What powers calspan.com?
Last seen Jun 2026 · 22 technologies across 15 categories
Analytics
Google Analytics
since Aug 2018
Leadfeeder
since Feb 2025
CDN
cdnjs
since Jan 2022
Cloudflare
since Jun 2021
CMS
Concrete CMS
since Jan 2022
Mailgun
since Aug 2022
Font scripts
Google Font API
since Aug 2018
JavaScript libraries
Live chat
Pipedrive
since Jan 2022
Miscellaneous
Programming languages
Retargeting
Google Remarketing Tag
since Jul 2021
Security
Cloudflare Bot Management
since Jan 2022
HSTS
since Oct 2023
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Web servers
LiteSpeed
since Jan 2022
Webmail
Microsoft 365
since May 2023
Audience
- 57% phone
- 43% desktop
Brazil
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.21 / 10 · ranked #449,580 of all domains
97 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 13.6 MB · 82 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calspan.com | 18 |
| calspan.com | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Leadfeeder Mar 2026
- dropped Leadfeeder Nov 2025