How does PageSourceSearch know what teylersmuseum.nl 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 teylersmuseum.nl 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 teylersmuseum.nl?

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 teylersmuseum.nl?

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

teylersmuseum.nl

Built with gtm, @clerk/ui 1.34.0, algoliasearch.zendesk-hc 3.0.0, dashjs 5.2.1, @marimo-team/frontend 0.25.0, @inkeep/cxkit-js 0.5.119, @mux/mux-player 3.13.4, @feathery/react 2.96.0, facebook-pixel, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1 and more. 5 pages and 140 stored files, last crawled 2026-10-02.

rank 513,997 44 libraries 1 identifier 60 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
gtm		2026-10-02
@clerk/ui	1.34.0	2026-10-02
algoliasearch.zendesk-hc	3.0.0	2026-10-02
dashjs	5.2.1	2026-10-02
@marimo-team/frontend	0.25.0	2026-10-02
@inkeep/cxkit-js	0.5.119	2026-10-02
@mux/mux-player	3.13.4	2026-10-02
@feathery/react	2.96.0	2026-10-02
facebook-pixel		2026-10-02
@reachfive/identity-core	1.42.0	2026-10-02
@reachfive/identity-ui	2.1.0	2026-10-02
jspdf	4.2.1	2026-10-02
mapbox-gl	3.31.0	2026-10-02
xlsx-js-style	1.2.0	2026-10-02
css-loader		2026-10-02
style-loader		2026-10-02
spectorjs	0.9.33	2026-10-02
@moveo-ai/web-client	0.117.0	2026-10-02
@jupyter-widgets/html-manager	1.0.15	2026-10-02
@tolgee/web	7.2.1	2026-10-02
@videojs/cdn	10.0.0-rc.2	2026-10-02
@elevenlabs/convai-widget-embed	0.18.2	2026-10-02
artplayer-plugin-vast	1.0.0	2026-10-02
ovenplayer	0.10.54	2026-10-02
graphql-playground-react	1.7.28	2026-10-02
@recogito/annotorious	2.7.14	2026-10-02
@maveio/components	0.0.192	2026-10-02
frankenstyle	0.3.8	2026-10-02
franken-ui	2.1.2	2026-10-02
@teipublisher/pb-components	3.6.8	2026-10-02
dmn-js	17.12.0	2026-10-02
@ant-design/x	2.9.0	2026-10-02
mori-chat-widget	2.0.49	2026-10-02
@tsocial/tvweb-sdk	5.38.6	2026-10-02
cobrowse-sdk-js	3.28.7	2026-10-02
@inkeep/agents-ui-js-cloud	0.17.8	2026-10-02
@formbird/angular-elements	8.5.10	2026-10-02
@joyfill/components	4.0.0-rc26	2026-10-02
@pyscript/core	0.7.31	2026-10-02
@grigorov-it/mazer	2.2.0	2026-10-02
@limetech/lime-elements	40.5.1	2026-10-02
amcharts3	3.21.15	2026-10-02
@record-evolution/widget-mapbox	1.5.19	2026-10-02
@amcharts/amcharts4	4.10.40	2026-09-24

Tracking, tag and verification IDs

Public identifiers read out of the source. Each links to every other site in the index that carries the same one.

What	Value	Found in
Sentry DSN host (Sentry)	o4507095657545728.ingest.de.sentry.io	view source

