What powers sisschools.org?
Last seen Sep 2026 · 48 technologies across 19 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
Video players
Webmail
Widgets
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 66% phone
- 30% desktop
- 4% tablet
Indonesia
India
Myanmar (Burma)
South Korea
Singapore
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.72 / 10 · ranked #2,134,740 of all domains
28 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.2 s |
| INP | 125 ms |
| CLS | 0.2 |
| TTFB | 3600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 5.6 MB · 290 requests
- WordPress theme: sisschools · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- SIS Schools (SIS Group of Schools on Wikidata)
- Founded: 1997
- Industry: Education (declares
EducationalOrganization) - Country: Indonesia
- Profiles: Facebook, X, LinkedIn
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.26.10.92, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 2,521,213, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Microsoft Clarity Feb 2026
- dropped Site Kit Dec 2025
- dropped Yoast SEO Dec 2025
- detected Cloudflare Browser Insights Nov 2025
- dropped Priority Hints Nov 2025
- detected RankMath SEO Nov 2025