What powers rsi.edu?
Last seen Jun 2026 · 50 technologies across 24 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| heat exchanger | #4 | 1,500 |
| copper melting temperature | #5 | 520 |
| copper melting temperature | #5 | 520 |
| rsi school | #1 | 490 |
| how long does it take to become an electrician | #3 | 390 |
| hvac compressor | #3 | 390 |
| air conditioner components | #5 | 250 |
| what does furnace look like | #2 | 210 |
| how long to become an electrician | #3 | 190 |
| welding schools in arizona | #1 | 160 |
| nuclear welding | #2 | 160 |
| superheat | #5 | 160 |
| how to adjust expansion valve | #1 | 130 |
| rsi phoenix | #1 | 120 |
| single phase motor vs three phase motor | #1 | 120 |
| melting temp of brass | #8 | 80 |
| what is ducting work | #1 | 79 |
| hvacr technicians | #49 | 78 |
| compressor definition | #7 | 69 |
| superheat hvac definition | #1 | 64 |
| welding parameters | #1 | 64 |
| air conditioner compressor | #30 | 64 |
| brass melting point | #10 | 61 |
| what is hvac | #59 | 57 |
| how long does it take to become a journeyman electrician | #3 | 57 |
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
- 69% phone
- 31% desktop
United States
India
Philippines
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.35 / 10 · ranked #85,215 of all domains
198 referring domains · OpenPageRank
Search traffic
11,700 est. monthly organic visits (US)
4,459 keywords in Google's top 30
Core Web Vitals
| LCP | 3.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 5.1 MB · 113 requests
- WordPress theme: rsi-main-site-24-theme · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.rsi.edu | 40 |
| go.rsi.edu | 30 |
| myportal.rsi.edu | 13 |
Full technology history →
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Recent changes
- detected Mailgun Apr 2026
- detected Twitter Emoji (Twemoji) Mar 2026
- detected Sendgrid Oct 2025
- dropped Sendgrid Sep 2025