What powers psi.com.tw?

Last seen Oct 2026 · 18 technologies across 11 categories

Analytics

Google Analytics vUA
since Jan 2019

CDN

jQuery CDN
since Feb 2022

Editors

DreamWeaver
since Jan 2019

Font scripts

Font Awesome
since May 2023
Google Font API
since Apr 2023

JavaScript frameworks

Prototype v1.4.0
since Feb 2025

JavaScript libraries

jQuery v1.11.1
since Jan 2019
jQuery UI v1.13.2
since Jan 2019
Lightbox
since Feb 2025
Moment.js v2.30.1
since Aug 2024
script.aculo.us v1.5.1
since Feb 2025
Select2
since Apr 2023
SweetAlert2
since Aug 2024

Security

HSTS
since Apr 2023

UI frameworks

Bootstrap v4.6.1
since Apr 2023

Video players

YouTube
since Nov 2020

Web servers

Nginx
since Oct 2023

Webmail

Apple iCloud Mail
since Jan 2023

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 checked
  • ai.txt not checked
  • Oct 2026 *: Allowed (was Blocked)

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 67% desktop
  • 33% phone
  • Taiwan

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

2.16 / 10 · ranked #3,188,002 of all domains

16 referring domains · OpenPageRank

Core Web Vitals

LCP0.7 s
INP25 ms
CLS0
TTFB200 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Weight: 3.5 MB · 51 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Email: psi.com.tw
  • Email security: no SPF record, no DMARC record
  • SSL: ZeroSSL, RSA 4096, expires Dec 2026
  • Common Crawl link graph: rank 12,201,218, 4 hosts

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

Subdomains

HostTechs
www.psi.com.tw 12
mypsi.psi.com.tw 9

Full technology history →
Report an incorrect detection

Recent changes

Look up any website for free

No paywall, no lead-gen, no account. Paste a domain and see what powers it.

No account neededHistory since 2018