What powers oostburg.k12.wi.us?
Last seen Aug 2026 · 49 technologies across 24 categories
Analytics
Authentication
Caching
CDN
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Marketing automation
Miscellaneous
Mobile frameworks
Operating systems
Performance
Programming languages
RUM
Security
Tag managers
UI frameworks
Web servers
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 60% phone
- 40% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.84 / 10 · ranked #4,127,403 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 38.6 MB · 171 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (18.233.124.95)
- DNS: rr.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- Common Crawl link graph: rank 9,282,147, 3 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| oostburg.k12.wi.us | 33 |
| www.oostburg.k12.wi.us | 31 |
Full technology history →
Report an incorrect detection
Recent changes
- detected AlertifyJS Aug 2026
- detected Bootstrap Aug 2026
- detected cdnjs Aug 2026
- detected Datadog Aug 2026
- detected Font Awesome Aug 2026
- detected HeadJS Aug 2026
- detected jQuery UI Aug 2026
- detected jsDelivr Aug 2026
- detected Slick Aug 2026
- detected Typekit Aug 2026
- detected Unpkg Aug 2026
- detected Priority Hints Oct 2025