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Domain answer

c40.org

50

live countable technologies on this host, of 58 live detections. Last looked 8 Sept 2026.

fresh8 Sept 2026|first crawled 8 Feb 2021|HTTP 403|root domain, 5 hosts under it

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C40 Cities Climate Leadership Group, Inc. is a British non-profit organization that operates as a global network of mayors and city leaders focused on climate action. The organization provides climate action planning, research and knowledge tools, and advocates for city-led solutions to address climate change. It also facilitates collaboration between mayors, businesses, youth, and civil society, and supports the development of urban climate policies and initiatives.

What c40.org runs

Technologies with their datesof 58 live detections on this hostverified 8 Sept 2026

Technology
Category
First verified
Last verified
Seen
Version
Babel
Build and Developer Tools
2025-04-29
2025-04-30
x6
none seen
Backbone.js
JavaScript Frameworks
2025-04-29
2025-04-30
x6
1.4.0
Bootstrap
UI Frameworks and Components
2025-04-29
2025-04-30
x4
5.0.2
Caddy
Web Servers
2025-04-29
2025-04-30
x6
none seen
Cloudflare
Content Delivery and Edge
2023-10-20
2026-09-08
x16
none seen
Cloudflare Bot Management
WAF and Bot Management
2025-04-11
2026-09-08
x11
none seen
Django
Web Frameworks
2025-04-29
2025-04-30
x6
none seen
Emotion
UI Frameworks and Components
2025-05-02
2025-05-02
x1
none seen
Facebook
Social and Content
2025-04-11
2026-09-08
x11
none seen
GTranslate
SEO
2023-10-20
2026-09-08
x12
none seen
Go
Programming Languages and Runtimes
2025-04-29
2025-04-30
x6
none seen
Google Campaign Manager 360
Advertising
2025-07-21
2026-09-08
x9
none seen
Google Font API
Media and Assets
2025-05-02
2025-05-02
x1
none seen
Google Tag Manager
Tag Management
2023-10-20
2026-09-08
x12
none seen
Instagram
Social and Content
2025-04-11
2026-09-08
x11
none seen
Kinsta
Hosting and Cloud Providers
2023-10-20
2026-09-08
x11
none seen
Leaflet
JavaScript Libraries
2026-09-08
2026-09-08
x1
1.9.4
LinkedIn
Social and Content
2025-04-11
2026-09-08
x11
none seen
Livefyre
Blogs and Publishing
2026-09-08
2026-09-08
x1
1.9.4
Babel2025-04-30Build and Developer Toolsx6
Backbone.js2025-04-30JavaScript Frameworksx6
Bootstrap2025-04-30UI Frameworks and Componentsx4
Caddy2025-04-30Web Serversx6
Cloudflare2026-09-08Content Delivery and Edgex16
Cloudflare Bot Management2026-09-08WAF and Bot Managementx11
Django2025-04-30Web Frameworksx6
DoubleClick Floodlight2026-09-08Retargeting and Attributionx9
Emotion2025-05-02UI Frameworks and Componentsx1
Facebook2026-09-08Social and Contentx11
GTranslate2026-09-08SEOx12
Go2025-04-30Programming Languages and Runtimesx6
Google Campaign Manager 3602026-09-08Advertisingx9
Google Font API2025-05-02Media and Assetsx1
Google Tag Manager2026-09-08Tag Managementx12
Instagram2026-09-08Social and Contentx11
Kinsta2026-09-08Hosting and Cloud Providersx11
Leaflet2026-09-08JavaScript Librariesx1
LinkedIn2026-09-08Social and Contentx11
Livefyre2026-09-08Blogs and Publishingx1

20 of 50 live countable"Seen" is the number of snapshots the detection was verified in

30 more live countable technologies on this host, with their dates
Technology
Category
First verified
Last verified
Seen
Version
Lodash
JavaScript Libraries
2025-04-29
2025-04-30
x6
1.8.3
MUI
UI Frameworks and Components
2025-05-02
2025-05-02
x1
none seen
MathJax
JavaScript Libraries
2025-04-29
2025-04-30
x3
none seen
Moment.js
JavaScript Libraries
2025-04-29
2025-04-30
x4
2.20.1
MySQL
Databases and Data Engineering
2023-10-20
2026-09-08
x12
none seen
Nginx
Web Servers
2025-05-02
2025-05-02
x1
1.18.0
Open edX
Documentation and Knowledge
2025-04-29
2025-04-30
x6
none seen
PHP
Programming Languages and Runtimes
2023-10-20
2026-09-08
x12
none seen
Plausible
Web Analytics
2023-10-20
2026-09-08
x12
none seen
Python
Programming Languages and Runtimes
2025-04-29
2025-04-30
x6
none seen
React
JavaScript Frameworks
2025-05-02
2025-05-02
x1
none seen
RequireJS
JavaScript Libraries
2025-04-29
2025-04-30
x6
2.3.5
URI.js
JavaScript Libraries
2025-04-29
2025-04-30
x6
none seen
Underscore.js
JavaScript Libraries
2025-04-29
2025-04-30
x6
none seen
Webpack
Build and Developer Tools
2025-04-29
2025-04-30
x6
none seen
Weglot
CMS and Site Builders
2025-04-29
2025-04-30
x4
none seen
WordPress
CMS and Site Builders
2023-10-20
2026-09-08
x12
none seen
WordPress Block Editor
Page Builders
2026-08-31
2026-09-08
x4
none seen
WordPress Multisite
CMS and Site Builders
2026-09-08
2026-09-08
x1
none seen
Yoast SEO
SEO
2023-10-20
2026-09-08
x12
26.8
YouTube
Video and Livestreaming
2023-10-20
2026-09-08
x8
none seen
YouTube IFrame Embed
Video and Livestreaming
2025-05-02
2026-09-08
x7
none seen
cdnjs
Content Delivery and Edge
2025-04-29
2025-04-30
x4
none seen
core-js
JavaScript Libraries
2023-10-20
2026-09-08
x19
3.6.5
jQuery
JavaScript Libraries
2023-10-20
2026-09-08
x18
3.7.1
jQuery BBQ
JavaScript Libraries
2025-04-29
2025-04-30
x4
none seen
jQuery Easing
JavaScript Libraries
2025-04-11
2026-09-08
x17
none seen
jQuery Migrate
JavaScript Libraries
2025-04-29
2025-04-30
x6
1.4.1
jQuery UI
UI Frameworks and Components
2025-04-29
2025-04-30
x6
1.10.0
jsDelivr
Content Delivery and Edge
2025-04-29
2025-04-30
x4
none seen
8 web standards present on this host, not counted

