What powers spie.org?
Last seen Jun 2026 · 54 technologies across 24 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| bacus | #2 | 8,000 |
| numerical aperture | #7 | 4,200 |
| spectrometer | #3 | 2,200 |
| spie | #1 | 2,000 |
| digital micromirror device | #12 | 680 |
| photonics west | #1 | 580 |
| west world | #62 | 420 |
| photoreceptors | #5 | 380 |
| what is a photon | #7 | 380 |
| opto | #6 | 380 |
| maxwell equations | #9 | 310 |
| james francis cameron | #20 | 260 |
| spie conference | #1 | 220 |
| sf usa | #87 | 210 |
| automatic target recognition | #10 | 210 |
| what is a spectroscope | #4 | 190 |
| lase | #5 | 190 |
| digital micromirror device | #38 | 190 |
| spie optics and photonics | #1 | 180 |
| moscone center | #39 | 170 |
| photoreceptors cones | #5 | 170 |
| spie photonics west | #2 | 160 |
| photon | #31 | 160 |
| telescope | #39 | 140 |
| lithography semiconductor | #2 | 130 |
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
- 84% desktop
- 16% phone
Italy
Canada
South Korea
Switzerland
Taiwan
South Africa
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
8.00 / 10 · ranked #7,612 of all domains
3,209 referring domains · OpenPageRank
Search traffic
34,100 est. monthly organic visits (US)
13,563 keywords in Google's top 30
Core Web Vitals
| LCP | 3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Incapsula
- Weight: 10.8 MB · 145 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| spie.org | 34 |
| www.spie.org | 34 |
| payment.spie.org | 32 |
| lux.spie.org | 30 |
| checkout.spie.org | 21 |
| credential.spie.org | 19 |
| authorhub.spie.org | 13 |
| amp.spie.org | 12 |
| oauth.spie.org | 11 |
Full technology history →
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Recent changes
- detected Priority Hints Mar 2026
- detected Apple iCloud Mail Aug 2025
- detected Marketo Aug 2025