What powers 
res.us?
Last seen Sep 2026 · 48 technologies across 22 categories
Advertising
Analytics
Authentication
CDN
CMS
Databases
Font scripts
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Programming languages
Search engines
Security
Tag managers
UI frameworks
Video players
Web servers
Webmail
Widgets
WordPress plugins
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 found
- ai.txt not found
- Aug 2026 llms.txt appeared
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 75% desktop
- 25% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.13 / 10 · ranked #488,916 of all domains
110 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 22.5 MB · 153 requests
- WordPress theme: res · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Resource Environmental Solutions, LLC
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (141.193.213.10)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 2,286,551, 4 hosts
- Verified with: Google, Rippling
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| res.us | 29 |
| expertcenter.res.us | 26 |
| delorean.res.us | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped The SEO Framework Jun 2026
- detected RankMath SEO May 2026
- detected jQuery Migrate Apr 2026
- detected jsDelivr Apr 2026