What powers sfei.org?
Last seen Jun 2026 · 19 technologies across 10 categories
Analytics
Cloudflare Browser Insights
since Oct 2025
Google Analytics
since Feb 2019
CDN
CMS
Google Workspace
since Aug 2022
Font scripts
JavaScript libraries
Marketing automation
MailChimp
since Apr 2026
Performance
Cloudflare Rocket Loader
since Oct 2025
Programming languages
PHP
since Feb 2019
UI frameworks
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| map scale | #7 | 280 |
| san francisco estuary institute | #1 | 270 |
| rmp | #15 | 210 |
| cram | #14 | 100 |
| cram | #14 | 100 |
| cram cram | #12 | 68 |
| cram cram | #12 | 68 |
| sediment | #38 | 64 |
| microplastic fibers | #1 | 64 |
| graphic scale | #6 | 64 |
| sacramento-san joaquin delta | #9 | 50 |
| map scale definition geography | #7 | 49 |
| cari | #13 | 48 |
| cari | #13 | 48 |
| map graphic scale | #2 | 34 |
| purple loosestrife plant | #51 | 31 |
| scale on a map | #4 | 29 |
| large vs small scale maps | #9 | 29 |
| diana lin | #9 | 29 |
| laguna de santa rosa | #5 | 28 |
| teqs | #19 | 22 |
| large scale map vs small scale map | #10 | 21 |
| simple map with scale | #3 | 20 |
| graphical scale map | #3 | 20 |
| head of the tide | #2 | 18 |
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
- 91% desktop
- 9% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.96 / 10 · ranked #112,568 of all domains
287 referring domains · OpenPageRank
Search traffic
3,000 est. monthly organic visits (US)
1,969 keywords in Google's top 30
Core Web Vitals
| LCP | 2.5 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Subdomains
| Host | Techs |
|---|---|
| www.sfei.org | 18 |
| fhab.sfei.org | 6 |
Full technology history →
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Recent changes
- dropped AOS May 2026
- dropped Unpkg May 2026
- detected MailChimp Apr 2026
- dropped Stripe Feb 2026
- detected Bootstrap Icons Dec 2025
- detected Slick Dec 2025
- detected Stripe Dec 2025
- dropped Bootstrap Icons Nov 2025
- dropped Slick Nov 2025
- detected Cloudflare Browser Insights Oct 2025
- detected Cloudflare Rocket Loader Oct 2025
- dropped Ace Aug 2025
- dropped D3 Aug 2025
- dropped Google Hosted Libraries Aug 2025
- dropped RequireJS Aug 2025