How does PageSourceSearch know what fcetzella.lu 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 fcetzella.lu 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 fcetzella.lu?

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 fcetzella.lu?

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

fcetzella.lu

Built with gtm, webpack, @clerk/ui 1.34.0, dashjs 5.2.1, @inkeep/cxkit-js 0.5.119, moment-timezone 0.6.4, @feathery/react 2.96.0, stripe-js 7.9.0, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, @zephr/browser 1.9.1 and more. 5 pages and 209 stored files, last crawled 2026-10-03.

rank 1,594,541 67 libraries 0 identifiers 38 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		2026-10-03
webpack		2026-10-03
@clerk/ui	1.34.0	2026-10-03
dashjs	5.2.1	2026-10-03
@inkeep/cxkit-js	0.5.119	2026-10-03
moment-timezone	0.6.4	2026-10-03
@feathery/react	2.96.0	2026-10-03
stripe-js	7.9.0	2026-10-03
@reachfive/identity-core	1.42.0	2026-10-03
@reachfive/identity-ui	2.1.0	2026-10-03
jspdf	4.2.1	2026-10-03
@zephr/browser	1.9.1	2026-10-03
@cognigy/webchat	3.50.0	2026-10-03
oidc-client	1.11.5	2026-10-03
exceljs	4.4.0	2026-10-03
paulirish/lite-youtube-embed		2026-10-03
@tolgee/web	7.2.1	2026-10-03
webex	3.12.0	2026-10-03
vue3-sfc-loader	0.9.5	2026-10-03
aiware-js	0.0.0	2026-10-03
webtorrent	3.0.21	2026-10-03
@walletconnect/web3-provider	1.8.0	2026-10-03
@recogito/annotorious	2.7.14	2026-10-03
webcrypto	0.1.1	2026-10-03
@bikematrix/web-components	1.3.23	2026-10-03
@sledge-app/js	2.0.114	2026-10-03
@formio/js	5.6.1	2026-10-03
wsemi	1.9.4	2026-10-03
@oracle/oraclejet	21.0.1	2026-10-03
tonweb	0.0.66	2026-10-03
@accusoft/pdf-viewer	3.11.158639	2026-10-03
@ant-design/x	2.9.0	2026-10-03
@saasquatch/mint-components	2.5.1	2026-10-03
@stytch/vanilla-js	6.3.0	2026-10-03
@okta/okta-signin-widget	7.49.1	2026-10-03
@inkeep/agents-ui-js-cloud	0.17.8	2026-10-03
wonder-image	2.1.2-alpha.4	2026-10-03
@gaia-project/viewer	5.12.0	2026-10-03
tcplayer.js	5.3.4	2026-10-03
tia-gpc-widget	3.1.1	2026-10-03
alpheios-components	3.4.3-incr-3.4.x.20220428394	2026-10-03
@websolutespa/llm-farmaciacarli	1.0.24	2026-10-03
machinelearn	2.1.5	2026-10-03
@chativa/connector-directline	0.15.0	2026-10-03
@solace-health/solace-entry-widget	2.0.5	2026-10-03
coherentpdf	2.5.5	2026-10-03
@wix/design-system	1.328.0	2026-09-25
@alma/widgets	4.6.1	2026-09-25
@dotlottie/player-component	2.7.12	2026-09-25
@n8n/chat	1.39.2	2026-09-25
@marimo-team/frontend	0.25.0	2026-09-25
@raisenow/tamaro-core	2.19.3	2026-09-25
typesense-instantsearch-adapter	3.0.2	2026-09-25
element-plus	2.14.6	2026-09-25
@commonlit/commonlit-frontend	0.1.0	2026-09-25
react-render-tracker	0.7.8	2026-09-25
@desivocal/agents-cdn	1.0.21	2026-09-25
spectorjs	0.9.33	2026-09-25
@feedmepos/mf-report	5.29.2	2026-09-25
@epigraph/configurator	2.7.0	2026-09-25
@moveo-ai/web-client	0.117.0	2026-09-25
@contentful/live-preview	4.10.20	2026-09-25
naive-ui	2.45.3	2026-09-25
bry-biometric-collector	3.3.6	2026-09-25
replaywebpage	2.5.3	2026-09-25
latex.js	0.12.6	2026-09-25
@feedmepos/mf-connect	0.1.98-beta.68	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 fcetzella.lu 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
analytics.google.com	connect	view source
api.ipstack.com	connect	view source
apiv3.clubee.com	connect	view source
app.clubee.local	connect	view source
cdn.jsdelivr.net	connect	view source
d28kyj1r8oju1l.cloudfront.net	connect	view source
developers.google.com	connect	view source
dk9pqlttm1g0o.cloudfront.net	stylesheet connect	view source
ec.europa.eu	connect	view source
example.com	connect	view source
extranet.flf.lu	connect	view source
flf-shop.lu	connect	view source
fonts.googleapis.com	connect	view source
frontend-v3-s3.production.clubee-aws.xyz	script stylesheet connect	view source
get.clubee.com	connect	view source
github.com	connect	view source
googleads.g.doubleclick.net	connect	view source
i.ytimg.com	connect	view source
img.youtube.com	connect	view source
js.stripe.com	connect	view source
lb-frontend-v4.production.clubee-aws.xyz	connect	view source
maps.apple.com	connect	view source
maps.googleapis.com	connect	view source
mui.com	connect	view source
noembed.com	connect	view source
react.dev	connect	view source
reactjs.org	connect	view source
schema.org	connect	view source
stripe.com	connect	view source
ticket.luxembourg-ticket.lu	connect	view source
vimeo.com	connect	view source
www.clubee.com	connect	view source
www.google.com	connect	view source
www.googleadservices.com	connect	view source
www.googletagmanager.com	iframe connect	view source
www.s50static.com	connect	view source
www.w3.org	connect	view source
www.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 209) }. 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.

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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, 100 files, 8.8 MB; 46 libraries, 0 identifiers, 38 third-party hosts
46 libraries added
- @inkeep/agents-ui-js-cloud 0.17.8
- @clerk/ui 1.34.0
- @ant-design/x 2.9.0
- dashjs 5.2.1
- @chativa/connector-directline 0.15.0
- webex 3.12.0
- machinelearn 2.1.5
- tcplayer.js 5.3.4
- tonweb 0.0.66
- oidc-client 1.11.5
- @gaia-project/viewer 5.12.0
- exceljs 4.4.0
- and 34 more
42 third-party hosts added
100 files added

Questions about fcetzella.lu

How does PageSourceSearch know what fcetzella.lu 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 fcetzella.lu 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 fcetzella.lu?: 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 fcetzella.lu?: 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.