Third-party hosts

Hosts outside teylersmuseum.nl 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
acme.com	connect	view source
aomedia.org	connect	view source
api.mapbox.com	connect	view source
api.sanity.io	connect	view source
api.sanity.work	connect	view source
app-eu.readspeaker.com	connect	view source
apps.mapbox.com	connect	view source
cdn.sanity.io	connect	view source
cloudinary.com	connect	view source
combi.museumvilla.com	connect	view source
connect.facebook.net	connect	view source
core.sanity-cdn.com	connect	view source
docs.oasis-open.org	connect	view source
events.mapbox.cn	connect	view source
events.mapbox.com	connect	view source
example.com	connect	view source
forms.gle	connect	view source
franshalsmuseum.us17.list-manage.com	connect	view source
github.com	connect	view source
iiif.micr.io	connect	view source
img.litix.io	connect	view source
media.sanity.io	connect	view source
media.sanity.work	connect	view source
museumplatform.b-cdn.net	connect	view source
nextjs.org	connect	view source
openoffice.org	connect	view source
player.vimeo.com	connect	view source
public.sanity.io	connect	view source
purl.oclc.org	connect	view source
purl.org	connect	view source
q42.us12.list-manage.com	connect	view source
r2.micr.io	connect	view source
react.dev	connect	view source
res.cloudinary.com	connect	view source
sanity-cdn.com	connect	view source
sanity-cdn.work	connect	view source
sanity.io	connect	view source
sanity.work	connect	view source
schemas.microsoft.com	connect	view source
schemas.openxmlformats.org	connect	view source
snty.link	connect	view source
teylersmuseum.us10.list-manage.com	connect	view source
ticketcore.nl	connect	view source
tickets.museumvilla.com	connect	view source
upload-widget.cloudinary.com	connect	view source
va.vercel-scripts.com	connect	view source
vercel.live	connect	view source
wa.me	connect	view source
www.enable-javascript.com	connect	view source
www.example.com	connect	view source
www.facebook.com	connect	view source
www.framer.com	connect	view source
www.googletagmanager.com	connect	view source
www.gstatic.com	connect	view source
www.mapbox.com	connect	view source
www.mux.com	connect	view source
www.sanity.io	connect	view source
www.sanity.work	connect	view source
www.w3.org	connect	view source
www.youtube-nocookie.com	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 140) }. 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
https://connect.facebook.net/en_US/fbevents.js	js library	not fetched	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/ch…/_error-d9263b0ace1fa150.js	js	229 B	2026-10-02	current
https://www.googletagmanager.com/gtm.js	js library	not fetched	2026-10-02	current
https://www.googletagmanager.com/gtm.js?id=	js library	not fetched	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/98228.d85dc245b7e83c50.js	js	16 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/91914.a43873549f8184ba.js	js	4.2 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/90718.f6f80ede1ebed1c4.js	js	17.3 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/70497.6088ffc8c5144011.js	js	14.8 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/69533.b7fa8c8aedf26db5.js	js	5 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/66199.5bc111360887f1dd.js	js	17.8 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/64599.c28fac913a76f344.js	js	18.3 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/51120.298addb4abfc729e.js	js	18.3 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/47191.87cca68c1ef4d96a.js	js	3.6 KB	2026-10-02	current
https://tickets.teylersmuseum.nl/_next/static/chunks/40819.97772f862ea3ae96.js	js	17.4 KB	2026-10-02	current
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https://tickets.teylersmuseum.nl/_next/static/ch…/08659e68.a10ee334a32c4189.js	js	1.4 MB	2026-10-02	current
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https://teylersmuseum.nl/_next/static/chunks/7182.63d125769cf18782.js	js	903 B	2026-10-02	current
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https://teylersmuseum.nl/_next/static/chunks/5602.19760c25e068dbda.js	js	25.2 KB	2026-10-02	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.

2026-10-02 first crawl

5 pages, 140 files, 15.9 MB; 43 libraries, 1 identifier, 60 third-party hosts
43 libraries added
- @ant-design/x 2.9.0
- @inkeep/cxkit-js 0.5.119
- @clerk/ui 1.34.0
- @moveo-ai/web-client 0.117.0
- @joyfill/components 4.0.0-rc26
- mori-chat-widget 2.0.49
- spectorjs 0.9.33
- algoliasearch.zendesk-hc 3.0.0
- @videojs/cdn 10.0.0-rc.2
- @maveio/components 0.0.192
- @mux/mux-player 3.13.4
- @tsocial/tvweb-sdk 5.38.6
- and 31 more
1 identifier added
- o4507095657545728.ingest.de.sentry.io Sentry DSN host
60 third-party hosts added
140 files added

Questions about teylersmuseum.nl

How does PageSourceSearch know what teylersmuseum.nl 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 teylersmuseum.nl 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 teylersmuseum.nl?: 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 teylersmuseum.nl?: 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.