What powers springfield.il.us?
Last seen Aug 2026 · 34 technologies across 20 categories
Accessibility
UserWay
since Sep 2024
Analytics
Google Analytics
since May 2019
Authentication
Facebook Login
since Oct 2025
CDN
cdnjs
since Feb 2026
Cloudflare
since Feb 2026
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Jun 2025
jsDelivr
since Jul 2020
Unpkg
since Oct 2021
Comment systems
Sendgrid
since Aug 2022
Font scripts
Font Awesome
since May 2019
Google Font API
since Aug 2022
JavaScript libraries
Maps
Marketing automation
Constant Contact
since Jan 2024
Miscellaneous
Operating systems
Windows Server
since May 2019
Programming languages
TypeScript
since Dec 2022
Security
reCAPTCHA
since May 2019
Tag managers
Google Tag Manager
since Aug 2022
UI frameworks
Animate.css
since May 2019
Web frameworks
Web servers
Webmail
Apple iCloud Mail
since Apr 2025
Widgets
FullCalendar
since Dec 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 60% phone
- 40% desktop
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #351,462 of all domains
179 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 13.3 MB · 127 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Springfield
- Founded: 1821
- Country: United States
From Wikidata (CC0).
Infrastructure
- Hosted on ILLINOIS-CENTURY (64.107.107.60)
- DNS: cwlp.com
- Email: no MX record returned
- SSL: Sectigo, RSA 4096, wildcard, expires Nov 2026
- Common Crawl link graph: rank 614,415, 13 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.springfield.il.us | 27 |
| springfield.il.us | 26 |
| ess.springfield.il.us | 22 |
| test.springfield.il.us | 22 |
| bourbonjourney.springfield.il.us | 14 |
| cityclerk.springfield.il.us | 14 |
| maps.springfield.il.us | 3 |
| esslogin.springfield.il.us | 1 |
Full technology history →
Report an incorrect detection
Recent changes
- detected cdnjs Feb 2026
- detected Cloudflare Feb 2026