What powers 
thearcofil.org?
Last seen Sep 2026 · 41 technologies across 17 categories
Accessibility
Analytics
CDN
CMS
CRM
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 58% desktop
- 42% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.73 / 10 · ranked #291,189 of all domains
136 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 4.1 MB · 117 requests
- WordPress theme: arc-of-illinois · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- The Arc of Illinois
From the homepage's own structured data (Sep 2026).
Infrastructure
- Registered Aug 1996 (30 years) via Network Solutions, LLC, renews Aug 2031
- Hosted on Google Cloud (35.193.2.120)
- DNS: Network Solutions
- Email: Barracuda
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,444,098, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- dropped WPMU DEV Smush May 2026
- detected Draftpress HFCM Nov 2025