How does PageSourceSearch know what prepverse.vercel.app 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 prepverse.vercel.app 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 prepverse.vercel.app?

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 prepverse.vercel.app?

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

prepverse.vercel.app

Built with @popperjs/core 2.11.8, gtag, firebase 12.19.0, @findify/bundle 7.1.108, @miso.ai/client-sdk 1.13.1, @inkeep/cxkit-js 0.5.119, in-renderer-js 1.2.3, @feathery/react 2.96.0, recaptcha, @partslogic/ui 2.0.7, pouchdb 9.0.0, google-apis and more. 2 pages and 128 stored files, last crawled 2026-10-03.

39 libraries 2 identifiers 52 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
@popperjs/core	2.11.8	2026-10-03
gtag		2026-10-03
firebase	12.19.0	2026-10-03
@findify/bundle	7.1.108	2026-10-03
@miso.ai/client-sdk	1.13.1	2026-10-03
@inkeep/cxkit-js	0.5.119	2026-10-03
in-renderer-js	1.2.3	2026-10-03
@feathery/react	2.96.0	2026-10-03
recaptcha		2026-10-03
@partslogic/ui	2.0.7	2026-10-03
pouchdb	9.0.0	2026-10-03
google-apis		2026-10-03
twitter-widgets		2026-10-03
paymob-pixel	1.2.7	2026-10-03
@usesuperflow/toolbar	1.0.201	2026-10-03
@widgetbot/crate	3.9.1	2026-10-03
@vamlabs/vam-chatbot	0.1.82	2026-10-03
typesense-docsearch.js	3.4.1	2026-10-03
webex	3.12.0	2026-10-03
@opentok/client	2.35.2	2026-10-03
ant-design-vue	4.2.6	2026-10-03
@nanoporetech-digital/components	9.0.0	2026-10-03
@vitest/utils	5.0.2	2026-10-03
@algolia/algoliasearch-netlify-frontend	1.0.15	2026-10-03
@pdftron/pdfjs-express-viewer	8.7.5	2026-10-03
@memori.ai/memori-webcomponent	8.3.3	2026-10-03
ideogram	1.53.0	2026-10-03
@afosto/instant-search-widget	0.2.18	2026-10-03
@collectionspace/cspace-public-browser	4.0.0	2026-10-03
cil-dropin-components	1.2.10	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
@okta/okta-signin-widget	7.49.1	2026-10-03
peachy-booking-flow	1.11.6	2026-10-03
@limetech/lime-elements	40.5.1	2026-10-03
alist-web	3.55.0	2026-10-03
@wix/image	1.454.0	2026-10-03
@solace-health/solace-entry-widget	2.0.5	2026-10-03

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-JF4ZWKWVGC	view source
Intercom app id (Intercom)	m6xbwbzo	view source

Third-party hosts

Hosts outside prepverse.vercel.app 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.github.com	connect	view source
apis.google.com	connect	view source
canny.io	connect	view source
cdn.jsdelivr.net	stylesheet connect	view source
codesandbox.io	connect	view source
discord.gg	connect	view source
docusaurus.io	connect	view source
eastindiastory.com	connect	view source
example.crm.refine.dev	connect	view source
example.refine.dev	connect	view source
giscus.app	connect	view source
github-contributions-api.jogruber.de	connect	view source
github.com	connect	view source
hms-nikhil.netlify.app	connect	view source
i.redd.it	connect	view source
instagram.com	connect	view source
itbots.in	connect	view source
lcid.cc	connect	view source
leetcode.com	connect	view source
linkedin.com	connect	view source
miro.medium.com	connect	view source
netflix-clone-b1517.web.app	connect	view source
picoder.vercel.app	connect	view source
platform.twitter.com	script connect	view source
prepverse-leetcode-api.vercel.app	connect	view source
prepverse.github.io	connect	view source
reactjs.org	connect	view source
reddit.com	connect	view source
refine.ams3.cdn.digitaloceanspaces.com	connect	view source
s.refine.dev	connect	view source
s3-lc-upload.s3.amazonaws.com	connect	view source
schema.org	connect	view source
slorber-api-screenshot.netlify.app	connect	view source
telegram.me	connect	view source
twitter.com	connect	view source
upload.wikimedia.org	connect	view source
wa.me	connect	view source
webplatform.github.io	connect	view source
widget.kapa.ai	script connect	view source
www.algolia.com	connect	view source
www.andreafiori.net	connect	view source
www.enatyam.com	connect	view source
www.facebook.com	connect	view source
www.google.com	connect	view source
www.googletagmanager.com	script	view source
www.instagram.com	connect	view source
www.linkedin.com	connect	view source
www.python.org	connect	view source
www.reddit.com	connect	view source
www.w3.org	connect	view source
www.youtube.com	connect	view source
youtu.be	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 128) }. 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://apis.google.com/js/api.js	js library	not fetched	2026-10-03	2026-10-03
https://platform.twitter.com/widgets.js	js library	not fetched	2026-10-03	2026-10-03
https://www.google.com/recaptcha/api.js	js library	not fetched	2026-10-03	2026-10-03
https://www.google.com/recaptcha/enterprise.js?render=	js library	not fetched	2026-10-03	2026-10-03
https://www.googletagmanager.com/gtag/js?id=G-JF4ZWKWVGC	js library	not fetched	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/9200.b8c1d78c.js	js	22.1 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/8208.eecb8c40.js	js	8.1 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/8792.df6e501a.js	js	22.6 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/7784.34b320d3.js	js	4.3 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/6652.9bd4d72a.js	js	76.4 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/6076.21105da9.js	js	100.7 KB	2026-10-03	2026-10-03
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https://prepverse.vercel.app/assets/js/4634.9b450e87.js	js	194 B	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/4432.7b224d40.js	js library	34.2 KB	2026-10-03	2026-10-03
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https://prepverse.vercel.app/assets/js/195458ca.1d66b8fe.js	js	290 B	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/main.55012675.js	js	516.4 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/assets/js/runtime~main.7aa727d3.js	js	8.3 KB	2026-10-03	2026-10-03
https://prepverse.vercel.app/docs	html	280 B	2026-10-03	2026-10-03
https://prepverse.vercel.app/	html	101 KB	2026-10-03	2026-10-03

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

2 pages, 128 files, 8.5 MB; 39 libraries, 2 identifiers, 52 third-party hosts
39 libraries added
- gtag
- @vitest/utils 5.0.2
- @wix/image 1.454.0
- @usesuperflow/toolbar 1.0.201
- firebase 12.19.0
- @collectionspace/cspace-public-browser 4.0.0
- @ant-design/x 2.9.0
- @inkeep/cxkit-js 0.5.119
- @pdftron/pdfjs-express-viewer 8.7.5
- @widgetti/solara-vuetify-app 10.1.1
- @memori.ai/memori-webcomponent 8.3.3
- @findify/bundle 7.1.108
- and 27 more
2 identifiers added
- G-JF4ZWKWVGC Google Analytics 4 measurement id
- m6xbwbzo Intercom app id
55 third-party hosts added
128 files added

Questions about prepverse.vercel.app

How does PageSourceSearch know what prepverse.vercel.app 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 prepverse.vercel.app 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 prepverse.vercel.app?: 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 prepverse.vercel.app?: 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.