What powers syc427.org?
Last seen Sep 2026 · 38 technologies across 18 categories
Accessibility
Analytics
Authentication
CDN
Databases
Editors
Font scripts
Issue trackers
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Translation
UI frameworks
Video players
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 62% desktop
- 38% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.32 / 10 · ranked #1,100,364 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.3 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 6.8 MB · 81 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sycamore High School
- Founded: 1908
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.67.73)
- DNS: illinois.net
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 506,058, 12 hosts
- Verified with: Adobe, Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.syc427.org | 32 |
| north.syc427.org | 31 |
| shs.syc427.org | 31 |
| sms.syc427.org | 31 |
| southprairie.syc427.org | 31 |
| west.syc427.org | 30 |
| southeast.syc427.org | 29 |
| northgrove.syc427.org | 28 |
| jotform.syc427.org | 9 |
Full technology history →
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Recent changes
- dropped Google Cloud May 2026
- dropped Google Cloud CDN May 2026
- dropped Nginx May 2026
- detected VideoJS May 2026
- detected Stimulus Feb 2026
- detected Htmx Nov 2025