What powers cityofchicago.org?

Last seen Jun 2026 · 68 technologies across 32 categories

Analytics

Google Analytics
since Jun 2018
Snowplow Analytics
since Jan 2024

Blogs

WordPress v4.9.6
since Jan 2019

Cache Tools

Google PageSpeed v1.9.32.14
since Jan 2019

Caching

RackCache
since Aug 2018

CDN

Amazon S3
since Aug 2022
Google Hosted Libraries
since Feb 2022

CMS

Adobe Experience Manager
since Apr 2018
Drupal
since Aug 2018

Comment systems

Livefyre v0.7.7
since Feb 2022

Databases

MySQL
since Jan 2019

Digital asset management

PhotoShelter for Brands
since Jan 2024

Font scripts

Bootstrap Icons v.
since Mar 2024
Font Awesome v4.6.3
since Nov 2018
Google Font API
since Apr 2018

Issue trackers

Sentry
since Jan 2024

JavaScript frameworks

Knockout.js v3.5.1
since Jun 2018
React
since Nov 2018
RequireJS
since Jun 2022

JavaScript Libraries

core-js v2.6.12
since Feb 2022
DataTables v1.13.6
since Mar 2024
Hammer.js v2.0.7
since Mar 2024
jQuery v3.7.1
since Apr 2018
jQuery Migrate v1.4.1
since Jan 2019
jQuery UI v1.13.2
since Jun 2018
lit-element v4.2.1
since Jun 2026
lit-html v3.3.1
since Jun 2026
Lodash v4.17.23
since Jan 2021
Modernizr v2.5.2
since Aug 2018
Moment.js v2.29.4
since Jun 2018
Slick
since Aug 2022
YUI v3.8.0
since Jan 2024

Maps

Google Maps
since Aug 2018
Leaflet v0.7.7
since Nov 2018

Miscellaneous

Babel
since Jan 2021
DocuSign
since Apr 2025
Open Graph
since Sep 2022
RSS
since Dec 2022
Twitter Emoji (Twemoji)
since Jan 2019
Webpack
since Nov 2018

Operating Systems

CentOS
since Aug 2018
UNIX
since Aug 2018
Windows Server
since Aug 2018

PaaS

Amazon Web Services
since Aug 2022

Performance

Priority Hints
since Jan 2024

Photo galleries

SmugMug
since Jan 2024

Programming Languages

Java
since Jun 2018
PHP v7.0.21
since Aug 2018
Ruby
since Aug 2018

Reverse proxies

IBM DataPower
since Mar 2021

Reverse Proxy

Envoy
since May 2019

Rich text editors

Ace v1.4.12
since Apr 2022

Security

HSTS
since Sep 2022

Tag managers

Google Tag Manager
since Jan 2019

UI frameworks

Bootstrap
since Jun 2018
ZURB Foundation v5.5.0
since Apr 2018

Video players

YouTube
since Aug 2018

Web frameworks

Microsoft ASP.NET
since Aug 2018
Ruby on Rails
since Aug 2018

Web Server Extensions

mod_jk v1.2.41
since Jan 2019
mod_ssl v2.2.31
since Aug 2018
OpenSSL v1.1.1a
since Aug 2018

Web servers

Apache HTTP Server
since Apr 2018
Apache Tomcat
since Aug 2018
IIS v10.0
since Aug 2018
Nginx
since Nov 2018

Webmail

Apple iCloud Mail
since Jan 2023

Widgets

Twitter
since Jan 2019

Top search keywords

KeywordPositionEst. monthly visits
cityofchicago.org/finance pay ticket #8 1
4770 s kedzie phone number #7 1
chicago ticket debt relief #21 0

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

  • 94% desktop
  • 7% phone
  • United States
  • New Zealand
  • India
  • Canada

Countries where the site has Chrome traffic, strongest markets first.

Open Page Rank

7.89 / 10 · ranked #9,298 of all domains

2,485 referring domains · OpenPageRank

Search traffic

2 est. monthly organic visits (US)

3 keywords in Google's top 30

Core Web Vitals

LCP5.2 s
INP50 ms
CLS0
TTFB5200 ms

Real user p75, Chrome UX Report, Jun 2026.

Page

  • Weight: 2.6 MB · 53 requests

Homepage as crawled by the HTTP Archive, Jul 2026.

Subdomains

HostTechs
data.cityofchicago.org 23
chicagoimagegallery.cityofchicago.org 15
dev.cityofchicago.org 11
digital.cityofchicago.org 11
ipi.cityofchicago.org 11
www.cityofchicago.org 11
311request.cityofchicago.org 10
climatechange.cityofchicago.org 10
erequest.cityofchicago.org 6
gisapps.cityofchicago.org 6
cda-id.cityofchicago.org 5
pay.cityofchicago.org 5
planreview.cityofchicago.org 5
ipiweb.cityofchicago.org 4
parkingtickets.cityofchicago.org 4
elearning.cityofchicago.org 3
chitext.cityofchicago.org 2
eprocurement.cityofchicago.org 2
portal.cityofchicago.org 2
servicetracker.cityofchicago.org 2

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