What powers 
nlsc.gov.tw?
Last seen Oct 2026 · 30 technologies across 16 categories
Analytics
Google Analytics
since Jun 2018
CMS
Joomla
since Aug 2018
Font Scripts
Font Awesome
since Aug 2018
Google Font API
since Aug 2018
JavaScript Frameworks
JavaScript graphics
Chart.js
since Jul 2025
JavaScript libraries
DataTables
since May 2019
Lightbox
since May 2017
math.js
since Jun 2020
Modernizr
since May 2017
Underscore.js
since May 2019
Load balancers
Maps
Miscellaneous
Open Graph
since Sep 2022
PWA
since Aug 2022
Operating systems
Windows Server
since Jun 2018
Programming Languages
Security
HSTS
since Sep 2022
UI frameworks
Video players
YouTube
since Feb 2021
Web frameworks
Microsoft ASP.NET
since May 2017
Web servers
Apache HTTP Server
since Mar 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 62% desktop
- 38% phone
Taiwan
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.75 / 10 · ranked #276,255 of all domains
116 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Chinese
- Weight: 6.0 MB · 122 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- National Land Surveying and Mapping Center
- Founded: 1947
- Country: Taiwan
From Wikidata (CC0).
Infrastructure
- DNS: nlsc.gov.tw
- Email: nlsc.gov.tw
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: TWCA, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 47,802, 22 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bmap.nlsc.gov.tw | 12 |
| www.nlsc.gov.tw | 12 |
| emap.nlsc.gov.tw | 11 |
| maps.nlsc.gov.tw | 10 |
| track.nlsc.gov.tw | 9 |
| cris.nlsc.gov.tw | 8 |
| www2.nlsc.gov.tw | 6 |
| egnss.nlsc.gov.tw | 5 |
| gee3d.nlsc.gov.tw | 3 |
| 3dmaps.nlsc.gov.tw | 2 |
| whgis.nlsc.gov.tw | 2 |
| eservice.nlsc.gov.tw | 1 |
Full technology history →
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Recent changes
- dropped Google Hosted Libraries Oct 2026