How does PageSourceSearch know what mettra.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 mettra.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 mettra.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 mettra.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

mettra.app

Built with gtm, @clerk/ui 1.34.0, bromcom-ui 2.12.3, dashjs 5.2.1, posthog-js 1.434.12, @inkeep/cxkit-js 0.5.119, @feathery/react 2.96.0, recaptcha, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, jspdf 4.2.1, @cognigy/webchat 3.50.0 and more. 7 pages and 163 stored files, last crawled 2026-10-02.

rank 319,935 36 libraries 2 identifiers 53 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
bromcom-ui	2.12.3	2026-10-02
dashjs	5.2.1	2026-10-02
posthog-js	1.434.12	2026-10-02
@inkeep/cxkit-js	0.5.119	2026-10-02
@feathery/react	2.96.0	2026-10-02
recaptcha		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
@cognigy/webchat	3.50.0	2026-10-02
pdfobject	2.1.1	2026-10-02
spectorjs	0.9.33	2026-10-02
jsonld	9.0.0	2026-10-02
face-age	2.4.6	2026-10-02
@moveo-ai/web-client	0.117.0	2026-10-02
html2pdf.js	0.14.0	2026-10-02
fusioncharts	4.2.2	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
@feedmepos/mf-inventory-portal	1.7.17	2026-10-02
@formio/js	5.6.1	2026-10-02
@ant-design/x	2.9.0	2026-10-02
chobitsu	1.8.6	2026-10-02
mori-chat-widget	2.0.49	2026-10-02
@everymatrix/player-profile-dashboard	1.21.0	2026-10-02
@formbird/angular-elements	8.5.10	2026-10-02
@joyfill/components	4.0.0-rc26	2026-10-02
comindware.core.ui	2.1.149	2026-10-02
@antv/g6	5.1.1	2026-10-02
html2canvas	1.4.1	2026-09-24
@flagship.io/js-sdk	5.2.2	2026-09-24
@zephr/browser	1.9.1	2026-09-24
@betterbugs/web-sdk	0.0.47	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 site verification (Google)	XuomAPow18jTgOyOmWaBjFoXYSqwh_cDi0BZSjZJ12U	view source
Google Tag Manager container (Google)	GTM-MNB5TB67	view source

