How does PageSourceSearch know what laufen.cz 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 laufen.cz 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 laufen.cz?

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 laufen.cz?

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

laufen.cz

Built with bootstrap 4.3.1, @finsweet/attributes 2.7.1, jquery 1.9.1, gtm, react, @wix/design-system 1.328.0, @accessible360/accessible-slick 1.0.1, masonry-layout 4.2.2, jquery-ui 1.12.1, tooltipster 4.2.8, @marimo-team/frontend 0.25.0, es-toolkit 1.52.0 and more. 5 pages and 156 stored files, last crawled 2026-10-07.

rank 12,513,171 46 libraries 2 identifiers 20 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
bootstrap	4.3.1	2026-10-07
@finsweet/attributes	2.7.1	2026-10-07
jquery	1.9.1	2026-10-07
gtm		2026-10-07
react		2026-10-07
@wix/design-system	1.328.0	2026-10-07
@accessible360/accessible-slick	1.0.1	2026-10-07
masonry-layout	4.2.2	2026-10-07
jquery-ui	1.12.1	2026-10-07
tooltipster	4.2.8	2026-10-07
@marimo-team/frontend	0.25.0	2026-10-07
es-toolkit	1.52.0	2026-10-07
@raisenow/tamaro-core	2.19.3	2026-10-07
@esri/calcite-components	5.1.2	2026-10-07
scheduler		2026-10-07
onetrust		2026-10-07
@constructor-io/constructorio-ui-autocomplete	1.30.1	2026-10-07
jquery-match-height	0.7.2	2026-10-07
mdbootstrap	4.20.0	2026-10-07
google-maps		2026-10-07
@commonlit/commonlit-frontend	0.1.0	2026-10-07
@desivocal/agents-cdn	1.0.21	2026-10-07
json-db-admin	0.0.1	2026-10-07
@googlemaps/markerclustererplus		2026-10-07
slick-slider	1.8.2	2026-10-07
@scalar/api-reference	1.71.0	2026-10-07
botframework-webchat	4.19.1	2026-10-07
@epigraph/configurator	2.7.0	2026-10-07
jquery.nicescroll	3.7.6	2026-10-07
cdbootstrap	1.3.4	2026-10-07
@chatvolt/embeds	4.3.16	2026-10-07
jquery-ui-slider	1.12.1	2026-10-07
@geocodeearth/autocomplete-element	0.8.0	2026-10-07
volantis-static	0.0.1761982841160	2026-10-07
molstar	5.11.0	2026-10-07
ckeditor5	48.5.2	2026-10-07
iview	3.5.4	2026-10-07
rc-calendar	9.15.11	2026-10-07
pikaday-responsive	0.7.0	2026-10-07
jqwidgets-scripts	27.0.1	2026-10-07
@laburen/embeds	1.0.237	2026-10-07
vue-ctk-date-time-picker	2.6.1	2026-10-07
@waniwani/sdk	0.21.3	2026-10-07
@release0/js	1.2.0	2026-10-07
vue-color	3.3.3	2026-10-07
@cd2/fileboy-browser	0.15.4	2026-10-07

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
Google Tag Manager container (Google)	GTM-5V2F45	view source
Google Tag Manager container (Google)	GTM-PC3QMN6J	view source

