What powers coloradohistoricnewspapers.org?
Last seen Aug 2025 · 13 technologies across 11 categories
Analytics
CDN
Font scripts
JavaScript libraries
Operating systems
Performance
Security
UI frameworks
Web server extensions
Web servers
Webmail
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
Training crawlers
- Google-Extended Blocked
Search and AI assistants
- Applebot Blocked
The other 31 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not checked
- ai.txt not checked
- Sep 2026 applebot-extended removed from robots.txt
- Sep 2026 *: Blocked (was Allowed)
- Sep 2026 amazonbot removed from robots.txt
- Sep 2026 meta-externalagent removed from robots.txt
- Sep 2026 bytespider removed from robots.txt
- Sep 2026 ccbot removed from robots.txt
AI Crawlers
All crawlers blocked
Audience
- 65% desktop
- 31% phone
- 4% tablet
United States
United Kingdom
Canada
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.72 / 10 · ranked #135,310 of all domains
303 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Registered Nov 2005 (20 years) via Cloudflare, Inc., renews Nov 2026
- Hosted on Hurricane Electric (184.105.196.50)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC quarantine, MTA-STS, BIMI
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 538,753, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted