What powers nfrc.org?
Last seen Jun 2026 · 35 technologies across 21 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| nfrc | #1 | 400 |
| nfrc ratings | #1 | 180 |
| coefficient | #84 | 130 |
| define facade | #87 | 130 |
| nfrc windows | #1 | 110 |
| rating | #66 | 70 |
| nfrc window ratings | #1 | 64 |
| nfrc certified | #1 | 64 |
| building energy rating | #25 | 57 |
| window film | #82 | 53 |
| energy efficient windows | #35 | 53 |
| nfrc rating windows | #1 | 52 |
| fenestration | #31 | 47 |
| define efficient | #64 | 47 |
| define coefficient | #88 | 38 |
| window nation | #22 | 37 |
| nfrc window label | #1 | 33 |
| energy star | #50 | 31 |
| pesi login | #30 | 25 |
| what does product mean in math | #79 | 23 |
| gif meaning | #67 | 23 |
| nfrc product directory | #1 | 21 |
| renewal by andersen windows | #73 | 19 |
| nfrc cpd | #2 | 18 |
| pesi training | #19 | 18 |
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.
Audience
- 93% desktop
- 7% phone
United States
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.72 / 10 · ranked #61,162 of all domains
421 referring domains · OpenPageRank
Search traffic
2,700 est. monthly organic visits (US)
2,834 keywords in Google's top 30
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 6.7 MB · 70 requests
- WordPress theme: divi · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.nfrc.org | 28 |
| nfrc.org | 21 |
| essearch.nfrc.org | 4 |
| search.nfrc.org | 3 |
| cpd.nfrc.org | 2 |
Full technology history →
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Recent changes
- detected HubSpot Mar 2026
- detected HubSpot Analytics Mar 2026
- detected HubSpot WordPress plugin Mar 2026
- detected Cloudflare Oct 2025
- detected Cloudflare Bot Management Oct 2025
- dropped lit-element Oct 2025
- dropped lit-html Oct 2025
- dropped Cloudflare Sep 2025
- dropped Cloudflare Bot Management Sep 2025