What powers 
sef.org.tw?
Last seen Oct 2026 · 10 technologies across 7 categories
Analytics
Google Analytics
since Jan 2019
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Programming languages
Java
since Sep 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
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
- Nov 2026 * removed from robots.txt
- Nov 2026 robots.txt removed
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 51% desktop
- 49% phone
Taiwan
United States
China
Japan
Hong Kong SAR China
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #343,095 of all domains
112 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Chinese
- Weight: 8.1 MB · 63 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Straits Exchange Foundation
- Founded: 1990
- Country: Taiwan
From Wikidata (CC0).
Infrastructure
- Registered Oct 1997 (29 years) via TWNIC, renews May 2030
- DNS: sef.org.tw
- Email: sef.org.tw
- Email security: SPF (hard fail), DMARC monitor only
- SSL: TWCA, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 696,772, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sef.org.tw | 7 |
| sefapplyap.sef.org.tw | 5 |