What powers ycusd.org?
Last seen Aug 2026 · 18 technologies across 11 categories
Analytics
Google Analytics
since Aug 2018
Siteimprove
since Feb 2023
CDN
Font scripts
JavaScript frameworks
JavaScript libraries
Slick
since Aug 2018
Operating systems
Windows Server
since Aug 2018
UI frameworks
Video players
YouTube
since Feb 2019
Web frameworks
Microsoft ASP.NET
since Aug 2018
Web servers
Webmail
Apple iCloud Mail
since Jan 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Aug 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 64% desktop
- 36% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.84 / 10 · ranked #1,888,808 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.55 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.2 MB · 138 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (34.208.0.245)
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 3072, expires Dec 2026
- Common Crawl link graph: rank 2,912,178, 21 hosts
- Verified with: Adobe, Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| aks.ycusd.org | 18 |
| alt.ycusd.org | 18 |
| aphs.ycusd.org | 18 |
| april.ycusd.org | 18 |
| barry.ycusd.org | 18 |
| bridge.ycusd.org | 18 |
| butte.ycusd.org | 18 |
| childdev.ycusd.org | 18 |
| gray.ycusd.org | 18 |
| king.ycusd.org | 18 |
| lincoln.ycusd.org | 18 |
| lincrest.ycusd.org | 18 |
| park.ycusd.org | 18 |
| riverbend.ycusd.org | 18 |
| rvhs.ycusd.org | 18 |
| tierra.ycusd.org | 18 |
| www.ycusd.org | 18 |
| ychs.ycusd.org | 18 |