What powers osm.tw?
Last seen Oct 2026 · 15 technologies across 11 categories
Analytics
Caching
CDN
JavaScript frameworks
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% desktop
- 29% phone
Taiwan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.63 / 10 · ranked #2,268,939 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Cloudflare, Fastly
- Weight: 3.5 MB · 23 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- 開放街圖台灣社群 (OpenStreetMap Taiwan on Wikidata)
- Founded: 2010
- Country: Taiwan
- Profiles: X, GitHub, Facebook
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.36.161, IPv6)
- DNS: Cloudflare DNS
- Email: Mailgun
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 7,063,635, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Cloudflare Rocket Loader May 2026
- detected HSTS May 2026