What powers 
spectra.edu.sg?
Last seen Sep 2026 · 46 technologies across 21 categories
Advertising
Linkedin Ads
since Sep 2026
Microsoft Advertising
since Sep 2026
Analytics
CDN
Amazon CloudFront
since Jan 2019
Amazon S3
since May 2023
cdnjs
since Oct 2021
Cloudflare
since May 2022
Unpkg
since May 2023
Cookie compliance
Ecommerce
Cart Functionality
since Jul 2023
Shopify
since Oct 2022
Font scripts
Google Font API
since May 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Babel
since May 2023
HTTP/3
since Oct 2022
Open Graph
since Sep 2022
RSS
since May 2023
Webpack
since Sep 2026
Mobile frameworks
jQuery-pjax
since Sep 2026
PaaS
Amazon Web Services
since Jan 2019
Payment processors
PayPal
since Sep 2026
Performance
Priority Hints
since Jul 2023
Programming languages
RUM
Cloudflare Browser Insights
since Sep 2026
Datadog
since Sep 2026
Search engines
Algolia
since Dec 2023
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jun 2023
UI frameworks
Tailwind CSS
since Sep 2026
Web frameworks
Ruby on Rails
since Sep 2026
Webmail
Microsoft 365
since Sep 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Blocked (was Restricted)
- Oct 2026 *: Restricted (was Blocked)
- Oct 2026 *: Blocked (was Restricted)
- Aug 2026 * added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 81% phone
- 19% desktop
Singapore
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #878,102 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.8 MB · 46 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (18.136.36.203)
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 8,866,908, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.spectra.edu.sg | 30 |
| ishop.spectra.edu.sg | 26 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Linkedin Ads Sep 2026
- detected Microsoft Clarity Sep 2026
- detected Next.js Sep 2026
- detected Next.js App Router Sep 2026
- detected Node.js Sep 2026
- detected React Sep 2026
- detected Tailwind CSS Sep 2026
- detected Webpack Sep 2026