What powers alcs.us?
Last seen Jun 2026 · 14 technologies across 9 categories
CDN
Amazon CloudFront
since Sep 2020
Google Hosted Libraries
since Feb 2022
Font scripts
JavaScript libraries
Operating systems
Red Hat
since Apr 2019
PaaS
Amazon Web Services
since Sep 2020
Programming languages
Web server extensions
Web servers
Apache Tomcat
since Apr 2019
Webmail
Google Workspace
since Aug 2022
Audience
- 53% phone
- 47% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.84 / 10 · ranked #4,136,551 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 4.5 MB · 46 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Apache HTTP Server Sep 2025
- detected Apache Tomcat Sep 2025
- detected mod_jk Sep 2025
- detected OpenSSL Sep 2025
- detected PHP Sep 2025
- detected Red Hat Sep 2025