What powers profusa.com?
Last seen Sep 2026 · 33 technologies across 20 categories
Accessibility
Advertising
CDN
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
UI frameworks
Web servers
Webmail
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 51% desktop
- 49% phone
United States
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.32 / 10 · ranked #1,105,794 of all domains
101 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.6 MB · 58 requests
- WordPress theme: hello-elementor · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.21)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 1,967,916, 3 hosts
- Verified with: Apple Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| profusa.com | 22 |
| investors.profusa.com | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- detected CookieYes Sep 2026
- detected Microsoft Advertising Sep 2026
- detected Microsoft 365 Jul 2026
- dropped Ubuntu Jun 2026
- dropped LazySizes May 2026
- dropped NitroPack May 2026
- detected Elementor Apr 2026
- detected Hello Elementor Apr 2026
- detected jQuery Apr 2026
- detected jQuery Migrate Apr 2026
- detected jQuery UI Apr 2026
- detected Priority Hints Apr 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- detected Yoast SEO Apr 2026
- dropped Isotope Jan 2026
- dropped jQuery Jan 2026
- dropped jQuery Migrate Jan 2026
- detected LazySizes Dec 2025
- detected NitroPack Dec 2025
- dropped Apache HTTP Server Nov 2025
- dropped Backbone.js Nov 2025
- dropped Microsoft 365 Nov 2025
- dropped Ninja Forms Nov 2025
- dropped Shareaholic Nov 2025
- dropped Underscore.js Nov 2025