Site profile
21st-century-boowy.com
Built with jquery 3.1.0, gtm, twitter-widgets, @vitest/utils 5.0.2, h8k-components 2.2.0. 5 pages and 8 stored files, last crawled 2026-10-02.
rank 1,340,249 5 libraries 3 identifiers 10 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 |
|---|---|---|
| jquery | 3.1.0 | 2026-10-02 |
| gtm | 2026-10-02 | |
| twitter-widgets | 2026-10-02 | |
| @vitest/utils | 5.0.2 | 2026-10-02 |
| h8k-components | 2.2.0 | 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-3654721860841136 | view source |
| Google site verification (Google) | cYFWykE0bmTKsagXbnE_N4lJXBZDuX2GFrSqg7SoyXA | view source |
| Google Tag Manager container (Google) | GTM-P4CXTW | view source |
Third-party hosts
Hosts outside 21st-century-boowy.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 |
|---|---|---|
| ajax.googleapis.com | script | view source |
| b.st-hatena.com | script | view source |
| cdn.blog.st-hatena.com | script stylesheet | view source |
| cse.google.com | script | view source |
| hatena.wackwack.net | script stylesheet | view source |
| maxcdn.bootstrapcdn.com | stylesheet | view source |
| pagead2.googlesyndication.com | script | view source |
| platform.twitter.com | script | view source |
| use.fontawesome.com | stylesheet | view source |
| usercss.blog.st-hatena.com | stylesheet | view source |
Stored pages and scripts
The newest stored version of each file, newest first@if (p.FilesTruncated) {
| File | Kind | Size | Collected | Versions |
|---|---|---|---|---|
| https://21st-century-boowy.com/entry/memory | html | 40.6 KB | 2026-10-02 | 2026-10-02 |
| https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js | js library | not fetched | 2026-10-02 | current |
| https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js | js library | not fetched | 2026-10-02 | current |
| https://platform.twitter.com/widgets.js | js library | not fetched | 2026-10-02 | current |
| https://21st-century-boowy.com/entry/19871224 | html | 48.1 KB | 2026-10-02 | 2026-10-02 |
| https://21st-century-boowy.com/archive/1987/12/24 | html | 25.9 KB | 2026-10-02 | 2026-10-02 |
| https://21st-century-boowy.com/archive/category/HISTORY | html | 44.8 KB | 2026-10-02 | 2026-10-02 |
| https://21st-century-boowy.com/ | html | 56.6 KB | 2026-10-02 | 2026-10-02 |
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.
-
first crawl
5 pages, 8 files, 216 KB; 5 libraries, 3 identifiers, 10 third-party hosts
5 libraries added
- gtm
- @vitest/utils 5.0.2
- jquery 3.3.1
- jquery 3.1.0
- twitter-widgets
3 identifiers added
- GTM-P4CXTW Google Tag Manager container
- ca-pub-3654721860841136 AdSense publisher id
- cYFWykE0bmTKsagXbnE_N4lJXBZDuX2GFrSqg7SoyXA Google site verification
12 third-party hosts added
8 files added
- https://21st-century-boowy.com/ html
- https://21st-century-boowy.com/archive/category/HISTORY html
- https://21st-century-boowy.com/archive/1987/12/24 html
- https://21st-century-boowy.com/entry/19871224 html
- https://21st-century-boowy.com/entry/memory html
- https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js js
- https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js js
- https://platform.twitter.com/widgets.js js
Questions about 21st-century-boowy.com
- How does PageSourceSearch know what 21st-century-boowy.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 21st-century-boowy.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 21st-century-boowy.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 21st-century-boowy.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.