What powers 
k12.sd.us?
Last seen Sep 2026 · 176 technologies across 42 categories
Accessibility
Pojo.me
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DoubleVerify
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since Jun 2021
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Amazon CloudFront
since Jul 2021
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since Mar 2022
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since Aug 2018
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since Oct 2021
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since Aug 2018
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since Feb 2026
Vue.js
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since Sep 2026
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since Feb 2021
Closure Library
since Oct 2023
FingerprintJS
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HeadJS
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since Nov 2025
libphonenumber
since Jun 2025
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since Aug 2018
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since Aug 2020
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prettyPhoto
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since Sep 2022
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AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| webmail k12 | #1 | 120 |
| sd k12 webmail | #1 | 120 |
| k12 sd webmail | #1 | 36 |
| www k12 sd us | #1 | 27 |
| sd k12 data center | #1 | 21 |
| k12 sd us email login | #1 | 21 |
| k12 data center | #1 | 16 |
| webmail k12 sd us login | #1 | 15 |
| south dakota state email | #2 | 8 |
| south dakota stars | #6 | 6 |
| sd department of education | #18 | 5 |
| k 12 email lists | #4 | 5 |
| sd webmail | #1 | 4 |
| state of south dakota email | #3 | 4 |
| outlook k12 | #3 | 4 |
| k12 outlook | #4 | 3 |
| webmail k12 | #17 | 2 |
| sd-stars | #10 | 2 |
| schools in sioux falls sd | #47 | 1 |
| sdiaaa | #5 | 1 |
| sioux falls public schools | #32 | 1 |
| south dakota webmail | #28 | 1 |
| south dakota my life | #6 | 1 |
| south canyon elementary | #17 | 1 |
| outlook k12 login | #5 | 1 |
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.
AI Crawlers
No AI crawlers blocked
Audience
- 94% desktop
- 6% phone
United States
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.92 / 10 · ranked #49,644 of all domains
867 referring domains · OpenPageRank
Search traffic
430 est. monthly organic visits (US)
101 keywords in Google's top 30
Core Web Vitals
| LCP | 2.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.7 MB · 8 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
- k12.de.us 9 shared
- wednet.edu 11 shared
- kyschools.us 14 shared
- k12.hi.us 11 shared
cranbrook.edu 5 sharedchiba-u.ac.jp 4 shared
gilbertschools.net 4 shared
- rschooltoday.com 5 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Winner School District (Aberdeen School District on Wikidata)
- Country: United States
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on SD-NET (206.176.53.70)
- DNS: k12.sd.us
- Email: sd.gov
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 19,657, 606 hosts
- Verified with: Adobe, Cisco, Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sdbbca.k12.sd.us | 36 |
| sdvbca.k12.sd.us | 34 |
| www.winner.k12.sd.us | 29 |
| mccookcentral.k12.sd.us | 25 |
| shs.spearfish.k12.sd.us | 24 |
| sms.spearfish.k12.sd.us | 24 |
| www.flandreau.k12.sd.us | 22 |
| hssd.k12.sd.us | 21 |
| vermillion.k12.sd.us | 21 |
| www.castlewood.k12.sd.us | 21 |
| www.deuel.k12.sd.us | 21 |
| www.gayvillevolin.k12.sd.us | 21 |
| www.vermillion.k12.sd.us | 21 |
| www.wall.k12.sd.us | 21 |
| www.dupree.k12.sd.us | 20 |
| www.kadoka.k12.sd.us | 20 |
| www.parker.k12.sd.us | 20 |
| www.teaarea.k12.sd.us | 20 |
| www.arlington.k12.sd.us | 19 |
| www.redfield.k12.sd.us | 19 |
| www.saes.sf.k12.sd.us | 19 |
| www.hwes.sf.k12.sd.us | 18 |
| www.jhes.sf.k12.sd.us | 18 |
| www.sf.k12.sd.us | 18 |
Full technology history →
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Recent changes
- detected AOS Sep 2026
- detected Turbopack Sep 2026
- dropped Dropzone Aug 2026
- dropped Kendo UI Aug 2026
- detected React Router Aug 2026
- dropped ShareThis Aug 2026
- dropped TinyMCE Aug 2026
- detected Marked Jul 2026
- detected VideoJS May 2026
- detected Kendo UI Mar 2026
- detected Stimulus Feb 2026
- detected Closure Library Jan 2026
- detected Htmx Nov 2025
- dropped Kendo UI Nov 2025