What powers sji.edu.sg?
Last seen Aug 2026 · 35 technologies across 17 categories
Analytics
Google Analytics
since Jan 2019
Snowplow Analytics
since May 2021
Authentication
Google Sign-in
since Aug 2022
Caching
Varnish
since Feb 2024
CDN
Amazon CloudFront
since Jan 2019
Amazon S3
since May 2023
cdnjs
since May 2023
Cloudflare
since May 2023
Fastly
since Feb 2024
Unpkg
since Jan 2023
CMS
Google Sites
since Mar 2022
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
Closure Library
since Oct 2023
Miscellaneous
Operating systems
Windows Server
since Aug 2022
PaaS
Amazon Web Services
since Jan 2019
GitHub Pages
since Feb 2024
Programming languages
PHP
since Oct 2021
Search engines
Algolia
since Dec 2023
Security
Tag managers
Google Tag Manager
since Jan 2021
Web server extensions
Web servers
Apache HTTP Server
since May 2021
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
- Aug 2026 * added to robots.txt
- Aug 2026 * removed from robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 51% desktop
- 49% phone
Singapore
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.82 / 10 · ranked #704,673 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.6 MB · 15 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sji.edu.sg | 22 |
| app.sji.edu.sg | 9 |
| openhouse.sji.edu.sg | 8 |
| nccair.sji.edu.sg | 7 |
| sdms.sji.edu.sg | 7 |
| year1.sji.edu.sg | 6 |
| year3ip.sji.edu.sg | 6 |
| year3op.sji.edu.sg | 6 |
| year4ip.sji.edu.sg | 6 |
| ibdp-openhouse.sji.edu.sg | 5 |
| year2.sji.edu.sg | 5 |
| year5.sji.edu.sg | 2 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped jQuery UI Aug 2026
- detected OpenSSL Jul 2026
- detected Windows Server Jul 2026