CSS, HTML, HTML5, HTTP/3, JavaScript, Open Graph, PWA, Priority Hints

23 technologies seen on earlier snapshots and missing from the latest one, kept with their last verified date
Technology
Category
First verified
Last verified
Amazon Web Services
Hosting and Cloud Providers
2021-02-08
2021-02-08
Anthropic
AI Models and APIs
2026-09-02
2026-09-02
Apple iCloud Mail
Productivity and Email Suites
2026-09-02
2026-09-02
Box
Documentation and Knowledge
2026-09-02
2026-09-02
Canva
CMS and Site Builders
2026-09-02
2026-09-02
Claude Enterprise
AI Agents and Assistants
2026-09-02
2026-09-02
Cowboy
Web Servers
2021-02-08
2021-02-08
Erlang
Programming Languages and Runtimes
2021-02-08
2021-02-08
Google Analytics
Web Analytics
2023-10-20
2026-09-08
Google Workspace
Productivity and Email Suites
2026-08-31
2026-09-08
Gravity Forms
Lead Capture and Forms
2023-10-20
2026-09-08
Heroku
Hosting and Cloud Providers
2021-02-08
2021-02-08
IBM WebSphere Application Server
Web Servers
2025-07-21
2026-09-02
Jamf
IT Operations and Remote Access
2026-09-02
2026-09-02
Mailgun
Email Campaigns and Transactional Email
2026-09-02
2026-09-02
Ruby
Programming Languages and Runtimes
2021-02-08
2021-02-08
Ruby on Rails
Web Frameworks
2021-02-08
2021-02-08
Salesforce
CRM and Sales
2026-09-02
2026-09-02
Salesforce SPF
Cloud and Application Security
2026-09-02
2026-09-02
X
Social and Content
2025-04-11
2026-09-08
Yoast SEO Premium
SEO
2025-12-27
2026-09-08
ZURB Foundation
UI Frameworks and Components
2023-10-20
2023-10-20
foresee results
Surveys and Feedback
2021-02-08
2021-02-08

Resolved company

C40 Cities

Legal nameC40 Cities Climate Leadership Group, Inc.
CategorySocial Services & NGOs
Industrymostly 813312 in 81 Other Services (except Public Administration) (100.0%)
HQENG, United Kingdom
Founded2005
Employees10 to 100
Veridion IDRBQYEBAFBFSLIQKN

Hosts under c40.org

Hostsof 5 sharing this rootlatest verified 8 Sept 2026

fresh, within 30 days1
recent, within 90 days0
stale, more than a year4

Freshness on the fixed day scale4 of 5 hosts were last verified more than a year ago

Host
Verified
c40.org
fresh8 Sept 2026
lms.c40.org
stale30 Apr 2025
preview.c40.org
stale30 Apr 2025
studio.c40.org
stale30 Apr 2025
c40.orgfresh8 Sept 2026
healthyneighbourhood.c40.orgstale2 May 2025
lms.c40.orgstale30 Apr 2025
preview.c40.orgstale30 Apr 2025
studio.c40.orgstale30 Apr 2025

5 of 5 hosts, the most recently verifiedAll 5 hosts and their dates

The 5 hosts and their dates
HostFirst crawledLast crawledFreshness
c40.org2021-02-082026-09-08fresh
healthyneighbourhood.c40.org2025-05-022025-05-02stale
lms.c40.org2025-04-302025-04-30stale
preview.c40.org2025-04-292025-04-30stale
studio.c40.org2025-04-292025-04-30stale

Open as a segment

Companies running jQuery Migrate, jQuery UI, jsDelivr, the 3 least common technologies on this host. Counting is free; change the set on the segment page.

/companies/tech-jquery-migrate/tech-jquery-ui/tech-jsdelivr

Count them, free

One click under this answer

Sector answer

81 Other Services (except Public Administration)

What this sector runs, and what it runs differently from everyone else.

Technology answer

jQuery Migrate

Companies running it by month since January 2021, with the segment link.