What powers c21.homes?
Last seen Jun 2026 · 66 technologies across 33 categories
Advertising
AppNexus
since May 2023
Analytics
Google Analytics
since Aug 2022
Google Call Conversion Tracking
since Feb 2024
Appointment scheduling
Calendly
since Nov 2025
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Facebook Login
since Apr 2023
Caching
Varnish
since Aug 2022
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since Nov 2025
cdnjs
since Aug 2022
Cloudflare
since Aug 2022
Google Hosted Libraries
since Aug 2022
jsDelivr
since Aug 2022
CMS
WordPress
since Aug 2022
Databases
MySQL
since Aug 2022
Documentation
Zendesk
since Apr 2023
Ecommerce
Cart Functionality
since Jan 2024
Font scripts
Google Font API
since Dec 2022
Hosting
JavaScript frameworks
JavaScript graphics
particles.js
since Sep 2024
JavaScript libraries
Live chat
WhatsApp Business Chat
since Feb 2024
Load balancers
Amazon ALB
since Sep 2024
Maps
Google Maps
since Aug 2022
Miscellaneous
Operating systems
Debian
since Dec 2024
PaaS
Amazon Web Services
since Sep 2024
Performance
LazySizes
since Sep 2025
Priority Hints
since Jan 2024
Programming languages
RUM
New Relic
since Aug 2022
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Yoast SEO
since Aug 2022
Tag managers
Google Tag Manager
since Aug 2022
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YouTube
since Aug 2022
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Apple iCloud Mail
since Apr 2023
Microsoft 365
since Jan 2023
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Elfsight
since Nov 2023
WordPress plugins
Audience
- 100% phone
Taiwan
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
6.90 / 10 · ranked #50,456 of all domains
191 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.2 s |
| CLS | 0.35 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 6.6 MB · 108 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| trianglegroup.sites.c21.homes | 38 |
| c21advantage.sites.c21.homes | 37 |
| c21realtysolutions.sites.c21.homes | 37 |
| adminuser-curranandoberski.sites.c21.homes | 36 |
| affiliated.sites.c21.homes | 36 |
| ryanrealty.sites.c21.homes | 36 |
| donnasundin.sites.c21.homes | 35 |
| simpsonandassociates.sites.c21.homes | 35 |
| cotarealty.sites.c21.homes | 34 |
| josephbrown-c21begginsenterprises.sites.c21.homes | 34 |
| premiereproperties.sites.c21.homes | 34 |
| tekie-realtor.sites.c21.homes | 34 |
| aarontucker-icon.sites.c21.homes | 33 |
| dtoner.sites.c21.homes | 33 |
| kasperrealtygroup.sites.c21.homes | 33 |
| showcaserealtors.sites.c21.homes | 33 |
| tricities.sites.c21.homes | 33 |
| alliance.sites.c21.homes | 32 |
| annamcmaster-c21nachmanrealty.sites.c21.homes | 32 |
| jasmineruiz.sites.c21.homes | 32 |
| jeannefraga.sites.c21.homes | 32 |
| paulrussell.sites.c21.homes | 32 |
| samanthakaul-atwood.sites.c21.homes | 32 |
| tinaponce.sites.c21.homes | 32 |
Full technology history →
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Recent changes
- detected EWWW Image Optimizer Sep 2025
- detected LazySizes Sep 2025