What powers urbanafreelibrary.org?
Last seen Oct 2026 · 23 technologies across 16 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Hosting
JavaScript libraries
Load balancers
Operating systems
PaaS
Programming languages
Security
Web frameworks
Web servers
Webmail
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 53% desktop
- 47% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.44 / 10 · ranked #959,716 of all domains
52 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 8.1 MB · 335 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (23.185.0.2, IPv6)
- DNS: IONOS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 793,114, 4 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| urbanafreelibrary.org | 20 |
| archivescatalog.urbanafreelibrary.org | 4 |
Full technology history →
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Recent changes
- detected Google Workspace Feb 2026