What powers rockd.org?
Last seen Aug 2026 · 5 technologies across 4 categories
CDN
Cloudflare
since Jan 2025
Mailgun
since Aug 2022
Font scripts
Google Font API
since Mar 2026
Miscellaneous
Open Graph
since Mar 2026
PWA
since Mar 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 65% phone
- 35% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #786,104 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.2 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.7 MB · 48 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on WISC-MADISON-AS (128.105.82.188, IPv6)
- DNS: Cloudflare DNS
- Email: Mailgun
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,584,047
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Express May 2026
- dropped Node.js May 2026
- dropped Bootstrap Apr 2026
- dropped Google Analytics Apr 2026
- dropped HSTS Apr 2026
- dropped Nginx Apr 2026
- detected Express Mar 2026
- detected Google Font API Mar 2026
- detected Node.js Mar 2026
- detected Open Graph Mar 2026
- detected PWA Mar 2026