How does PageSourceSearch know what narita-airport.jp 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 narita-airport.jp 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 narita-airport.jp?

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 narita-airport.jp?

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

narita-airport.jp

Built with gtm, @clerk/ui 1.34.0, lottie-web 5.13.0, cloudinary-video-player 4.1.2, maplibre-gl 6.11.1, dashjs 5.2.1, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, @stlite/mountable 0.75.0, esri-leaflet-vector 4.3.2, webex 3.12.0 and more. 5 pages and 175 stored files, last crawled 2026-10-02.

rank 404,040 26 libraries 1 identifier 36 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
gtm		2026-10-02
@clerk/ui	1.34.0	2026-10-02
lottie-web	5.13.0	2026-10-02
cloudinary-video-player	4.1.2	2026-10-02
maplibre-gl	6.11.1	2026-10-02
dashjs	5.2.1	2026-10-02
@reachfive/identity-core	1.42.0	2026-10-02
@reachfive/identity-ui	2.1.0	2026-10-02
jspdf	4.2.1	2026-10-02
@stlite/mountable	0.75.0	2026-10-02
esri-leaflet-vector	4.3.2	2026-10-02
webex	3.12.0	2026-10-02
ovenplayer	0.10.54	2026-10-02
graphql-playground-react	1.7.28	2026-10-02
@recogito/annotorious	2.7.14	2026-10-02
@johanaarstein/dotlottie-player	1.5.23	2026-10-02
olamaps-web-sdk	1.4.0	2026-10-02
@betterbugs/web-sdk	0.0.47	2026-10-02
@flarehr/salpac-cars-calculator	1.0.1726	2026-10-02
@tsocial/tvweb-sdk	5.38.6	2026-10-02
azure-maps-control	3.7.4	2026-10-02
@watergis/mapbox-gl-export	4.0.0	2026-10-02
@story-telling-reporter/react-embed-code-generator	2.2.20	2026-10-02
@lottiefiles/lottie-player	2.0.12	2026-09-24
@feathery/react	2.96.0	2026-09-24
ogm-viewer	1.4.0	2026-09-24

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 Tag Manager container (Google)	GTM-WBDKNV3	view source

Third-party hosts

Hosts outside narita-airport.jp 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
app.power-x.jp	connect	view source
camino.naa.jp	connect	view source
challenges.cloudflare.com	connect	view source
faq.e-mobipower.co.jp	connect	view source
fonts.googleapis.com	connect	view source
github.com	connect	view source
japanrailpass.net	connect	view source
m1.openfpcdn.io	connect	view source
map-api.mapxus.co.jp	connect	view source
maplibre.org	connect	view source
narita-recommend.team-rec.jp	connect	view source
narita-search.team-rec.jp	connect	view source
narita.imagewave.pictures	connect	view source
power-x.jp	connect	view source
reactjs.org	connect	view source
schema.org	connect	view source
skyliner.ec.keisei.co.jp	connect	view source
static.media.cld.navitime.jp	connect	view source
support-evcs.power-x.jp	connect	view source
use.typekit.net	connect	view source
www.e-mobipower.co.jp	connect	view source
www.eki-net.com	connect	view source
www.facebook.com	connect	view source
www.googletagmanager.com	iframe connect	view source
www.instagram.com	connect	view source
www.jartic.or.jp	connect	view source
www.jreast.co.jp	connect	view source
www.keisei.co.jp	connect	view source
www.khi.co.jp	connect	view source
www.linkedin.com	connect	view source
www.map.gov.hk	connect	view source
www.openstreetmap.org	connect	view source
www.pref.chiba.lg.jp	connect	view source
www.w3.org	connect	view source
www.youtube.com	connect	view source
zipcloud.ibsnet.co.jp	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 175) }. 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://www.narita-airport.jp/en/news/	html	231.2 KB	2026-10-02	2026-10-02
https://www.narita-airport.jp/en/shop/	html	261.6 KB	2026-10-02	2026-10-02
https://www.narita-airport.jp/en/flight/dep-search/	html	248.7 KB	2026-10-02	2026-10-02
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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.

2026-10-02 first crawl

5 pages, 138 files, 6.2 MB; 23 libraries, 1 identifier, 36 third-party hosts
23 libraries added
- gtm
- 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
- cloudinary-video-player 4.1.2
- @clerk/ui 1.34.0
- @story-telling-reporter/react-embed-code-generator 2.2.20
- @stlite/mountable 0.75.0
- and 11 more
1 identifier added
- GTM-WBDKNV3 Google Tag Manager container
37 third-party hosts added
138 files added

Questions about narita-airport.jp

How does PageSourceSearch know what narita-airport.jp 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 narita-airport.jp 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 narita-airport.jp?: 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 narita-airport.jp?: 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.