What powers sjvls.org?
Last seen Sep 2026 · 20 technologies across 14 categories
Analytics
Google Analytics
since Feb 2020
CDN
CMS
Font scripts
Google Font API
since Feb 2020
JavaScript libraries
Miscellaneous
RSS
since Dec 2022
Operating systems
CentOS
since Jan 2016
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Security
HSTS
since Jun 2023
Web frameworks
Microsoft ASP.NET
since Dec 2023
Web server extensions
Web servers
EZproxy
since Mar 2023
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 67% phone
- 33% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.15 / 10 · ranked #1,344,017 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.4 MB · 24 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- San Joaquin Valley Library System
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on CENIC-2152 (209.129.121.10)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record
- SSL: Entrust, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 702,025, 34 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sjvls.org | 14 |
| www.sjvls.org | 14 |
| digital.sjvls.org | 10 |
| smartpay.sjvls.org | 4 |
| login.fr.ezproxy.sjvls.org | 3 |