What powers testhub.sg?
Last seen Sep 2026 · 10 technologies across 8 categories
Advertising
Analytics
CDN
Miscellaneous
Performance
Security
Static site generator
UI frameworks
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 found
- ai.txt not found
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 amazonbot removed from robots.txt
- Oct 2026 applebot-extended removed from robots.txt
- Oct 2026 meta-externalagent removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 claudebot removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 63% phone
- 37% desktop
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.76 / 10 · ranked #17,377,596 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.8 MB · 43 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Basic Theory Test
- Industry: Education (declares
EducationalOrganization)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.58.15, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 87,381,945, 9 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| btt.testhub.sg | 10 |
| ftt.testhub.sg | 10 |
| pdvl.testhub.sg | 10 |
| rtt.testhub.sg | 10 |
| ppcdl.testhub.sg | 7 |
Full technology history →
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Recent changes
- detected Google AdSense Sep 2026
- dropped Partytown Sep 2026
- detected Priority Hints Sep 2026
- detected reCAPTCHA Sep 2026