What powers stats4stem.org?
Last seen Jul 2026 · 12 technologies across 10 categories
Authentication
NextAuth.js
since Jun 2026
CDN
jsDelivr
since Jun 2026
JavaScript frameworks
JavaScript graphics
Miscellaneous
Webpack
since Jun 2026
Performance
Priority Hints
since Jun 2026
Programming languages
Node.js
since Jun 2026
UI frameworks
Tailwind CSS
since Jun 2026
Web servers
Nginx
since Mar 2026
Webmail
Google Workspace
since Aug 2022
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
- 100% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.10 / 10 · ranked #3,327,368 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (100.24.25.3)
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 12,212,338, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Ahrefs Jul 2026
- dropped Bootstrap Jul 2026
- dropped cdnjs Jul 2026
- dropped Cloudflare Jul 2026
- dropped Font Awesome Jul 2026
- dropped Google Analytics Jul 2026
- dropped Google Font API Jul 2026
- dropped Highlight.js Jul 2026
- dropped HSTS Jul 2026
- dropped jQuery Jul 2026
- dropped jQuery CDN Jul 2026
- dropped jQuery Sparklines Jul 2026
- dropped jQuery UI Jul 2026
- dropped Raphael Jul 2026
- dropped Select2 Jul 2026
- dropped SweetAlert Jul 2026
- dropped Twitter typeahead.js Jul 2026
- dropped Ubuntu Jul 2026
- dropped Apache HTTP Server Jun 2026
- detected HSTS Mar 2026
- detected Nginx Mar 2026
- detected Twitter typeahead.js Mar 2026