What powers holtplumbing.com?
Last seen Sep 2026 · 23 technologies across 15 categories
Accessibility
Analytics
CDN
CMS
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Photo galleries
Security
UI frameworks
Web servers
Webmail
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 found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,117,189 of all domains
87 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 10.5 MB · 129 requests
- Structured data: JSON-LD, Microdata, 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 Amazon Web Services (199.180.140.11)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 9,579,693, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Facebook Login Sep 2026
- detected Facebook Pixel May 2026
- dropped Amazon ALB Mar 2026
- dropped Facebook Pixel Mar 2026
- dropped Google Analytics Mar 2026
- dropped Google Tag Manager Mar 2026
- dropped Microsoft Advertising Mar 2026
- detected React Feb 2026
- detected styled-components Feb 2026
- dropped Webpack Jan 2026