What powers 
nabtu.org?
Last seen Sep 2026 · 32 technologies across 18 categories
Analytics
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Miscellaneous
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Performance
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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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| trade unions | #2 | 1,100 |
| international union of operating engineers | #2 | 1,100 |
| brotherhood of teamsters | #4 | 980 |
| iuec | #1 | 880 |
| trade unions near me | #1 | 580 |
| building construction trades | #1 | 490 |
| building and trades | #1 | 370 |
| sheet metal workers international | #4 | 290 |
| construction trades | #3 | 280 |
| nabtu | #1 | 240 |
| international brotherhood of boilermakers | #4 | 220 |
| international union of elevator constructors | #1 | 180 |
| heat and frost insulators | #2 | 160 |
| how to get into union construction | #1 | 150 |
| construction union | #1 | 130 |
| welders union | #2 | 130 |
| union apprenticeships near me | #2 | 130 |
| trades | #7 | 130 |
| international operating engineers | #7 | 130 |
| bac union | #4 | 120 |
| elevator constructors | #2 | 110 |
| laborers international union of north america | #3 | 96 |
| operating engineers union | #5 | 93 |
| pla project | #3 | 93 |
| building trades unions | #1 | 89 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 61% desktop
- 39% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.14 / 10 · ranked #100,740 of all domains
329 referring domains · OpenPageRank
Search traffic
13,400 est. monthly organic visits (US)
2,273 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.7 MB · 73 requests
- WordPress theme: buildingtrades · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- NABTU (North America's Building Trades Unions on Wikidata)
- Founded: 1907
- Country: United States
- Profiles: Instagram
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Registered Jan 2015 (11 years) via Network Solutions, LLC, renews Jan 2027
- Hosted on Amazon Web Services (3.214.199.135)
- DNS: Network Solutions
- Email: Proofpoint Essentials
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 567,629, 4 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted