What powers span.io?
Last seen Jun 2026 · 32 technologies across 18 categories
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Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| smart panel | #1 | 730 |
| smart electrical panel | #1 | 490 |
| smart breaker box | #1 | 220 |
| span | #14 | 190 |
| circuit breaker panel | #4 | 180 |
| power panel | #3 | 130 |
| span calculator | #2 | 96 |
| span io | #1 | 90 |
| breaker panel | #11 | 74 |
| span | #64 | 70 |
| span | #38 | 70 |
| level 2 evse charger | #74 | 70 |
| smart electrical panel 200 amp | #1 | 64 |
| spanio | #1 | 52 |
| span drive | #1 | 52 |
| electrical panel and breakers | #13 | 48 |
| fuse box | #42 | 47 |
| smart subpanel | #1 | 43 |
| smart power panel | #1 | 43 |
| smart fusebox | #1 | 43 |
| span panel installation | #1 | 43 |
| span ev charger | #1 | 43 |
| span breakers | #1 | 43 |
| 100 amp breaker panel | #11 | 40 |
| home electrical panel | #5 | 38 |
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
- 70% phone
- 29% desktop
- 1% tablet
United States
India
Germany
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.95 / 10 · ranked #113,321 of all domains
271 referring domains · OpenPageRank
Search traffic
6,300 est. monthly organic visits (US)
5,523 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 12.0 MB · 184 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.span.io | 26 |
| techportal.span.io | 13 |
| support.span.io | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Font API Apr 2026
- detected Google Hosted Libraries Apr 2026
- dropped Hotjar Feb 2026
- detected Microsoft Clarity Sep 2025
- dropped Nextdoor Ads Sep 2025
- dropped TikTok Pixel Sep 2025
- detected GSAP Aug 2025