What powers vulcan-sof.com?
Last seen Aug 2026 · 7 technologies across 7 categories
Analytics
Google Analytics
since May 2020
Font scripts
Google Font API
since Feb 2026
JavaScript frameworks
Miscellaneous
Open Graph
since Feb 2026
Performance
Priority Hints
since Feb 2026
Programming languages
TypeScript
since Sep 2022
Security
HSTS
since Sep 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
- 95% desktop
- 5% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.01 / 10 · ranked #1,564,612 of all domains
26 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.6 s |
| INP | 75 ms |
| CLS | 0.3 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.2 MB · 18 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vulcan
- Industry: Software and apps (declares
SoftwareApplication) - Profiles: LinkedIn
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on AWS-GOVCLOUD AWS-GOVCLOUD (52.222.99.11)
- DNS: DigitalOcean
- Email: office365.us
- Email security: SPF (hard fail), DMARC quarantine
- SSL: GoDaddy, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 6,895,590, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Google Analytics Aug 2026
- dropped Chart.js Mar 2026
- dropped core-js Mar 2026
- dropped Google Analytics Mar 2026
- dropped Java Mar 2026
- dropped Nginx Mar 2026
- dropped PWA Mar 2026
- dropped Swiper Mar 2026
- dropped Zone.js Mar 2026