What powers ibew540.org?
Last seen Sep 2026 · 20 technologies across 14 categories
Analytics
CDN
Customer data platform
Development
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Performance
Programming languages
Security
UI frameworks
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.17 / 10 · ranked #10,260,305 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 100 ms |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 3.1 MB · 115 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- IBEW Local Union 540
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: microsoftonline.com
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 31,629,974, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Google Tag Manager Sep 2026
- detected Google Analytics Aug 2026
- detected Rudderstack Aug 2026
- dropped Lodash Jan 2026
- detected Turbopack Dec 2025