How does PageSourceSearch know what ligueparis.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 ligueparis.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 ligueparis.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 ligueparis.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

ligueparis.org

Built with select2 4.1.0, @popperjs/core 2.11.8, @clerk/ui 1.34.0, chart.js 4.5.1, jquery-ui 1.14.2, sortablejs 1.15.7, tippy.js 6.3.7, posthog-js 1.434.12, recaptcha, jquery-ui-dist 1.13.3, @silvermine/videojs-quality-selector 1.3.1, twitter-widgets and more. 5 pages and 127 stored files, last crawled 2026-10-02.

rank 538,066 44 libraries 1 identifier 26 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
select2	4.1.0	2026-10-02
@popperjs/core	2.11.8	2026-10-02
@clerk/ui	1.34.0	2026-10-02
chart.js	4.5.1	2026-10-02
jquery-ui	1.14.2	2026-10-02
sortablejs	1.15.7	2026-10-02
tippy.js	6.3.7	2026-10-02
posthog-js	1.434.12	2026-10-02
recaptcha		2026-10-02
jquery-ui-dist	1.13.3	2026-10-02
@silvermine/videojs-quality-selector	1.3.1	2026-10-02
twitter-widgets		2026-10-02
@brainfish-ai/web-tracker	0.0.33	2026-10-02
dygraphs	2.2.2	2026-10-02
jsxgraph	1.13.3	2026-10-02
jquery.fancytree	2.38.5	2026-10-02
@feedmepos/mf-report	5.29.2	2026-10-02
@govbr-ds/core	3.7.0	2026-10-02
@jupyter-widgets/html-manager	1.0.15	2026-10-02
bootstrap-fileinput	5.5.4	2026-10-02
jquery.flipster	1.1.6	2026-10-02
@vitest/utils	5.0.2	2026-10-02
mammoth-plus	2.0.2	2026-10-02
cropper	4.1.0	2026-10-02
@flarehr/salpac-cars-calculator	1.0.1728	2026-10-02
select-woo	1.0.1	2026-10-02
djibe-material	4.6.2-1.0	2026-10-02
@feedmepos/ui-library	1.10.17	2026-10-02
wonder-image	2.1.2-alpha.4	2026-10-02
@gaia-project/viewer	5.12.0	2026-10-02
@unbabel/ui	5.19.0	2026-10-02
@lanyundev/blog-static	1.4.18	2026-10-02
@grigorov-it/mazer	2.2.0	2026-10-02
@bmlt-enabled/croutonjs	4.3.3	2026-10-02
hexo-theme-redefine	2.9.0	2026-10-02
@limetech/lime-elements	40.5.1	2026-10-02
flatpickr	4.6.13	2026-09-24
moment	2.31.0	2026-09-24
kore-web-sdk	11.28.1	2026-09-24
luckysheet	2.1.13	2026-09-24
json-db-admin	0.0.1	2026-09-24
unhead	3.4.1	2026-09-24
@pdftron/webviewer	12.1.0	2026-09-24
vex-js	4.1.0	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
Matomo site id (Matomo)	\#1	view source

