How does PageSourceSearch know what arextest.com 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 arextest.com 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 arextest.com?

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 arextest.com?

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

arextest.com

Built with gtag, webpack, @clerk/ui 1.34.0, @findify/bundle 7.1.108, prismjs 1.30.0, dashjs 5.2.1, @tensorflow/tfjs 4.22.0, @inkeep/cxkit-js 0.5.119, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, oidc-client 1.11.5 and more. 3 pages and 179 stored files, last crawled 2026-10-03.

rank 1,897,666 39 libraries 1 identifier 46 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
gtag		2026-10-03
webpack		2026-10-03
@clerk/ui	1.34.0	2026-10-03
@findify/bundle	7.1.108	2026-10-03
prismjs	1.30.0	2026-10-03
dashjs	5.2.1	2026-10-03
@tensorflow/tfjs	4.22.0	2026-10-03
@inkeep/cxkit-js	0.5.119	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
oidc-client	1.11.5	2026-10-03
exceljs	4.4.0	2026-10-03
paulirish/lite-youtube-embed		2026-10-03
@widgetbot/crate	3.9.1	2026-10-03
lunr	2.3.9	2026-10-03
supafolio-sdk	1.4.1	2026-10-03
ovenplayer	0.10.54	2026-10-03
webtorrent	3.0.21	2026-10-03
graphql-playground-react	1.7.28	2026-10-03
@vitest/utils	5.0.2	2026-10-03
docs-searchbar.js	2.5.0	2026-10-03
@recogito/annotorious	2.7.14	2026-10-03
@johanaarstein/dotlottie-player	1.5.23	2026-10-03
replaywebpage	2.5.3	2026-10-03
@pdftron/pdfjs-express-viewer	8.7.5	2026-10-03
@memori.ai/memori-webcomponent	8.3.3	2026-10-03
@collectionspace/cspace-public-browser	4.0.0	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
@widgetti/solara-vuetify-app	10.1.1	2026-10-03
@linways/table-to-excel	1.0.4	2026-10-03
@formbird/angular-elements	8.5.10	2026-10-03
machinelearn	2.1.5	2026-10-03
@wix/image	1.454.0	2026-10-03
@chativa/connector-directline	0.15.0	2026-10-03
coherentpdf	2.5.5	2026-10-03
swr	2.5.1	2026-09-25

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 Analytics 4 measurement id (Google)	G-9EPN49N3ZJ	view source

