Site profile
monochrome.fyi
Built with systemjs 6.15.1, @reachfive/identity-core 1.42.0, @reachfive/identity-ui 2.1.0, fathom, @doctorassistant/daai-component 2.5.2, cal-heatmap 4.2.4. 1 page and 11 stored files.
rank 2,101,363 6 libraries 0 identifiers 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 |
|---|---|---|
| systemjs | 6.15.1 | 2026-09-25 |
| @reachfive/identity-core | 1.42.0 | 2026-09-25 |
| @reachfive/identity-ui | 2.1.0 | 2026-09-25 |
| fathom | 2026-09-25 | |
| @doctorassistant/daai-component | 2.5.2 | 2026-09-25 |
| cal-heatmap | 4.2.4 | 2026-09-25 |
Tracking, tag and verification IDs
No analytics property, tag manager container, pixel or site-verification token was found in the stored source.
Third-party hosts
The stored pages and scripts reference no host outside monochrome.fyi.
Stored pages and scripts
The newest stored version of each file, newest first@if (p.FilesTruncated) {
| File | Kind | Size | Collected | Versions |
|---|---|---|---|---|
| https://cdn.usefathom.com/script.js | js library | not fetched | 2026-09-25 | current |
| https://monochrome.fyi/assets/index-legacy-74v8Mzna.js | js | 13.7 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/filedrop-legacy-uXnTYIuB.js | js | 3.7 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/dark-mode-toggle.min-legacy-B2JPjBV_.js | js | 12 KB | 2026-09-25 | current |
| https://monochrome.fyi/sw.js | js | 2.9 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/dark-mode-toggle.min-QpnLjzb-.js | js | 10 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/filedrop-DyRAXpB6.js | js | 3 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/polyfills-legacy-Dr3npCAS.js | js | 70.7 KB | 2026-09-25 | current |
| https://monochrome.fyi/registerSW.js | js | 134 B | 2026-09-25 | current |
| https://monochrome.fyi/ | html | 15.3 KB | 2026-09-25 | current |
| https://monochrome.fyi/assets/index-BwN4weiw.js | js | 9.3 KB | 2026-09-25 | current |
Timeline
No crawl has recorded a snapshot of this site yet; snapshots are written by every crawl from now on.
Questions about monochrome.fyi
- How does PageSourceSearch know what monochrome.fyi 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 monochrome.fyi 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 monochrome.fyi?
- 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 monochrome.fyi?
- 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.