What powers spencerinstitute.com?
Last seen Aug 2026 · 31 technologies across 19 categories
Analytics
Caching
CDN
CMS
Databases
Issue trackers
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Payment processors
Performance
Programming languages
Security
SEO
UI frameworks
Web servers
WordPress plugins
WordPress themes
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 52% desktop
- 48% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.45 / 10 · ranked #946,189 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 1.9 MB · 149 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Spencer Institute
- Profiles: Facebook
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on VPSDATACENTER (173.249.144.46)
- DNS: nexcess.net
- Email: spencerinstitute.com
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,868,171, 2 hosts
- Verified with: Google, Meta Business
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
- detected Underscore.js Aug 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Feb 2026
- dropped Cloudflare Bot Management Feb 2026