What powers csdt.org?
Last seen Aug 2026 · 12 technologies across 10 categories
Analytics
CDN
Font scripts
JavaScript libraries
Load balancers
Miscellaneous
PaaS
Programming languages
UI frameworks
Web servers
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Search and AI assistants
- Applebot Blocked
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
1 of 33 AI crawlers blocked
Audience
- 90% desktop
- 10% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,139,996 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 6.4 MB · 74 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Amazon Trust Services, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 680,276, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted