What powers 
nrgenergy.com?
Last seen Oct 2026 · 23 technologies across 15 categories
Analytics
Hosting
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Operating Systems
Programming languages
Security
Tag Managers
UI frameworks
Web Frameworks
Web Mail
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 71% desktop
- 29% phone
United States
India
Canada
Pakistan
Nigeria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.66 / 10 · ranked #377,492 of all domains
135 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English (United States)
- Weight: 0.9 MB · 65 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Registered Mar 1996 (30 years) via GoDaddy.com, LLC, renews Mar 2030
- Hosted on NRG-NS-2 - NRG Energy, Inc. (158.81.200.53)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, MTA-STS, BIMI
- SSL: DigiCert, RSA 4096, expires Apr 2027
- Common Crawl link graph: rank 2,048,768, 6 hosts
- Verified with: Adobe, Cisco, Cisco Duo, Docker, Google, KnowBe4, Microsoft 365, Miro and 1 more
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| careers.nrgenergy.com | 10 |
| www.nrgenergy.com | 8 |
| my.nrgenergy.com | 6 |
| webmail.nrgenergy.com | 5 |
Full technology history →
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Recent changes
- detected Lightbox Jul 2026