What powers 
wvsos.gov?
Last seen Jun 2026 · 34 technologies across 17 categories
Analytics
Google Analytics
since Dec 2020
CDN
Amazon CloudFront
since Nov 2024
Amazon S3
since Nov 2024
cdnjs
since Oct 2025
Cloudflare
since Dec 2020
jsDelivr
since Oct 2025
Amazon SES
since Oct 2025
Font scripts
JavaScript frameworks
JavaScript graphics
ECharts
since Oct 2025
JavaScript libraries
AOS
since Oct 2025
SweetAlert
since Mar 2020
Miscellaneous
Operating systems
Windows Server
since Mar 2020
PaaS
Amazon Web Services
since Nov 2024
Programming languages
TypeScript
since Nov 2024
RUM
Cloudflare Browser Insights
since Jun 2021
Security
HSTS
since Nov 2024
UI frameworks
Web frameworks
Microsoft ASP.NET
since Mar 2020
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 70% desktop
- 30% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.01 / 10 · ranked #561,253 of all domains
53 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.0 MB · 47 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on TYLERTECH-NIC1 (206.16.212.157)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,178,594, 7 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cfrs.wvsos.gov | 15 |
| erls.wvsos.gov | 13 |
| candidates.wvsos.gov | 10 |
| verify.wvsos.gov | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- detected PDF.js Mar 2026
- dropped Angular Material Jan 2026
- dropped AngularJS Jan 2026
- dropped Highcharts Jan 2026
- dropped Ionicons Jan 2026
- dropped Moment.js Jan 2026