How does PageSourceSearch know what brearley.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 brearley.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 brearley.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 brearley.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

brearley.org

Built with hls.js, @wix/design-system 1.328.0, @swarmcloud/hls 2.18.0, dashjs, scandit-sdk 5.15.0, swagger-ui-dist 5.33.0, @mux/mux-player, in-renderer-js 1.2.3, @feathery/react 2.96.0, facebook-sdk, @reachfive/identity-ui 2.1.0, flv.js and more. 5 pages and 189 stored files, last crawled 2026-10-02.

rank 1,148,056 25 libraries 0 identifiers 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
hls.js		2026-10-02
@wix/design-system	1.328.0	2026-10-02
@swarmcloud/hls	2.18.0	2026-10-02
dashjs		2026-10-02
scandit-sdk	5.15.0	2026-10-02
swagger-ui-dist	5.33.0	2026-10-02
@mux/mux-player		2026-10-02
in-renderer-js	1.2.3	2026-10-02
@feathery/react	2.96.0	2026-10-02
facebook-sdk		2026-10-02
@reachfive/identity-ui	2.1.0	2026-10-02
flv.js		2026-10-02
paymob-pixel	1.2.7	2026-10-02
vimeo-player		2026-10-02
@tolgee/web	7.2.1	2026-10-02
venom-player	0.2.92	2026-10-02
@sledge-app/js	2.0.114	2026-10-02
@crystaldesign/diva-web-planner-react	26.11.0	2026-10-02
@accusoft/pdf-viewer	3.11.158639	2026-10-02
@okta/okta-signin-widget	7.49.1	2026-10-02
@gradio/lite	5.45.0	2026-10-02
@solace-health/solace-entry-widget	2.0.5	2026-10-02
@cognigy/webchat	3.50.0	2026-09-25
formiojs	4.21.7	2026-09-25
scanbot-web-sdk	9.0.0	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 brearley.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
aomedia.org	connect	view source
api.dmcdn.net	connect	view source
app.blackbaud.com	connect	view source
bbox.blackbaudhosting.com	connect	view source
cdn.embed.ly	connect	view source
cdn.jsdelivr.net	connect	view source
cdnjs.cloudflare.com	connect	view source
connect.facebook.net	connect	view source
fast.wistia.com	connect	view source
noembed.com	connect	view source
play.vidyard.com	connect	view source
player.twitch.tv	connect	view source
player.vimeo.com	connect	view source
reactjs.org	connect	view source
site-api.datocms.com	connect	view source
sky.blackbaudcdn.net	connect	view source
streamable.com	connect	view source
videodelivery.net	connect	view source
w.soundcloud.com	connect	view source
widget.mixcloud.com	connect	view source
www.google.com	connect	view source
www.googletagmanager.com	iframe connect	view source
www.mixcloud.com	connect	view source
www.w3.org	connect	view source
www.youtube-nocookie.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 189) }. 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.jsdelivr.net/npm/@mux/mux-player@VERSION/dist/mux-player.mjs	js library	not fetched	2026-10-02	current
https://cdn.jsdelivr.net/npm/flv.js@VERSION/dist/flv.min.js	js library	not fetched	2026-10-02	current
https://cdn.jsdelivr.net/npm/hls.js@VERSION/dist/hls.min.js	js library	not fetched	2026-10-02	current
https://cdnjs.cloudflare.com/ajax/libs/dashjs/VERSION/dash.all.min.js	js library	not fetched	2026-10-02	current
https://connect.facebook.net/en_US/sdk.js	js library	not fetched	2026-10-02	current
https://player.vimeo.com/api/player.js	js library	not fetched	2026-10-02	current
https://www.brearley.org/6731-d1da6f28d91338a37d95.js	js	70.6 KB	2026-10-02	current
https://www.brearley.org/4843-8b11a5c8ab853b9cc1fe.js	js library	3 KB	2026-10-02	current
https://www.brearley.org/2954-e570ee1ab15e8ce91b00.js	js	3.6 KB	2026-10-02	current