Third-party hosts

Hosts outside mettra.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
accounts.google.com	connect	view source
api.pinterest.com	connect	view source
api.tumblr.com	connect	view source
app.posthog.com	connect	view source
b.hatena.ne.jp	connect	view source
bookmark.hatenaapis.com	connect	view source
bsky.app	connect	view source
cdnjs.cloudflare.com	connect	view source
chromewebstore.google.com	connect	view source
connect.mail.ru	connect	view source
connect.ok.ru	connect	view source
flagcdn.com	connect	view source
gab.com	connect	view source
getpocket.com	connect	view source
github.com	connect	view source
graph.facebook.com	connect	view source
guest.local	connect	view source
images-na.ssl-images-amazon.com	connect	view source
jspdf.default.namespaceuri	connect	view source
linkedin.com	connect	view source
m.media-amazon.com	connect	view source
mettra.com	connect	view source
pinterest.com	connect	view source
policies.google.com	connect	view source
react.dev	connect	view source
sentry.io	connect	view source
service.weibo.com	connect	view source
social-plugins.line.me	connect	view source
telegram.me	connect	view source
threads.net	connect	view source
twitter.com	connect	view source
us.i.posthog.com	connect	view source
us.posthog.com	connect	view source
vk.com	connect	view source
w3.org	connect	view source
work.facebook.com	connect	view source
www.amazon.com	connect	view source
www.facebook.com	connect	view source
www.g2.com	connect	view source
www.google.com	connect	view source
www.googleapis.com	connect	view source
www.googletagmanager.com	iframe	view source
www.instagram.com	connect	view source
www.instapaper.com	connect	view source
www.linkedin.com	connect	view source
www.livejournal.com	connect	view source
www.reddit.com	connect	view source
www.tiktok.com	connect	view source
www.trustpilot.com	connect	view source
www.tumblr.com	connect	view source
www.w3.org	connect	view source
www.youtube.com	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 163) }. 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://cdnjs.cloudflare.com/ajax/libs/pdfobject/2.1.1/pdfobject.min.js	js library	not fetched	2026-10-02	current
https://www.google.com/recaptcha/api.js	js library	not fetched	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/9361.4f44bf4296440e5d.js	js	4.5 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/8235.3e0f0dfad38377ce.js	js	53.1 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/7194.aab328c657d73dc4.js	js	222.5 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/6219.934586809e111e0e.js	js	9.2 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/4820.9e0637ea9bb9e085.js	js	10.5 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/4541.e0c8d36f873afa81.js	js	1.9 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/3917.db57401b9559f85e.js	js	72.1 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/3019.5f0ceb8e2dc61235.js	js	2.1 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/2931.14d9c11b34fb4f84.js	js	27.5 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/2528.a70bdb7d720d1bd6.js	js	193 B	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/610.e07b235dbd56d948.js	js	2.1 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/bc98253f.2f0af3d8f3c03e0b.js	js	79.6 KB	2026-10-02	current
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https://assets.mettra.app/_next/static/chunks/293-d6ade3bd1e931d4e.js	js	163.4 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/8878-c11e90647d73b7cb.js	js	8.9 KB	2026-10-02	current
https://mettra.app/_next/static/chunks/pages/_error-c970d8b55ace1b48.js	js	224 B	2026-10-02	current
https://mettra.app/_next/static/2nWRDdzVCT6DnZ3Ep7HBY/_ssgManifest.js	js	80 B	2026-10-02	2026-10-02
https://mettra.app/_next/static/2nWRDdzVCT6DnZ3Ep7HBY/_buildManifest.js	js	3.8 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/ap…/about/page-c3f875433885715f.js	js	37.9 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/2811-47b22d86515e09f5.js	js	58.2 KB	2026-10-02	current
https://assets.mettra.app/_next/static/chunks/ap…/page-92cfd68ae7fb5e86.js	js	45.5 KB	2026-10-02	2026-10-02
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https://assets.mettra.app/_next/static/chunks/ap…/login/page-374dce467bb07336.js	js	26.8 KB	2026-10-02	2026-10-02
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https://mettra.app/_next/static/chunks/polyfills-42372ed130431b0a.js	js	110 KB	2026-10-02	current
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https://mettra.app/about	html	323 KB	2026-10-02	2026-10-02
https://mettra.app/pricing	html	582.5 KB	2026-10-02	2026-10-02
https://mettra.app/solutions/product-research/chrome-extension	html	407.1 KB	2026-10-02	2026-10-02
https://mettra.app/login	html	72.2 KB	2026-10-02	2026-10-02
https://mettra.app/	html	693.2 KB	2026-10-02	2026-10-02
https://assets.mettra.app/_next/static/chunks/7194.055c4cf93097cfc0.js	js	219.3 KB	2026-09-24	current
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https://assets.mettra.app/sw.js	js	12.5 KB	2026-09-24	current
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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, 103 files, 8.3 MB; 32 libraries, 2 identifiers, 53 third-party hosts
32 libraries added
- gtm
- @ant-design/x 2.9.0
- @inkeep/cxkit-js 0.5.119
- @clerk/ui 1.34.0
- @moveo-ai/web-client 0.117.0
- @joyfill/components 4.0.0-rc26
- mori-chat-widget 2.0.49
- spectorjs 0.9.33
- posthog-js 1.434.12
- @cognigy/webchat 3.50.0
- @formbird/angular-elements 8.5.10
- bromcom-ui 2.12.3
- and 20 more
2 identifiers added
- GTM-MNB5TB67 Google Tag Manager container
- XuomAPow18jTgOyOmWaBjFoXYSqwh_cDi0BZSjZJ12U Google site verification
53 third-party hosts added
- www.googletagmanager.com
- react.dev
- www.w3.org
- yandex.com
- sentry.io
- app.posthog.com
- us.i.posthog.com
- us.posthog.com
- bsky.app
- www.facebook.com
- graph.facebook.com
- b.hatena.ne.jp
- and 41 more
103 files added

Questions about mettra.app

How does PageSourceSearch know what mettra.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 mettra.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 mettra.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 mettra.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.