What powers supplemental.com?
Last seen Oct 2026 · 22 technologies across 13 categories
Analytics
CDN
CMS
Databases
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Web servers
Webmail
Widgets
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.41 / 10 · ranked #7,397,061 of all domains
13 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 5.6 MB · 19 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Supplemental Staffing
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on CDN77 (156.146.43.72, IPv6)
- DNS: lighthouse-cloud.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Jan 2027
- Common Crawl link graph: rank 13,508,249, 4 hosts
- Verified with: Apple Business, Google, Meta Business
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.supplemental.com | 18 |
| blog.supplemental.com | 12 |
Full technology history →
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Recent changes
- detected Apple iCloud Mail Oct 2026
- detected Backdrop Oct 2026
- detected Less Oct 2026
- detected Odoo Oct 2026
- detected PHP Oct 2026
- detected Popper Oct 2026
- detected PostgreSQL Oct 2026
- detected Python Oct 2026
- dropped Lucky Orange Aug 2026
- detected Lucky Orange Mar 2026