What powers 
mettacenter.org?
Last seen Sep 2026 · 40 technologies across 21 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Maps
Marketing automation
Miscellaneous
Operating systems
Performance
Programming languages
Security
Video players
Web servers
Widgets
WordPress plugins
AI Crawlers
Restricts 16 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- AI2Bot Restricted
- Applebot-Extended Restricted
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- cohere-training-data-crawler Restricted
- FacebookBot Restricted
- Google-Extended Restricted
- GoogleOther Restricted
- GPTBot Restricted
- img2dataset Restricted
- meta-externalagent Restricted
- Webzio-Extended Restricted
Search and AI assistants
- Amazonbot Restricted
- DuckAssistBot Restricted
- YouBot Restricted
The other 17 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
16 of 33 AI crawlers restricted
Audience
- 77% desktop
- 23% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.13 / 10 · ranked #490,349 of all domains
109 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 3.4 MB · 95 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Metta Center for Nonviolence
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Squarespace (198.49.23.144)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 669,875, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| archives.mettacenter.org | 30 |
| www.mettacenter.org | 15 |
| mettacenter.org | 11 |
Full technology history →
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Recent changes
- dropped Angular Sep 2026
- dropped TypeScript Sep 2026
- dropped Zone.js Sep 2026
- detected Angular Apr 2026
- detected TypeScript Apr 2026
- detected Zone.js Apr 2026