What powers osm.tw?

Last seen Oct 2026 · 15 technologies across 11 categories

Analytics

Caching

Varnish
since Dec 2020

CDN

Cloudflare
since Dec 2020
Fastly
since Dec 2020

Email

Mailgun
since Aug 2022

JavaScript frameworks

Next.js v15.5.15
since Jun 2022
React
since Jan 2022

Miscellaneous

HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Webpack
since Jan 2022

PaaS

GitHub Pages
since Dec 2020

Performance

Cloudflare Rocket Loader
since May 2026

Programming languages

Node.js
since Jun 2022

Security

HSTS
since May 2026

UI frameworks

Tailwind CSS
since Jun 2022

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

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

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

LCP2 s
INP25 ms
CLS0
TTFB700 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

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

Full technology history →
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