How does PageSourceSearch know what cfo.ai 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 cfo.ai 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 cfo.ai?

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 cfo.ai?

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

cfo.ai

Built with @finsweet/attributes 2.7.1, @clerk/ui 1.34.0, dashjs 5.2.1, @highlightjs/cdn-assets 11.12.0, posthog-js 1.434.12, facebook-pixel, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, @hellotext/hellotext 2.6.0, ag-grid-enterprise 36.2.0, linkedin-insight and more. 5 pages and 113 stored files, last crawled 2026-10-04.

rank 10,653,754 35 libraries 1 identifier 31 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
@finsweet/attributes	2.7.1	2026-10-04
@clerk/ui	1.34.0	2026-10-04
dashjs	5.2.1	2026-10-04
@highlightjs/cdn-assets	11.12.0	2026-10-04
posthog-js	1.434.12	2026-10-04
facebook-pixel		2026-10-04
@reachfive/identity-core	1.42.0	2026-10-04
@reachfive/identity-ui	2.1.0	2026-10-04
jspdf	4.2.1	2026-10-04
@hellotext/hellotext	2.6.0	2026-10-04
ag-grid-enterprise	36.2.0	2026-10-04
linkedin-insight		2026-10-04
face-age	2.4.6	2026-10-04
@scalar/api-reference	1.71.0	2026-10-04
diff2html	3.4.56	2026-10-04
ovenplayer	0.10.54	2026-10-04
graphql-playground-react	1.7.28	2026-10-04
@recogito/annotorious	2.7.14	2026-10-04
franken-ui	2.1.2	2026-10-04
3dmol	2.5.5	2026-10-04
docusaurus-plugin-drawio	0.4.0	2026-10-04
@talkjs/web-components	0.3.9	2026-10-04
@teipublisher/pb-components	3.6.8	2026-10-04
dmn-js	17.12.0	2026-10-04
@ant-design/x	2.9.0	2026-10-04
@tsocial/tvweb-sdk	5.38.6	2026-10-04
@inkeep/agents-ui-js-cloud	0.17.8	2026-10-04
@formbird/angular-elements	8.5.10	2026-10-04
@joyfill/components	4.0.0-rc26	2026-10-04
@recogito/annotorious-openseadragon	2.7.19	2026-10-04
@story-telling-reporter/react-embed-code-generator	2.2.20	2026-10-04
flowbitz	2.4.5	2026-10-04
@pyscript/core	0.7.31	2026-10-04
@limetech/lime-elements	40.5.1	2026-10-04
ag-grid-charts-enterprise	32.3.5	2026-10-04

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
Facebook domain verification (Meta)	e9y1e4authgor2xfd50uhank9bl9r4	view source

Third-party hosts

Hosts outside cfo.ai 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.klipy.com	connect	view source
app.posthog.com	connect	view source
cdn.jsdelivr.net	connect	view source
connect.facebook.net	connect	view source
d20xtzwzcl0ceb.cloudfront.net	connect	view source
d3uc069fcn7uxw.cloudfront.net	connect	view source
ddwl4m2hdecbv.cloudfront.net	connect	view source
docs.datadoghq.com	connect	view source
github.com	connect	view source
models.dev	connect	view source
mv3.runwaydev.com	connect	view source
purl.org	connect	view source
react.dev	connect	view source
reactjs.org	connect	view source
schemas.microsoft.com	connect	view source
schemas.openxmlformats.org	connect	view source
sentry.io	connect	view source
snap.licdn.com	connect	view source
us.i.posthog.com	connect	view source
us.posthog.com	connect	view source
va.vercel-scripts.com	connect	view source
vercel.live	connect	view source
vitals.vercel-insights.com	connect	view source
www.ag-grid.com	connect	view source
www.datad0g-browser-agent.com	connect	view source
www.datadoghq-browser-agent.com	connect	view source
www.googletagmanager.com	connect	view source
www.linkedin.com	connect	view source
www.redditstatic.com	connect	view source
www.w3.org	connect	view source
yandex.com	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 113) }. 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
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https://snap.licdn.com/li.lms-analytics/insight.min.js	js library	not fetched	2026-10-04	2026-10-04
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https://app.cfo.ai/_next/static/chunks/eae45171-ea89437dd2d4b22f.js	js	95.3 KB	2026-10-04	2026-10-04
https://app.cfo.ai/_next/static/chunks/bdd1980e-cd960421d558ee10.js	js	86.7 KB	2026-10-04	2026-10-04
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https://cfo.ai/blog	html	217.1 KB	2026-10-04	2026-10-04
https://cfo.ai/pricing	html	123.2 KB	2026-10-04	2026-10-04
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https://cfo.ai/	html	382.7 KB	2026-10-04	2026-10-04

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.

2026-10-04 first crawl

5 pages, 113 files, 12 MB; 35 libraries, 1 identifier, 31 third-party hosts
35 libraries added
- @inkeep/agents-ui-js-cloud 0.17.8
- @clerk/ui 1.34.0
- @ant-design/x 2.9.0
- flowbitz 2.4.5
- face-age 2.4.6
- jspdf 4.2.1
- @reachfive/identity-core 1.42.0
- @recogito/annotorious 2.7.14
- dashjs 5.2.1
- @reachfive/identity-ui 2.1.0
- ovenplayer 0.10.54
- graphql-playground-react 1.7.28
- and 23 more
1 identifier added
- e9y1e4authgor2xfd50uhank9bl9r4 Facebook domain verification
31 third-party hosts added
- react.dev
- www.w3.org
- vercel.live
- va.vercel-scripts.com
- www.googletagmanager.com
- us.posthog.com
- ddwl4m2hdecbv.cloudfront.net
- www.linkedin.com
- github.com
- reactjs.org
- yandex.com
- sentry.io
- and 19 more
113 files added

Questions about cfo.ai

How does PageSourceSearch know what cfo.ai 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 cfo.ai 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 cfo.ai?: 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 cfo.ai?: 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.