What powers josephinelibrary.org?
Last seen Sep 2026 · 17 technologies across 11 categories
Analytics
CDN
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
SEO
Web servers
AI Crawlers
Blocks 32 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- GoogleAgent-Mariner Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 1 AI crawler we track is not mentioned and only inherits the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
32 of 33 AI crawlers blocked
Audience
- 75% phone
- 25% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.99 / 10 · ranked #1,605,188 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 0.7 MB · 65 requests
- WordPress theme: jcld · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (104.196.197.188)
- DNS: Name.com
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 2,976,638, 3 hosts
- Verified with: Brevo, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| josephinelibrary.org | 15 |
| summerreadingprogram.josephinelibrary.org | 7 |
Full technology history →
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Recent changes
- dropped The Events Calendar May 2026
- detected Umami Apr 2026
- detected Twitter Emoji (Twemoji) Mar 2026