What powers parcradio.org?
Last seen Oct 2026 · 7 technologies across 7 categories
Analytics
Caching
CDN
Miscellaneous
PaaS
Performance
Security
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 not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 58% desktop
- 42% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.81 / 10 · ranked #4,278,894 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.4 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.2 MB · 12 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- PARC Radio & Technology
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Namecheap
- Email: Namecheap
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 16,200,149, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped PayPal Oct 2026
- detected Cloudflare Browser Insights Sep 2026
- detected Open Graph Sep 2026
- detected Priority Hints Sep 2026
- dropped Cloudflare Apr 2026
- dropped Cloudflare Bot Management Apr 2026
- detected Cloudflare Dec 2025
- detected Cloudflare Bot Management Dec 2025