Third-party hosts

Hosts outside ligueparis.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
assets.calendly.com	connect	view source
cdn.elementor.com	script	view source
connect.facebook.net	connect	view source
connect.ok.ru	connect	view source
cse.google.com	connect	view source
fonts.bunny.net	stylesheet	view source
fonts.googleapis.com	stylesheet	view source
getpocket.com	connect	view source
mail.google.com	connect	view source
malsup.github.io	connect	view source
pinterest.com	connect	view source
platform.twitter.com	connect	view source
player.vimeo.com	connect	view source
reddit.com	connect	view source
tumblr.com	connect	view source
twitter.com	connect	view source
vk.com	connect	view source
wa.me	connect	view source
web.skype.com	connect	view source
www.facebook.com	connect	view source
www.google.com	connect	view source
www.instagram.com	connect	view source
www.linkedin.com	connect	view source
www.w3.org	connect	view source
www.xing.com	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 127) }. 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://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.987.0205008c.js	js	481 B	2026-10-02	current
https://platform.twitter.com/widgets.js	js library	not fetched	2026-10-02	current
https://www.google.com/recaptcha/api.js?onload=b…captchaCallback&render=explicit	js library	not fetched	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.936.1d8716ee.js	js	54.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.919.5f5387f0.js	js	64.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.891.a2d7024f.js	js	685 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.850.e0224475.js	js	736 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.844.ad870115.js	js	8.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.836.5cbf41ae.js	js	7.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.833.2f1ff1f8.js	js	9.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.730.1732a763.js	js	46.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.692.267dd2c1.js	js	43.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.707.2f1f3dc3.js	js	2.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.680.e35a659e.js	js	1.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.434.021069a0.js	js	59 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.385.bcd5a619.js	js	6.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.415.55fcebb4.js	js	1.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.323.782815be.js	js	64.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.310.68363a56.js	js	5.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.273.ec13f79f.js	js	835 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.205.3e36d816.js	js	516 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.14.8d884e97.js	js	13.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.132.489c9e71.js	js	1.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.130.6e551806.js	js	465 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/js/preview.pro.102.1b1dc62a.js	js	1.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.942.ad213c2f.js	js	2.7 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.912.83ccc3c5.js	js	1.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.865.b38f5677.js	js	63.2 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.849.feebe785.js	js	15.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.771.7a16764f.js	js	521 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.736.5b15f400.js	js	1.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.727.c71e7a88.js	js	852 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.724.6fb9ea81.js	js	1009 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.718.d9107cf6.js	js	60.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.702.a84d3ebc.js	js	1.7 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.646.34f8c14d.js	js	13.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.680.48122cb7.js	js	1.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.604.8b3689e4.js	js	807 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.603.4c9bc41a.js	js	1.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.587.3e84a223.js	js	2.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.584.5696f96a.js	js	61.2 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.51.bc899f6a.js	js	5.2 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.481.93a640b1.js	js	10.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.47.766268a1.js	js	546 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.458.7517083e.js	js	831 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.455.90346628.js	js	72.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.37.e925b318.js	js	76.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.440.8d6098f7.js	js	488 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.326.857bedb2.js	js	60.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.318.22fa5312.js	js	17.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.295.a9b174fd.js	js	66.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.288.78c3f9f1.js	js	1.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.265.3ddfabd0.js	js	1.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.243.b2d04026.js	js	61.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.218.f2e12c61.js	js	3.7 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.215.047ec845.js	js	1.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.139.b8ad6975.js	js	1.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.143.8cde747f.js	js	89.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/libs/pickadate/picker.js	js	37.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy-…/preview.pro.min.js?ver=244-wp	js	6.2 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/preview.min.js?ver=375-wp	js	8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/brizy/…/js/group-1_3.min.js?ver=375-wp	js	197.8 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/um-account.min.js?ver=2.14.0	js	2.8 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/um-profile.min.js?ver=2.14.0	js	3.4 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/um-scripts.min.js?ver=2.14.0	js	11.8 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/raty/um-raty.min.js?ver=2.6.0	js	8.9 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/select2/i18n/fr.js?ver=4.0.13	js library	924 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/select2.full.min.js?ver=4.0.13	js	77.