How does PageSourceSearch know what speedtest.cn 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 speedtest.cn 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 speedtest.cn?

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 speedtest.cn?

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

speedtest.cn

Built with bootstrap 4.3.1, jquery 1.9.1, vue 2.15.6, @wix/design-system 1.328.0, html2canvas 1.4.1, bowser 2.14.1, jspdf 4.2.1, @segment/vimeo-analytics 2.0.0, pdfobject 2.1.1, simplemde 1.11.2, easymde 2.21.0, @goodgamestudios/cxf-runtime 0.3.2 and more. 1 page and 12 stored files, last crawled 2026-10-03.

rank 1,831,920 48 libraries 1 identifier 9 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
bootstrap	4.3.1	2026-10-03
jquery	1.9.1	2026-10-03
vue	2.15.6	2026-10-03
@wix/design-system	1.328.0	2026-10-03
html2canvas	1.4.1	2026-10-03
bowser	2.14.1	2026-10-03
jspdf	4.2.1	2026-10-03
@segment/vimeo-analytics	2.0.0	2026-10-03
pdfobject	2.1.1	2026-10-03
simplemde	1.11.2	2026-10-03
easymde	2.21.0	2026-10-03
@goodgamestudios/cxf-runtime	0.3.2	2026-10-03
face-age	2.4.6	2026-10-03
supafolio-sdk	1.4.1	2026-10-03
html2pdf.js	0.14.0	2026-10-03
fusioncharts	4.2.2	2026-10-03
@vitest/utils	5.0.2	2026-10-03
@feedmepos/mf-inventory-portal	1.7.17	2026-10-03
iview	3.5.4	2026-10-03
idle-js	1.2.0	2026-10-03
@widgetti/solara-vuetify-app	10.1.1	2026-10-03
chobitsu	1.8.6	2026-10-03
leaflet-overpass-layer	2.9.0	2026-10-03
jqwidgets-scripts	27.0.1	2026-10-03
thb-calendar	1.0.1	2026-10-03
@everymatrix/player-profile-dashboard	1.21.0	2026-10-03
@formbird/angular-elements	8.5.10	2026-10-03
@gradio/lite	5.45.0	2026-10-03
@vismaux/vud	1.8.4	2026-10-03
comindware.core.ui	2.1.149	2026-10-03
@flarehr/core-hr-app	0.1.3	2026-10-03
@dettalant/laymic	2.2.2	2026-10-03
@limetech/lime-elements	40.5.1	2026-10-03
@voxeet/voxeet-web-sdk	3.11.1	2026-10-03
@antv/g6	5.1.1	2026-10-03
alist-web	3.55.0	2026-10-03
bkl-request-demo	1.0.8	2026-10-03
@twinalyze/web-analytics	1.0.26	2026-10-03
owl.carousel	2.3.4	2026-09-25
fomantic-ui	2.9.4	2026-09-25
tableexport.jquery.plugin	1.33.0	2026-09-25
mdbootstrap	4.20.0	2026-09-25
json-db-admin	0.0.1	2026-09-25
mt-boost	1.0.46	2026-09-25
jsxgraph	1.13.3	2026-09-25
graphql-playground-react	1.7.28	2026-09-25
@glassesusa/dsm	4.6.2	2026-09-25
react-grid-layout	2.2.4	2026-09-25

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
AdSense publisher id (Google)	ca-pub-3179016792556792	view source

Third-party hosts

Hosts outside speedtest.cn 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.weibo.com	connect	view source
beian.mps.gov.cn	connect	view source
cdnjs.cloudflare.com	connect	view source
cpro.baidustatic.com	script	view source
d.alicdn.com	connect	view source
jspdf.default.namespaceuri	connect	view source
turing.captcha.qcloud.com	script	view source
webapi.amap.com	connect	view source
www.w3.org	connect	view source

Stored pages and scripts

The newest stored version of each file, newest first@if (p.FilesTruncated) { (the 500 newest of 12) }. 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	2026-10-03	current
https://www.speedtest.cn/js/app.js?id=e8b3c644c12f6ebfa4f3	js	1006.9 KB	2026-10-03	current
https://www.speedtest.cn/js/vendor.js?id=d21a547b90643c4b345e	js	98.5 KB	2026-10-03	current
https://www.speedtest.cn/js/manifest.js?id=98c436347ca64c895448	js	7.4 KB	2026-10-03	current
https://file2.speedtest.cn/js/MD5.js	js	7.1 KB	2026-10-03	current
https://file2.speedtest.cn/js/bootstrap.bundle.min.js	js	76.8 KB	2026-10-03	current
https://www.speedtest.cn/js/jspdf.umd.min.js?id=5224faf1086ff46ffd69	js library	410.3 KB	2026-10-03	current
https://www.speedtest.cn/js/axios.min.js?id=a86be5cb5dfe31145904	js	24.2 KB	2026-10-03	current
https://file2.speedtest.cn/js/jquery-3.4.1.min.js	js library	86.1 KB	2026-10-03	current
https://file2.speedtest.cn/js/[email protected]	js	572.5 KB	2026-10-03	current
https://file2.speedtest.cn/js/[email protected]	js	91.9 KB	2026-10-03	current
https://www.speedtest.cn/	html	21.4 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

1 page, 12 files, 2.3 MB; 39 libraries, 1 identifier, 9 third-party hosts
39 libraries added
- @vitest/utils 5.0.2
- @vismaux/vud 1.8.4
- vue 2.6.14
- bkl-request-demo 1.0.8
- iview 3.5.4
- thb-calendar 1.0.1
- vue 2.15.6
- jqwidgets-scripts 27.0.1
- @voxeet/voxeet-web-sdk 3.11.1
- jspdf 4.2.1
- @wix/design-system 1.328.0
- bootstrap 4.3.1
- and 27 more
1 identifier added
- ca-pub-3179016792556792 AdSense publisher id
9 third-party hosts added
12 files added

Questions about speedtest.cn

How does PageSourceSearch know what speedtest.cn 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 speedtest.cn 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 speedtest.cn?: 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 speedtest.cn?: 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.