What powers rp-photonics.com?
Last seen Jun 2026 · 4 technologies across 3 categories
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| numerical aperture | #3 | 16,100 |
| avalanche photodiode | #4 | 7,200 |
| fourier spectrum | #3 | 2,600 |
| fiber modes | #1 | 1,100 |
| retardance | #2 | 1,100 |
| mopa definition | #2 | 1,100 |
| opacity | #5 | 1,000 |
| chromatic distortion | #6 | 920 |
| monomode fiber | #2 | 580 |
| bragg condition | #3 | 530 |
| 4 wave mixing | #2 | 470 |
| four wave mixing | #2 | 470 |
| focal number | #5 | 460 |
| s/n ratio | #7 | 460 |
| ultraviolet laser | #2 | 390 |
| focal length formula | #2 | 390 |
| ultraviolet lasers | #1 | 370 |
| what is numerical aperture | #4 | 360 |
| numerical aperture | #71 | 350 |
| ar coating | #5 | 310 |
| interferometer | #5 | 310 |
| scotopic | #2 | 310 |
| q factor | #2 | 310 |
| femtosecond laser | #2 | 260 |
| opacity meaning | #8 | 240 |
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
- 73% desktop
- 26% phone
- 1% tablet
Denmark
United States
India
Japan
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.61 / 10 · ranked #145,516 of all domains
356 referring domains · OpenPageRank
Search traffic
70,100 est. monthly organic visits (US)
9,667 keywords in Google's top 30
Core Web Vitals
| LCP | 1.6 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.2 MB · 19 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.