What powers preservationdurham.org?
Last seen Sep 2026 · 33 technologies across 19 categories
Analytics
CMS
CRM
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Performance
Photo galleries
Programming languages
Security
UI frameworks
Web servers
Webmail
Widgets
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.53 / 10 · ranked #2,444,701 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.1 MB · 62 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (35.172.94.1)
- DNS: Namecheap
- Email: no MX record returned, SPF names Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 2,576,962, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| preservationdurham.org | 22 |
| www.preservationdurham.org | 15 |
Full technology history →
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Recent changes
- dropped Webpack Feb 2026