What powers 
jeffersoncountywi.gov?
Last seen Sep 2026 · 25 technologies across 14 categories
Accessibility
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
UI frameworks
Video players
Web frameworks
Web servers
Webmail
Widgets
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.
Training crawlers
- FacebookBot Allowed
The other 32 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
- Sep 2026 facebookbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| jefferson county | #9 | 1,100 |
| jeffco county | #9 | 1,100 |
| jefferson wi | #4 | 530 |
| jefferson wi 53549 | #4 | 490 |
| jefferson county land records | #2 | 390 |
| jefferson county dog park | #1 | 150 |
| jefferson county parks | #2 | 120 |
| jefferson county home | #1 | 97 |
| jefferson county wi land records | #1 | 73 |
| jefferson county court wi | #1 | 64 |
| jefferson county register of deeds | #2 | 63 |
| jefferson county jail wi | #1 | 60 |
| jefferson dog park | #1 | 52 |
| koshkonong effigy mounds | #1 | 52 |
| jefferson county wi court | #1 | 48 |
| jefferson county wi jail inmate list | #3 | 38 |
| jefferson county cps | #3 | 38 |
| jefferson county wisconsin sheriff | #1 | 33 |
| jefferson county jail wi inmate list | #2 | 32 |
| adrc jefferson county | #1 | 32 |
| jefferson gis | #1 | 29 |
| wic watertown | #2 | 28 |
| rose lake state natural area | #2 | 28 |
| jefferson county jury duty | #7 | 26 |
| jefferson clerk of court | #4 | 26 |
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
All crawlers blocked
Audience
- 58% phone
- 43% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.01 / 10 · ranked #245,319 of all domains
126 referring domains · OpenPageRank
Search traffic
6,800 est. monthly organic visits (US)
2,755 keywords in Google's top 30
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.0 MB · 2 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Jefferson County
- Founded: 1836
- Country: United States
From Wikidata (CC0).
Infrastructure
- Registered Apr 2008 (18 years) via get.gov, renews Oct 2027
- Hosted on Amazon Web Services (35.71.179.239)
- DNS: DNS Made Easy
- Email: Mimecast
- Email security: SPF, DMARC reject, MTA-STS, BIMI
- SSL: Let's Encrypt, RSA 3072, expires Jan 2027
- Common Crawl link graph: rank 680,324, 9 hosts
- Verified with: Apple Business, Google, Microsoft 365, OpenAI
DNS records as swept Oct 2026, certificate as seen Oct 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| parks.jeffersoncountywi.gov | 17 |
| www.jeffersoncountywi.gov | 16 |
| apps.jeffersoncountywi.gov | 15 |
| jeffersoncountyapps.jeffersoncountywi.gov | 8 |
| jeffersoncountywi.gov | 6 |
| filedirector.jeffersoncountywi.gov | 4 |
| gis.jeffersoncountywi.gov | 4 |
| jeffarcgis.jeffersoncountywi.gov | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected FullCalendar Nov 2025
- detected jsDelivr Nov 2025
- detected Moment.js Nov 2025
- detected Open Graph Nov 2025
- detected Tiny Slider Nov 2025
- detected TypeScript Nov 2025
- detected UserWay Nov 2025
- detected YouTube Nov 2025