Third-party hosts

Hosts outside laufen.cz 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
api.ckbox.io	connect	view source
apps.apple.com	connect	view source
cdn.ckbox.io	connect	view source
cdn.ckeditor.com	connect	view source
cdn.cookielaw.org	script	view source
ckeditor.com	connect	view source
clay.data.provider	connect	view source
example.com	connect	view source
maps.googleapis.com	script	view source
open.spotify.com	connect	view source
play.google.com	connect	view source
player.vimeo.com	connect	view source
reactjs.org	connect	view source
unpkg.com	script	view source
v2.zopim.com	connect	view source
www.dailymotion.com	connect	view source
www.googletagmanager.com	iframe	view source
www.w3.org	connect	view source
www.youtube.com	connect	view source
yui.yahooapis.com	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 156) }. 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://cdn.cookielaw.org/consent/8a1fcc8e-8b0f-…026-8ca754b2b3c9/OtAutoBlock.js	js library	not fetched	2026-10-07	2026-10-07
https://cdn.cookielaw.org/scripttemplates/otSDKStub.js	js library	not fetched	2026-10-07	2026-10-07
https://maps.googleapis.com/maps/api/js?v=3&key=…=places&callback=initialize	js library	not fetched	2026-10-07	2026-10-07
https://unpkg.com/@googlemaps/markerclustererplu…mGoUwfuU7FeaXbBB4P7KCOYQkCDaSOI	js library	not fetched	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/…=cs_CZ&t=1790924346000	js	134.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/combo?browserId=chrome&min…/liferay/dependency.js	js	159.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/…=cs_CZ&t=1790686606000	js	134.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/combo?browserId=firefox&mi…/liferay/dependency.js	js	159.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/…=cs_CZ&t=1790109196000	js	135.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/combo?browserId=other&mini…/liferay/dependency.js	js	159.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/…=cs_CZ&t=1790687264000	js	130.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/combo?browserId=other&mini…/liferay/dependency.js	js	159.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/imagesloaded.pkgd.min.js	js	5.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/masonry.pkgd.min.js	js	23.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/roca-chat.js	js	4.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/daterangepicker.min.js	js	31.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/moment.min.js	js	50.3 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/collect-demand-buttons.js	js	8.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/roca-footer.js?v=2	js	3.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/roca-header.js?v=3	js	26.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/scrollSync.js	js	8.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/clamp.min.js	js	2.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/jquery.ui.touch-punch.min.js	js library	1.3 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/jquery.nicescroll.min.js	js	58.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/popper.min.js	js library	19.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/jquery.matchHeight-min.js	js library	3.3 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/jquery-ui.min.js	js	21.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/…=cs_CZ&t=1791200704000	js	134.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/laufen-restyle-theme/js/lib/slick.min.js	js	42.3 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/roca-bootstrap-bundle-gl…/bootstrap.bundle.4.3.1.min.js	js	76.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/roca-jquery-global-js/jquery-3.5.1.min.js	js	87.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/oauth2-provider-web/__liferay__/global.js	js	3.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-loader-modules-extender/loader.js	js	23.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-web/Liferay.js	js	88.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/combo?browserId=chrome&min…/liferay/dependency.js	js	159.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/portal-url-builder-impl/Liferay.js	js	590 B	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__…/exports/react-dom-18$client.js	js	1.7 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-js-react-web/__…/exports/react-dom-16.js	js	124.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__…/exports/react-dom$client.js	js	1.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__liferay__/exports/react-dom.js	js	134.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__liferay__/exports/react-18.js	js	9.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__liferay__/exports/react-16.js	js	10.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-react-web/__liferay__/exports/react.js	js	9.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/dynamic-data-mapping-form-field-type/__liferay__/api.js	js	11 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/fragment-impl/__liferay__/api.js	js	15 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…or5-word-count$dist$index.js.js	js	10.3 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…editor5-widget$dist$index.js.js	js	49 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…itor5-watchdog$dist$index.js.js	js	16.7 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-editor-ckeditor…editor5-upload$dist$index.js.js	js	8.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…ckeditor5-undo$dist$index.js.js	js	16.9 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-editor-ckeditor…source-editing$dist$index.js.js	js	15.3 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-editor-ckeditor…tor5-paragraph$dist$index.js.js	js	12.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…or5-page-break$dist$index.js.js	js	11.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-editor-ckeditor…ditor5-minimap$dist$index.js.js	js	18.3 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-editor-ckeditor…ditor5-heading$dist$index.js.js	js	25.3 KB	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-js-dependencies…/@liferay$js-api$data-set.js	js	675 B	2026-10-07	2026-10-07
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https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$tooltip.js	js	9.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$time-picker.js	js	7.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$tabs.js	js	4.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$table.js	js	2.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$slider.js	js	3.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$sticker.js	js	1.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$shared.js	js	26 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$provider.js	js	2.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$progress-bar.js	js	4.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$panel.js	js	4.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$popover.js	js	4.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$pagination-bar.js	js	5.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$pagination.js	js	5.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$navigation-bar.js	js	6.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$nav.js	js	3.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$multi-step-nav.js	js	5.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$multi-select.js	js	10.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$management-toolbar.js	js	2.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$modal.js	js	11.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$localized-input.js	js	3.2 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$loading-indicator.js	js	1.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$list.js	js	8.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$link.js	js	2.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$layout.js	js	5.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$label.js	js	2.7 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$icon.js	js	2.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$form.js	js	12.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$empty-state.js	js	2.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$drop-down.js	js	21.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$date-picker.js	js	128.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$data-provider.js	js	8.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$core.js	js	104.8 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$color-picker.js	js	28.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__liferay__/exports/@clayui$card.js	js	12.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$button.js	js	4.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$breadcrumb.js	js	4.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$badge.js	js	1.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/@clayui$autocomplete.js	js	13.4 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/frontend-js-clay-web/__l…/exports/@clayui$alert.js	js	3.9 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o/oauth2-provider-web/__liferay__/client.js	js	4.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/user-area?section=favorites	html	145.1 KB	2026-10-07	2026-10-07
https://www.laufen.cz/prodejni-mista	html	178.6 KB	2026-10-07	2026-10-07
https://www.laufen.cz/o-nas	html	125.5 KB	2026-10-07	2026-10-07
https://www.laufen.cz/	html	240 KB	2026-10-07	2026-10-07
https://www.laufen.cz/news-stories	html	197.7 KB	2026-10-07	2026-10-07

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.

2026-10-07 first crawl

5 pages, 156 files, 6.1 MB; 47 libraries, 2 identifiers, 20 third-party hosts
47 libraries added
- gtm
- vue-color 3.3.3
- @wix/design-system 1.328.0
- @release0/js 1.2.0
- ckeditor5 48.5.2
- @finsweet/attributes 2.7.1
- es-toolkit 1.52.0
- @waniwani/sdk 0.21.3
- molstar 5.11.0
- @laburen/embeds 1.0.237
- @marimo-team/frontend 0.25.0
- botframework-webchat 4.19.1
- and 35 more
2 identifiers added
- GTM-PC3QMN6J Google Tag Manager container
- GTM-5V2F45 Google Tag Manager container
20 third-party hosts added
- cdn.cookielaw.org
- www.googletagmanager.com
- maps.googleapis.com
- unpkg.com
- www.w3.org
- clay.data.provider
- api.ckbox.io
- cdn.ckeditor.com
- example.com
- www.dailymotion.com
- open.spotify.com
- www.youtube.com
- and 8 more
156 files added

Questions about laufen.cz

How does PageSourceSearch know what laufen.cz 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 laufen.cz 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 laufen.cz?: 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 laufen.cz?: 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.