What powers einstein-online.info?
Last seen Jun 2026 · 9 technologies across 8 categories
Analytics
Matomo Analytics
since Apr 2018
CMS
Databases
MySQL
since Dec 2019
JavaScript libraries
Programming languages
PHP
since Dec 2019
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Apr 2018
WordPress plugins
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| fahrenheit | #6 | 3,700 |
| electron volt | #19 | 660 |
| doppler effect | #10 | 460 |
| solar masses | #4 | 440 |
| solar mass of the sun | #4 | 330 |
| tunnel effect | #4 | 290 |
| time space singularity | #2 | 160 |
| ev energy unit | #2 | 140 |
| twin paradox | #5 | 110 |
| singularity black hole | #3 | 110 |
| gravitational singularity | #3 | 97 |
| equivalence principle | #3 | 97 |
| doppler frequency | #48 | 85 |
| fahrenheit definition | #4 | 79 |
| newton's constant | #44 | 70 |
| gravitational constant | #47 | 70 |
| fahrenheit meaning | #5 | 67 |
| doppler effect meaning | #9 | 66 |
| special theory of relativity | #11 | 60 |
| law of relativity | #45 | 57 |
| what is the mass of the sun | #9 | 54 |
| space geometry | #3 | 53 |
| inertial mass vs gravitational mass | #2 | 52 |
| black hole space time | #2 | 47 |
| what is the solar mass of the sun | #4 | 47 |
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
- 48% phone
- 47% desktop
- 5% tablet
India
Germany
Canada
Australia
Philippines
Austria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.23 / 10 · ranked #227,066 of all domains
261 referring domains · OpenPageRank
Search traffic
10,500 est. monthly organic visits (US)
2,068 keywords in Google's top 30
Core Web Vitals
| LCP | 2.3 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 2.0 MB · 71 requests
- WordPress theme: sliderblogres · all themes
Homepage as crawled by the HTTP Archive, Jul 2026.