetbrains.com	connect	view source
www.linkedin.com	connect	view source
www.nordicsemi.com	connect	view source
www.npmjs.com	connect	view source
www.oracle.com	connect	view source
www.pololu.com	connect	view source
www.python.org	connect	view source
www.researchgate.net	connect	view source
www.tcrs.io	connect	view source
www.typescriptlang.org	connect	view source
www.w3.org	connect	view source
www.xronos.com	connect	view source
www.youtube-nocookie.com	connect	view source
www.youtube.com	connect	view source
xronos.com	connect	view source
youtu.be	connect	view source
youtube.com	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 200) }. Versions are the crawls at which the file was new or its content changed; each opens the file as it was then, rebuilt from the same stored chunks.

File	Kind	Size	Collected	Versions
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https://www.lf-lang.org/assets/js/2b5d91b0.6aaea2bc.js	js	33.8 KB	2026-10-03	current
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https://www.lf-lang.org/assets/js/05360bf3.0079bda6.js	js	17.1 KB	2026-10-03	current
https://www.lf-lang.org/assets/js/5c46b793.f0135296.js	js	29.3 KB	2026-10-03	current
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Timeline

One entry per crawl, newest first, with what changed since the crawl before: libraries, identifiers, third-party hosts and files. Historical versions stay viewable because the stored chunks are shared between versions, never copied.

2026-10-03 first crawl

5 pages, 200 files, 7.5 MB; 12 libraries, 0 identifiers, 96 third-party hosts
12 libraries added
- @vitest/utils 5.0.2
- cobrowse-sdk-js 3.28.7
- @miso.ai/client-sdk 1.13.1
- @limetech/lime-elements 40.5.1
- @cognigy/webchat 3.50.0
- @reachfive/identity-ui 2.1.0
- swagger-ui-dist 5.33.0
- @inkeep/cxkit-js 0.5.119
- @chainlink/cl-search-frontend 0.13.2
- @inkeep/agents-ui-js-cloud 0.17.8
- @progress/kendo-date-math 1.5.17
- genesys-cloud-webrtc-sdk 14.2.4
96 third-party hosts added
- ghbtns.com
- www.w3.org
- docusaurus.io
- webplatform.github.io
- reactjs.org
- github.com
- www.oracle.com
- gitpod.io
- cursor.com
- marketplace.visualstudio.com
- open-vsx.org
- micro-lf.org
- and 84 more
200 files added

Questions about lf-lang.org

How does PageSourceSearch know what lf-lang.org is built with?: From the site's own source code. The crawler stores the exact bytes of its pages and first-party scripts; the libraries are recognised by fingerprinting that code against known releases, the identifiers are read out of the tag snippets, and the third-party hosts are the script, iframe and stylesheet sources in the HTML and the absolute URLs inside the scripts. Nothing is inferred from headers or guessed.
How far back does the history of lf-lang.org go?: To the first crawl the timeline lists. Every crawl records what the site looked like; when a file's content changes, its earlier version stays viewable because the stored chunks are never deleted, only mapped. A crawl that finds a file unchanged adds no copy.
Can I see an older version of a script from lf-lang.org?: Yes. In the stored files list, every date under a file opens the version that was live at that crawl, with the same viewer as the current one. The raw bytes can be downloaded from there.
Which other websites use the same tracking IDs as lf-lang.org?: Each identifier links to its reverse lookup, the list of every site in the index whose source carries the same id: the sites one analytics property or tag manager container is shared across.

Look up another site, browse sites by tracking ID, third-party host or technology. Site owners: see the crawler page for how stored pages are removed.