What powers calsign.org?
Last seen Sep 2026 · 28 technologies across 11 categories
CMS
Databases
MySQL
since Aug 2022
Font scripts
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Mar 2024
Programming languages
PHP
since Aug 2022
Security
Web servers
Apache HTTP Server
since Aug 2022
LiteSpeed
since Feb 2025
Widgets
FlexSlider
since Aug 2022
WordPress plugins
Contact Form 7
since Aug 2022
The Events Calendar
since Aug 2022
WooCommerce Subscriptions
since Mar 2024
WP-PageNavi
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.37 / 10 · ranked #7,778,961 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1200 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 5.4 MB · 100 requests
- WordPress theme: parlament (child: parlament-child) · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Email: calsign.org
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 41,227,271, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| calsign.org | 25 |
| www.calsign.org | 23 |
Full technology history →
Report an incorrect detection