Built with Next.js and React, hosted on Cloudflare.
Confidence reflects how many independent signals matched.
| Technology | Version | Confidence | First seen |
|---|---|---|---|
| JavaScript Frameworks & Libraries2 | |||
| 15.5.18 | High | 14 Oct 2026 | |
| – | High | 14 Oct 2026 | |
| Frontend Build Tools & CSS3 | |||
| – | High | 14 Oct 2026 | |
| – | High | 14 Oct 2026 | |
| Web Servers, Languages & Backend Frameworks1 | |||
| – | High | 14 Oct 2026 | |
| CDN & Hosting1 | |||
| – | High | 14 Oct 2026 | |
| Analytics & Tag Management1 | |||
| – | High | 14 Oct 2026 | |
| Transactional Email2 | |||
| – | High | 14 Oct 2026 | |
| – | High | 14 Oct 2026 | |
| Error Tracking & Performance Monitoring1 | |||
| – | High | 14 Oct 2026 | |
| Fonts & Icon Fonts1 | |||
| – | Low | 14 Oct 2026 | |
| Security, WAF & Bot Protection3 | |||
| – | High | 14 Oct 2026 | |
| Translation & Localization1 | |||
| – | Medium | 14 Oct 2026 | |
smtp.google.comkate.ns.cloudflare.comhugh.ns.cloudflare.comv=spf1 include:_spf.google.com include:_spf.firebasemail.com ~allgoogle-site-verification=h6Su5Rlnd598Vf2pJhbEWHQrMHMixjIEVn9NyhrbjD0v=DMARC1; p=quarantine; rua=mailto:8f1763b53daa4c96b995ed519c8b2a7c@dmarc-reports.cloudflare.netUser-Agent: * Allow: / Allow: /artwork/ Allow: /artist/ Allow: /gallery/ Allow: /cinema/ Allow: /theatre/ Allow: /library/ Allow: /venue/ Allow: /movie/ Allow: /series/ Allow: /episode/ Allow: /person/ Allow: /person-hub/ Allow: /work/ Allow: /author/ Allow: /album/ Allow: /album-edition/ Allow: /song/ Allow: /music-artist/ Allow: /metatag/ Allow: /article/ Allow: /city/ Allow: /about Allow: /terms Allow: /privacy-policy Disallow: /app/ Disallow: /api/ Disallow: /icon Disallow: /data-deletion Disallow: /_next/ Disallow: /private/ User-Agent: Googlebot Allow: / Disallow: /app/ Disallow: /api/ User-Agent: Bingbot Allow: / Disallow: /app/ Disallow: /api/ User-Agent: Applebot Allow: / Allow: /artwork/ Allow: /artist/ Allow: /gallery/ Allow: /cinema/ Allow: /theatre/ Allow: /library/ Allow: /venue/ Allow: /person-hub/ Allow: /author/ Allow: /album/ Allow: /album-edition/ Allow: /song/ Allow: /music-artist/ Allow: /metatag/ Allow: /article/ Allow: /city/ Allow: /about Allow: /terms Allow: /privacy-policy Disallow: /app/ Disallow: /api/ Disallow: /icon Disallow: /data-deletion Disallow: /_next/ Disallow: /private/ Disallow: /movie/ Disallow: /series/ Disallow: /episode/ Disallow: /person/ Disallow: /work/ User-Agent: GPTBot User-Agent: OAI-SearchBot User-Agent: ChatGPT-User User-Agent: ClaudeBot User-Agent: Claude-Web User-Agent: anthropic-ai User-Agent: PerplexityBot User-Agent: Perplexity-User User-Agent: Google-Extended User-Agent: Applebot-Extended User-Agent: CCBot User-Agent: Amazonbot User-Agent: Bytespider User-Agent: meta-externalagent User-Agent: cohere-ai Allow: / Allow: /artwork/ Allow: /artist/ Allow: /gallery/ Allow: /cinema/ Allow: /theatre/ Allow: /library/ Allow: /venue/ Allow: /movie/ Allow: /series/ Allow: /episode/ Allow: /person/ Allow: /person-hub/ Allow: /work/ Allow: /author/ Allow: /album/ Allow: /album-edition/ Allow: /song/ Allow: /music-artist/ Allow: /metatag/ Allow: /article/ Allow: /city/ Allow: /about Allow: /terms Allow: /privacy-policy Disallow: /app/ Disallow: /api/ Disallow: /icon Disallow: /data-deletion Disallow: /_next/ Disallow: /private/ User-Agent: AhrefsBot User-Agent: SemrushBot User-Agent: DataForSeoBot User-Agent: MJ12bot Disallow: / Sitemap: https://caleido.world/sitemap.xml
# Caleido
> Caleido is a cultural discovery platform for art, film, television, books, and music. It lets people browse millions of artworks, artists, movies, TV series, books, authors, albums, songs, and cultural venues; build collections; track what they've experienced; and find others who share their taste.
Every public entity page is server-rendered with schema.org JSON-LD structured data and is safe to cite. Each entity type lives at a stable URL pattern (below). User-specific areas under `/app` (feeds, profiles, collections, settings) require authentication and are intentionally excluded.
## Entity URL patterns
- Artwork: `https://caleidoapp.com/artwork/{id}` — paintings, sculptures, visual works (schema.org VisualArtwork)
- Artist: `https://caleidoapp.com/artist/{id}` — visual artists (Person)
- Movie: `https://caleidoapp.com/movie/{id}` — films with cast, crew, ratings (Movie)
- TV series: `https://caleidoapp.com/series/{id}` — television series (TVSeries)
- Book / work: `https://caleidoapp.com/work/{id}` — literary works and editions (Book)
- Author: `https://caleidoapp.com/author/{id}` — writers (Person)
- Album: `https://caleidoapp.com/album/{id}` — music albums (MusicAlbum)
- Song: `https://caleidoapp.com/song/{id}` — recordings (MusicRecording)
- Music artist: `https://caleidoapp.com/music-artist/{id}` — bands and musicians (MusicGroup)
- Gallery / museum: `https://caleidoapp.com/gallery/{id}` — museums and galleries (Museum)
- Cinema: `https://caleidoapp.com/cinema/{id}` — movie theaters (MovieTheater)
- Theatre: `https://caleidoapp.com/theatre/{id}` — performing-arts venues (PerformingArtsTheater)
- Library: `https://caleidoapp.com/library/{id}` — libraries and bookstores (Library)
- Venue: `https://caleidoapp.com/venue/{id}` — cultural venues (CivicStructure)
- Article: `https://caleidoapp.com/article/{id}` — editorial guides and "best of" features (Article)
## Key links
- [Home](https://caleidoapp.com)
- [Sitemap index](https://caleidoapp.com/sitemap.xml)
- [About](https://caleidoapp.com/about)
- [Terms](https://caleidoapp.com/terms)
- [Privacy Policy](https://caleidoapp.com/privacy-policy)
# Caleido security policy (RFC 9116) # If you believe you've found a security vulnerability, please email us. Contact: mailto:admin@caleido.world Expires: 2027-06-20T00:00:00.000Z Preferred-Languages: en # Both hosts serve this file unredirected: caleido.world is the site, and # caleidoapp.com must keep serving /.well-known/* forever for Android App Link # verification, which does not follow redirects. RFC 9116 lets a policy list # every URI it is canonically served from — omitting one makes the file at that # host look unauthorised. Canonical: https://caleido.world/.well-known/security.txt Canonical: https://caleidoapp.com/.well-known/security.txt
| – |
| High |
| 14 Oct 2026 |
| – |
| High |
| 14 Oct 2026 |
| – | High | 14 Oct 2026 |