https://www.brearley.org/49d752a6-15664c73cce17f600dfc.js	js	3.9 KB	2026-10-02	current
https://www.brearley.org/component---src-templat…age-tsx-a0d81440feeee91e354b.js	js	521 B	2026-10-02	current
https://www.brearley.org/d61e4e68-32122227367ee9c3167c.js	js	1.8 KB	2026-10-02	current
https://www.brearley.org/eb32526b-b0bc9cce79a536216d99.js	js	2.1 KB	2026-10-02	current
https://www.brearley.org/component---src-templat…age-tsx-c08d93f1e871e4c5919f.js	js	497 B	2026-10-02	current
https://www.brearley.org/component---src-pages-404-tsx-f923f981b6fa0272704a.js	js	759 B	2026-10-02	current
https://www.brearley.org/component---src-templat…ion-tsx-27ea690bdcaa99b3f626.js	js	7 KB	2026-10-02	current
https://www.brearley.org/657abf60-0b2e590a53a86fba9201.js	js	1.9 KB	2026-10-02	current
https://www.brearley.org/reactPlayerVidyard-045c521f9ed7db99a355.js	js	2.5 KB	2026-10-02	current
https://www.brearley.org/component---src-templat…age-tsx-d30f5e8b114cb3fc08bb.js	js	827 B	2026-10-02	current
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https://www.brearley.org/reactPlayerPreview-e4ce7760e41360492661.js	js	2.7 KB	2026-10-02	current
https://www.brearley.org/reactPlayerDailyMotion-f6e352a5cd37c708a1f4.js	js	2.6 KB	2026-10-02	current
https://www.brearley.org/component---src-templat…age-tsx-45feef285f1af1b84d89.js	js	513 B	2026-10-02	current
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https://www.brearley.org/reactPlayerTwitch-ccd86341084929b5c1bc.js	js	2.7 KB	2026-10-02	current
https://www.brearley.org/component---src-templat…age-tsx-1258bb46e13dbc610e28.js	js	560 B	2026-10-02	current
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https://www.brearley.org/reactPlayerSoundCloud-efefbf8207e4d1009952.js	js	2.6 KB	2026-10-02	current
https://www.brearley.org/reactPlayerFilePlayer-f7245b5d6bb81ba3b037.js	js	8.6 KB	2026-10-02	current
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https://www.brearley.org/257e8032-b1718feff1120652c712.js	js	537 B	2026-10-02	current
https://www.brearley.org/90cba634-0523f73b38f23ac52a5c.js	js	612 B	2026-10-02	current
https://www.brearley.org/framework-b88a555c110966004842.js	js	138 KB	2026-10-02	current
https://www.brearley.org/webpack-runtime-01498d58836c4969f9ac.js	js	10.4 KB	2026-10-02	current
https://www.brearley.org/our-people/	html	833.4 KB	2026-10-02	current
https://www.brearley.org/welcome-to-brearley/	html	834 KB	2026-10-02	current
https://www.brearley.org/contact/	html	779.8 KB	2026-10-02	current
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https://www.brearley.org/	html	1.1 MB	2026-10-02	2026-10-02

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, 189 files, 6.1 MB; 22 libraries, 0 identifiers, 26 third-party hosts
22 libraries added
- @solace-health/solace-entry-widget 2.0.5
- @reachfive/identity-ui 2.1.0
- swagger-ui-dist 5.33.0
- @sledge-app/js 2.0.114
- @tolgee/web 7.2.1
- @feathery/react 2.96.0
- paymob-pixel 1.2.7
- in-renderer-js 1.2.3
- @swarmcloud/hls 2.18.0
- @gradio/lite 5.45.0
- @accusoft/pdf-viewer 3.11.158639
- @okta/okta-signin-widget 7.49.1
- and 10 more
27 third-party hosts added
189 files added

Questions about brearley.org

How does PageSourceSearch know what brearley.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 brearley.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 brearley.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 brearley.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.