What powers erc.edu?
Last seen Jun 2026 · 52 technologies across 22 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| erc | #8 | 360 |
| basic life support certification | #74 | 350 |
| bls certification | #66 | 350 |
| cardiopulmonary arrest | #91 | 280 |
| cardiopulmonary arrest | #91 | 280 |
| basic life saving | #30 | 230 |
| cardiopulmonary resuscitation | #65 | 230 |
| cardiopulmonary resuscitation | #37 | 230 |
| cardiopulmonary resuscitation | #65 | 230 |
| cardiopulmonary resuscitation | #37 | 230 |
| cpr | #82 | 230 |
| cpr | #82 | 230 |
| cardiac arrest | #86 | 210 |
| cardiac arrest | #86 | 210 |
| chain of survival | #3 | 190 |
| what is bls | #7 | 170 |
| resuscitation | #7 | 160 |
| advanced life support | #5 | 61 |
| basic life support | #11 | 49 |
| basic trauma life support | #49 | 47 |
| aspiration definition | #85 | 43 |
| erc | #20 | 43 |
| resuscitate | #50 | 38 |
| le peep | #59 | 38 |
| pediatric advanced life support algorithm | #11 | 37 |
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
- 50% phone
- 46% desktop
- 4% tablet
Netherlands
Greece
Portugal
Germany
France
Spain
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.84 / 10 · ranked #54,183 of all domains
437 referring domains · OpenPageRank
Search traffic
6,800 est. monthly organic visits (US)
5,339 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.9 MB · 41 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| get-trained.erc.edu | 25 |
| erc.edu | 23 |
| support.erc.edu | 17 |
| www.erc.edu | 15 |
| cms.erc.edu | 14 |
| cpr-dashboard.erc.edu | 11 |
| cosy.erc.edu | 10 |
| my.erc.edu | 10 |
Full technology history →
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Recent changes
- detected Cloudflare Browser Insights Nov 2025
- detected AOS Oct 2025
- detected Cookiebot Oct 2025
- detected GSAP Oct 2025
- detected Microsoft Advertising Oct 2025
- detected Microsoft ASP.NET Oct 2025
- detected Tailwind CSS Oct 2025