What powers openei.org?
Last seen Jun 2026 · 31 technologies across 17 categories
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Apache HTTP Server
since Jun 2018
Wikis
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| electricity cost by zip code | #1 | 580 |
| central hudson | #30 | 130 |
| open ei | #1 | 120 |
| what is wave energy | #2 | 96 |
| climate zones | #11 | 90 |
| los alamos national laboratory | #59 | 85 |
| green button | #6 | 64 |
| electric rates by zip code | #6 | 64 |
| wind farm near me | #1 | 58 |
| fnal | #39 | 57 |
| average cost of utilities by zip code | #1 | 52 |
| average utilities costs by zip code | #1 | 52 |
| wind turbines near me | #2 | 48 |
| wind turbine farm | #47 | 47 |
| windmill farms | #36 | 35 |
| electricity rates | #15 | 34 |
| climate zone 4a | #1 | 33 |
| estimated utility cost by address | #3 | 31 |
| wave energy definition | #3 | 29 |
| windmills near me | #3 | 28 |
| retscreen software | #2 | 28 |
| utility rates | #4 | 26 |
| average utility costs by zip code | #1 | 26 |
| us wind farms map | #3 | 25 |
| progress energy | #81 | 25 |
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
- 75% desktop
- 25% phone
United States
India
United Kingdom
Indonesia
Canada
Brazil
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.95 / 10 · ranked #47,955 of all domains
563 referring domains · OpenPageRank
Search traffic
3,100 est. monthly organic visits (US)
1,216 keywords in Google's top 30
Core Web Vitals
| LCP | 2.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 10.6 MB · 57 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| openei.org | 17 |
| apps.openei.org | 13 |
| data.openei.org | 13 |
| gdr.openei.org | 13 |
| mhkdr.openei.org | 13 |
| dcam.openei.org | 12 |
| redi.openei.org | 12 |
| www.openei.org | 10 |
| auth.openei.org | 5 |