Site profile
gwern.net
Built with gtag, owl.carousel 2.3.4, fomantic-ui 2.9.4, mdbootstrap 4.20.0, tablesorter 2.32.0, html-to-image 1.11.13, mt-boost 1.0.46, jsxgraph 1.13.3. 5 pages and 10 stored files.
rank 10,275 8 libraries 1 identifier 0 third-party hosts 0 crawls 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 |
|---|---|---|
| gtag | 2026-09-24 | |
| owl.carousel | 2.3.4 | 2026-09-24 |
| fomantic-ui | 2.9.4 | 2026-09-24 |
| mdbootstrap | 4.20.0 | 2026-09-24 |
| tablesorter | 2.32.0 | 2026-09-24 |
| html-to-image | 1.11.13 | 2026-09-24 |
| mt-boost | 1.0.46 | 2026-09-24 |
| jsxgraph | 1.13.3 | 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 |
|---|---|---|
| Universal Analytics property id (Google) | UA-18912926-1 | view source |
Third-party hosts
The stored pages and scripts reference no host outside gwern.net.
Stored pages and scripts
The newest stored version of each file, newest first@if (p.FilesTruncated) {
| File | Kind | Size | Collected | Versions |
|---|---|---|---|---|
| https://gwern.net/static/js/tablesorter.js | js | 129.9 KB | 2026-09-24 | current |
| https://www.googletagmanager.com/gtag/js?id=UA-18912926-1 | js library | not fetched | 2026-09-24 | current |
| https://gwern.net/static/js/paper-marble.js | js | 101.9 KB | 2026-09-24 | current |
| https://gwern.net/static/js/script.js?v=1786427108 | js | 881.7 KB | 2026-09-24 | current |
| https://gwern.net/static/js/head.js?v=1786427108 | js | 273.1 KB | 2026-09-24 | current |
| https://gwern.net/design | html | 258.2 KB | 2026-09-24 | current |
| https://gwern.net/about | html | 207.8 KB | 2026-09-24 | current |
| https://gwern.net/blog/index | html | 76.1 KB | 2026-09-24 | current |
| https://gwern.net/search | html | 210.5 KB | 2026-09-24 | current |
| https://gwern.net/ | html | 138.6 KB | 2026-09-24 | current |
Timeline
No crawl has recorded a snapshot of this site yet; snapshots are written by every crawl from now on.
Questions about gwern.net
- How does PageSourceSearch know what gwern.net 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 gwern.net 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 gwern.net?
- 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 gwern.net?
- 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.