What powers 
robertelder.org?
Last seen Sep 2026 · 29 technologies across 15 categories
Advertising
Analytics
CDN
Ecommerce
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Payment processors
Performance
Security
Tag managers
Webmail
Widgets
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 found
- llms-full.txt found
- ai.txt not found
- Oct 2026 llms.txt appeared
- Oct 2026 llms-full.txt appeared
- Oct 2026 *: Restricted (was Allowed)
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.21 / 10 · ranked #450,701 of all domains
91 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- CDN: Amazon CloudFront
- Weight: 1.1 MB · 49 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered May 2014 (12 years) via Amazon Registrar, Inc., renews May 2027
- Hosted on Amazon Web Services (18.155.1.67, IPv6)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 518,999, 9 hosts
- Verified with: Google, Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| shopify.robertelder.org | 19 |
| blog.robertelder.org | 16 |
| store.robertelder.org | 14 |
| www.robertelder.org | 14 |
| amp-blog.robertelder.org | 9 |
Full technology history →
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Recent changes
- detected Priority Hints Mar 2026