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…m-conditional.min.js?ver=2.14.0	js	9.5 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…um-responsive.min.js?ver=2.14.0	js	384 B	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/um-functions.min.js?ver=2.14.0	js	12.3 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…ery.uploadfile.min.js?ver=3.1.2	js	9.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/jquery-form.min.js?ver=2.14.0	js	14.1 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/js/um-modal.min.js?ver=2.14.0	js	4.8 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…mmon-frontend.min.js?ver=2.14.0	js	2 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/cropper.min.js?ver=1.6.1	js	36.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/js/common.min.js?ver=2.14.0	js	2.7 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/fr_FR.min.js?ver=3.6.2	js	731 B	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/picker.time.min.js?ver=3.6.2	js	8.7 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/picker.date.min.js?ver=3.6.2	js	12.3 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/picker.min.js?ver=3.6.2	js library	8.1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/um-notice.min.js?ver=1.0	js	1 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/um-confirm.min.js?ver=1.0	js	2.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/tipsy/tipsy.min.js?ver=1.0.0a	js	4.3 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/wp-util.min.js?ver=7.1.2	js	1.4 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/underscore.min.js?ver=1.13.8	js	18.6 KB	2026-10-02	current
https://ligueparis.org/wp-content/themes/generat…/js/menu.min.js?ver=3.6.1	js	7.2 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/wpfron…roll-top.min.js?ver=3.0.1.09211	js	1.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/pojo-a…?ver=dd3d6ae95e727956a431	js	10 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/dist/i18n.min.js?ver=1dfe7db3940c23ea9216	js	5.7 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/pojo-a…?ver=dd3d6ae95e727956a431	js	50.3 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/dist/hooks.min.js?ver=f0f188028580e8dc1255	js	5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/ultima…/js/um-gdpr.min.js?ver=2.14.0	js	388 B	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/events…/chart.umd.min.js?ver=7.4.5	js library	197 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/helloa…hello-asso-public.js?ver=1.1.24	js	1.3 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/dist/vendor/moment.min.js?ver=2.30.1	js library	57.4 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/events…/flatpickr/l10n/fr.js?ver=7.4.5	js library	1.9 KB	2026-10-02	current
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https://ligueparis.org/wp-includes/js/jquery/ui/dialog.min.js?ver=1.14.2	js library	12.9 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/button.min.js?ver=1.14.2	js library	6 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/checkboxradio.min.js?ver=1.14.2	js	4.2 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/controlgroup.min.js?ver=1.14.2	js library	4.3 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/draggable.min.js?ver=1.14.2	js library	17.9 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/resizable.min.js?ver=1.14.2	js library	19 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/datepicker.min.js?ver=1.14.2	js	35.9 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/sortable.min.js?ver=1.14.2	js library	24.7 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/mouse.min.js?ver=1.14.2	js library	3.2 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/ui/core.min.js?ver=1.14.2	js library	18.2 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/jquery-migrate.min.js?ver=3.4.1	js	13.3 KB	2026-10-02	current
https://ligueparis.org/wp-includes/js/jquery/jquery.min.js?ver=3.7.1	js library	85.5 KB	2026-10-02	current
https://ligueparis.org/wp-content/plugins/cookie…/js/front.min.js?ver=3.1.12	js	8.9 KB	2026-10-02	current
https://ligueparis.org/nous-connaitre/notre-projet/	html	686.7 KB	2026-10-02	2026-10-02
https://ligueparis.org/nous-connaitre/notre-histoire/	html	674.7 KB	2026-10-02	2026-10-02
https://ligueparis.org/nous-connaitre/	html	656.3 KB	2026-10-02	2026-10-02
https://ligueparis.org/contact/	html	616.9 KB	2026-10-02	2026-10-02
https://ligueparis.org/	html	769.7 KB	2026-10-02	2026-10-02
https://ligueparis.org/wp-content/plugins/ultima…/um-account.min.js?ver=2.13.1	js	2.8 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/um-profile.min.js?ver=2.13.1	js	3.4 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/um-scripts.min.js?ver=2.13.1	js	12.1 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…m-conditional.min.js?ver=2.13.1	js	9.5 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…um-responsive.min.js?ver=2.13.1	js	384 B	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/um-functions.min.js?ver=2.13.1	js	12.3 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/jquery-form.min.js?ver=2.13.1	js	14.1 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/js/um-modal.min.js?ver=2.13.1	js	4.8 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…mmon-frontend.min.js?ver=2.13.1	js	2 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/js/common.min.js?ver=2.13.1	js	2.7 KB	2026-09-24	current
https://ligueparis.org/wp-content/plugins/ultima…/js/um-gdpr.min.js?ver=2.13.1	js	388 B	2026-09-24	current

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, 116 files, 5.9 MB; 36 libraries, 1 identifier, 26 third-party hosts
36 libraries added
- @vitest/utils 5.0.2
- jquery.flipster 1.1.6
- @grigorov-it/mazer 2.2.0
- jsxgraph 1.13.3
- jquery.fancytree 2.38.5
- jquery-ui-dist 1.13.3
- jquery-ui 1.14.2
- dygraphs 2.2.2
- @lanyundev/blog-static 1.4.18
- @popperjs/core 2.11.8
- tippy.js 6.3.7
- sortablejs 1.15.7
- and 24 more
1 identifier added
- \#1 Matomo site id
26 third-party hosts added
- cdn.elementor.com
- fonts.googleapis.com
- fonts.bunny.net
- www.w3.org
- malsup.github.io
- www.google.com
- www.facebook.com
- twitter.com
- www.linkedin.com
- pinterest.com
- reddit.com
- vk.com
- and 14 more
116 files added

Questions about ligueparis.org

How does PageSourceSearch know what ligueparis.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 ligueparis.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 ligueparis.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 ligueparis.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.