What powers er9.org?
Last seen Jun 2026 · 24 technologies across 12 categories
CDN
Mailgun
since Jun 2024
Font scripts
Google Font API
since Sep 2023
JavaScript frameworks
AlertifyJS
since Sep 2024
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Sep 2024
RUM
Datadog
since Sep 2024
Security
UI frameworks
Web servers
Nginx
since Sep 2023
Webmail
Apple iCloud Mail
since Jan 2023
Google Workspace
since Aug 2022
Audience
- 76% desktop
- 24% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.86 / 10 · ranked #1,843,688 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 111.4 MB · 158 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| hkms.er9.org | 24 |
| jrms.er9.org | 24 |
| sses.er9.org | 24 |
| www.er9.org | 23 |