How does PageSourceSearch know what northwesternmutual.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 northwesternmutual.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 northwesternmutual.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 northwesternmutual.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

northwesternmutual.com

Built with swiper 6.7.0, @clerk/ui 1.34.0, lottie-web 5.13.0, dashjs 5.2.1, recaptcha, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, @widgetbot/crate 3.9.1, spirhal 4.5.0, tdesign-react 1.18.3, ovenplayer 0.10.54 and more. 5 pages and 204 stored files, last crawled 2026-10-09.

23 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
swiper	6.7.0	2026-10-09
@clerk/ui	1.34.0	2026-10-09
lottie-web	5.13.0	2026-10-09
dashjs	5.2.1	2026-10-09
recaptcha		2026-10-09
@reachfive/identity-core	1.42.0	2026-10-09
@reachfive/identity-ui	2.1.0	2026-10-09
jspdf	4.2.1	2026-10-09
@widgetbot/crate	3.9.1	2026-10-09
spirhal	4.5.0	2026-10-09
tdesign-react	1.18.3	2026-10-09
ovenplayer	0.10.54	2026-10-09
graphql-playground-react	1.7.28	2026-10-09
@recogito/annotorious	2.7.14	2026-10-09
@johanaarstein/dotlottie-player	1.5.23	2026-10-09
@tulipnpm/timekit_project_selector	2.1.4	2026-10-09
@pdftron/webviewer	12.1.0	2026-10-09
@betterbugs/web-sdk	0.0.47	2026-10-09
@formio/js	5.6.1	2026-10-09
@formbird/angular-elements	8.5.10	2026-10-09
@joyfill/components	4.0.0-rc26	2026-10-09
@story-telling-reporter/react-embed-code-generator	2.2.20	2026-10-09
veris-storybook-beta	0.1.81-react-upgrade	2026-10-09

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 site verification (Google)	L-0rab9xqBqLkdhmyeIErNZSuDpljnE-5lHbudU0Ovg	view source

Third-party hosts

Hosts outside northwesternmutual.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
acl.gov	connect	view source
apps.apple.com	connect	view source
assets.adobedtm.com	script connect	view source
brokercheck.finra.org	connect	view source
cdn.heapanalytics.com	connect	view source
connect.rightprospectus.com	connect	view source
consumerrightsrequest.nm.com	connect	view source
d3js.org	connect	view source
dfinview.com	connect	view source
github.com	connect	view source
globalprivacycontrol.org	connect	view source
instagram.com	connect	view source
js-cdn.dynatrace.com	script connect	view source
live.euronext.com	connect	view source
maps.google.com	connect	view source
maps.googleapis.com	connect	view source
media.nmfn.com	connect	view source
nms605.karngroup.com	connect	view source
play.google.com	connect	view source
privacyportal-na01.onetrust.com	connect	view source
reactjs.org	connect	view source
schema.org	connect	view source
totalbanksolutions.com	connect	view source
twitter.com	connect	view source
unpkg.com	connect	view source
use.typekit.net	stylesheet connect	view source
vlunttrn.nmfn.com	connect	view source
www.acli.com	connect	view source
www.annualcreditreport.com	connect	view source
www.consumer.ftc.gov	connect	view source
www.dhs.state.il.us	connect	view source
www.facebook.com	connect	view source
www.finra.org	connect	view source
www.forbes.com	connect	view source
www.google.com	script connect	view source
www.irs.gov	connect	view source
www.linkedin.com	connect	view source
www.nhlbi.nih.gov	connect	view source
www.orderroutingdisclosure.com	connect	view source
www.pewresearch.org	connect	view source
www.sec.gov	connect	view source
www.sipc.org	connect	view source
www.thescanfoundation.org	connect	view source
www.w3.org	connect	view source
www.whatcarecosts.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 204) }. 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://unpkg.com/[email protected]/swiper-bundle.min.js	js library	not fetched	2026-10-09	2026-10-09
https://www.google.com/recaptcha/api.js?onload=onloadCallback&render=	js library	not fetched	2026-10-09	2026-10-09
https://www.google.com/recaptcha/api.js?onload=o…AAAAH5PukGUxA8sfcS4GhFvd6fPyr8e	js library	not fetched	2026-10-09	2026-10-09
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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.

2026-10-09 first crawl

5 pages, 204 files, 8.9 MB; 24 libraries, 1 identifier, 46 third-party hosts
24 libraries added
- recaptcha
- jspdf 4.2.1
- @reachfive/identity-core 1.42.0
- @reachfive/identity-ui 2.1.0
- ovenplayer 0.10.54
- @recogito/annotorious 2.7.14
- dashjs 5.2.1
- graphql-playground-react 1.7.28
- @clerk/ui 1.34.0
- @story-telling-reporter/react-embed-code-generator 2.2.20
- tdesign-react 1.18.3
- @joyfill/components 4.0.0-rc26
- and 12 more
1 identifier added
- L-0rab9xqBqLkdhmyeIErNZSuDpljnE-5lHbudU0Ovg Google site verification
50 third-party hosts added
- js-cdn.dynatrace.com
- assets.adobedtm.com
- www.google.com
- use.typekit.net
- github.com
- reactjs.org
- www.w3.org
- unpkg.com
- www.youtube.com
- schema.org
- brokercheck.finra.org
- maps.google.com
- and 38 more
204 files added

Questions about northwesternmutual.com

How does PageSourceSearch know what northwesternmutual.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 northwesternmutual.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 northwesternmutual.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 northwesternmutual.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.