What powers iris.edu?
Last seen Jun 2026 · 35 technologies across 15 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| richter magnitude | #5 | 1,900 |
| seismograph | #3 | 1,800 |
| plate motion | #9 | 1,700 |
| reverse fault | #1 | 1,600 |
| s waves | #2 | 980 |
| divergent plate margins | #7 | 850 |
| magnitude scale | #8 | 800 |
| s wave | #2 | 660 |
| seismic plates map | #8 | 650 |
| secondary waves | #3 | 590 |
| seismometer | #4 | 440 |
| strike slip fault | #4 | 440 |
| transform boundary | #9 | 410 |
| seismology | #13 | 330 |
| earthquake waves | #7 | 310 |
| transform fault | #3 | 280 |
| how often do earthquakes occur | #1 | 270 |
| types of faults | #4 | 240 |
| moment magnitude scale | #4 | 240 |
| earthquake bomb | #3 | 230 |
| plate motion | #69 | 230 |
| what is the epicenter of the earthquake | #3 | 190 |
| shadow zone | #2 | 160 |
| what is a reverse fault | #1 | 150 |
| earthquake epicenter | #4 | 150 |
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
- 67% phone
- 29% desktop
- 4% tablet
Mexico
Argentina
Philippines
Colombia
Chile
Portugal
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.33 / 10 · ranked #27,256 of all domains
897 referring domains · OpenPageRank
Search traffic
29,200 est. monthly organic visits (US)
7,251 keywords in Google's top 30
Core Web Vitals
| LCP | 4.7 s |
| INP | 200 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.5 MB · 23 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| dev.iris.edu | 15 |
| geoserver.iris.edu | 15 |
| www.iris.edu | 15 |
| iris.edu | 13 |
| ds.iris.edu | 10 |
| dmc.iris.edu | 9 |
| fdsn.adc1.iris.edu | 9 |
| service.iris.edu | 9 |
| www.adc1.iris.edu | 9 |
| www.ds.iris.edu | 9 |
| service.adc1.iris.edu | 8 |
Full technology history →
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