What powers zcenter.org?
Last seen Oct 2026 · 40 technologies across 23 categories
Analytics
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Load balancers
Maps
Miscellaneous
PaaS
Performance
Programming languages
Security
Tag managers
Video players
Web servers
Webmail
Widgets
WordPress plugins
WordPress themes
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
- 70% desktop
- 30% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #809,796 of all domains
62 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0.05 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Google
- Weight: 5.8 MB · 115 requests
- WordPress theme: astra (child: zcenter-child) · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zacharias Sexual Abuse Center
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.21.45.244, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
- Common Crawl link graph: rank 7,013,434, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected MetaSlider Oct 2026
- detected Nginx Oct 2026
- detected jQuery UI Aug 2026
- detected Popup Maker Aug 2026
- detected Twitter Emoji (Twemoji) Aug 2026
- dropped jQuery UI Jul 2026
- dropped Popup Maker Jul 2026
- detected Vimeo Jul 2026
- detected jQuery UI Mar 2026
- detected Popup Maker Mar 2026
- dropped jQuery UI Feb 2026
- dropped Popup Maker Feb 2026
- detected jQuery UI Dec 2025
- detected Popup Maker Dec 2025
- dropped WP-Optimize Dec 2025