Third-party hosts

Hosts outside arextest.com 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
arexcommunity.slack.com	connect	view source
arextest.github.io	connect	view source
avatars.githubusercontent.com	connect	view source
bugreport.sun.com	connect	view source
bytebuddy.net	connect	view source
cdn.jsdelivr.net	connect	view source
chrome.google.com	connect	view source
dev-to-uploads.s3.amazonaws.com	connect	view source
developers.google.com	connect	view source
docs.aws.amazon.com	connect	view source
docs.oracle.com	connect	view source
docusaurus.io	connect	view source
fonts.googleapis.com	connect	view source
gitee.com	connect	view source
github.com	connect	view source
groups.google.com	connect	view source
java.oracle.com	connect	view source
js.sentry-cdn.com	script	view source
oscimg.oschina.net	connect	view source
react.dev	connect	view source
reactjs.org	connect	view source
s01.oss.sonatype.org	connect	view source
schema.org	connect	view source
shunsh.sffix.cn	connect	view source
static.hotjar.com	connect	view source
trip.com	connect	view source
twitter.com	connect	view source
use.typekit.net	connect	view source
webplatform.github.io	connect	view source
webresource.c-ctrip.com	connect	view source
www.apache.org	connect	view source
www.example.com	connect	view source
www.g7e6.com.cn	connect	view source
www.google.com	connect	view source
www.googletagmanager.com	script connect	view source
www.h2database.com	connect	view source
www.lexin.com	connect	view source
www.linkedcare.cn	connect	view source
www.united-imaging.com	connect	view source
www.w3.org	connect	view source
www.xingyungroup.com	connect	view source
www.xyd.cn	connect	view source
www.yeahka.com	connect	view source
xie.infoq.cn	connect	view source
your-docusaurus-test-site.com	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 179) }. 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/gh/paulirish/lite-youtu…/src/lite-yt-embed.js	js library	not fetched	2026-10-03	current
https://docs.arextest.com/assets/js/9592.6e0f0676.js	js	55.5 KB	2026-10-03	current
https://www.googletagmanager.com/gtag/js?id=G-404GYTL89K	js library	not fetched	2026-10-03	current
https://www.googletagmanager.com/gtag/js?id=G-9EPN49N3ZJ	js library	not fetched	2026-10-03	current
https://docs.arextest.com/assets/js/8855.bf9bfc5d.js	js	92 B	2026-10-03	current
https://docs.arextest.com/assets/js/4108.cd59412b.js	js	8.6 KB	2026-10-03	current
https://docs.arextest.com/assets/js/2426.c536556f.js	js	27.7 KB	2026-10-03	current
https://docs.arextest.com/assets/js/1011.ddb2886b.js	js	1.1 KB	2026-10-03	current
https://docs.arextest.com/assets/js/f48cabb1.410fcb20.js	js	60.5 KB	2026-10-03	current
https://docs.arextest.com/assets/js/307bb389.d11141a4.js	js	191 B	2026-10-03	current
https://docs.arextest.com/assets/js/4436a539.b1e33ecc.js	js	253 B	2026-10-03	current
https://docs.arextest.com/assets/js/14eb3368.db7cf2dc.js	js	9.5 KB	2026-10-03	current
https://docs.arextest.com/assets/js/41cbe96e.56a55a25.js	js	26.2 KB	2026-10-03	current
https://docs.arextest.com/assets/js/c1e7f6c4.0a88c212.js	js	269 B	2026-10-03	current
https://docs.arextest.com/assets/js/70842f14.140158c8.js	js	4.8 KB	2026-10-03	current
https://docs.arextest.com/assets/js/0e384e19.c62be73f.js	js	14.7 KB	2026-10-03	current
https://docs.arextest.com/assets/js/412ae49c.3737f899.js	js	243 B	2026-10-03	current
https://docs.arextest.com/assets/js/86647ff3.242b6321.js	js	9.1 KB	2026-10-03	current
https://docs.arextest.com/assets/js/1be78505.063c7cbf.js	js	12.3 KB	2026-10-03	current
https://docs.arextest.com/assets/js/47747cd5.bab581c7.js	js	6.6 KB	2026-10-03	current
https://docs.arextest.com/assets/js/d39ad300.981960c1.js	js	7.1 KB	2026-10-03	current
https://docs.arextest.com/assets/js/c2933043.b1983edc.js	js	25.3 KB	2026-10-03	current
https://docs.arextest.com/assets/js/48797c1a.dca22bed.js	js	18.2 KB	2026-10-03	current
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https://docs.arextest.com/assets/js/52591779.0888284d.js	js	440 B	2026-10-03	current
https://docs.arextest.com/assets/js/ba7586c5.384fcbbd.js	js	19.1 KB	2026-10-03	current
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https://docs.arextest.com/assets/js/40fcf046.14e8d6c1.js	js	11 KB	2026-10-03	current
https://docs.arextest.com/assets/js/6875c492.5b1f2c4d.js	js	2.6 KB	2026-10-03	current
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https://docs.arextest.com/assets/js/15b6b1af.9407ef27.js	js	188 B	2026-10-03	current
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https://docs.arextest.com/assets/js/f907ac2c.5f105a00.js	js	426 B	2026-10-03	current
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https://arextest.com/_next/static/chunks/551-953d02d9e906c578.js	js	123.1 KB	2026-10-03	current
https://docs.arextest.com/assets/js/main.36e35288.js	js	672.4 KB	2026-10-03	current
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https://arextest.com/	html	128.4 KB	2026-10-03	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.

2026-10-03 first crawl

3 pages, 179 files, 4 MB; 38 libraries, 1 identifier, 46 third-party hosts
38 libraries added
- gtag
- @vitest/utils 5.0.2
- @inkeep/cxkit-js 0.5.119
- @clerk/ui 1.34.0
- exceljs 4.4.0
- oidc-client 1.11.5
- tonweb 0.0.66
- machinelearn 2.1.5
- @accusoft/pdf-viewer 3.11.158639
- webtorrent 3.0.21
- coherentpdf 2.5.5
- replaywebpage 2.5.3
- and 26 more
1 identifier added
- G-9EPN49N3ZJ Google Analytics 4 measurement id
47 third-party hosts added
179 files added

Questions about arextest.com

How does PageSourceSearch know what arextest.com 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 arextest.com 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 arextest.com?: 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 arextest.com?: 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.