What powers 
jeffersoncountytx.gov?
Last seen Aug 2026 · 26 technologies across 17 categories
Analytics
CDN
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
PaaS
Performance
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
Search and AI assistants
- Applebot Restricted
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 *: Blocked (was Restricted)
- Sep 2026 applebot added to robots.txt
AI Crawlers
All crawlers blocked
Audience
- 57% phone
- 43% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.05 / 10 · ranked #533,471 of all domains
38 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 13.3 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Jefferson County Sheriff’s Office TX (Jefferson County on Wikidata)
- Founded: 1837
- Industry: Government (declares
GovernmentOrganization) - Country: United States
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on TWC-11427-TEXAS (71.40.211.76)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF, DMARC reject, MTA-STS
- SSL: Let's Encrypt, RSA 3072, wildcard, expires Dec 2026
- Common Crawl link graph: rank 1,220,734, 6 hosts
- Verified with: Adobe, KnowBe4, Microsoft 365, Sophos
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sheriff.jeffersoncountytx.gov | 13 |
| ijury.jeffersoncountytx.gov | 12 |
| jeffersoncountytx.gov | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Jul 2026
- dropped PDF.js Jul 2026
- detected HSTS May 2026
- detected Bootstrap Icons Apr 2026
- detected jsDelivr Apr 2026
- detected GoDaddy Mar 2026