What powers c21.ca?
Last seen Jun 2026 · 112 technologies across 37 categories
Advertising
Simpli.fi
since Nov 2023
Analytics
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Mar 2020
Google Call Conversion Tracking
since Apr 2023
Linkedin Insight Tag
since May 2023
Microsoft Clarity
since Nov 2025
Appointment scheduling
Calendly
since Mar 2023
Authentication
Facebook Login
since Aug 2021
Caching
CDN
Amazon S3
since May 2022
cdnjs
since Oct 2021
Cloudflare
since Nov 2021
Google Cloud
since Mar 2020
Google Hosted Libraries
since Feb 2022
jQuery CDN
since Aug 2024
jsDelivr
since Mar 2021
MaxCDN
since Mar 2020
Unpkg
since Jul 2021
CMS
WordPress
since Dec 2020
Comment systems
Livefyre
since Nov 2021
Databases
MySQL
since Dec 2020
Ecommerce
Cart Functionality
since Apr 2024
Font scripts
Google Font API
since Dec 2020
Typekit
since Oct 2024
Hosting
GoDaddy
since Aug 2022
IONOS
since Aug 2023
WordPress Multisite
since Jul 2023
WP Engine
since Nov 2021
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Facebook Chat Plugin
since Apr 2022
Load balancers
Amazon ALB
since Jun 2022
Maps
Google Maps
since Dec 2020
Leaflet
since Nov 2021
Miscellaneous
Babel
since Jun 2021
Open Graph
since Sep 2022
Popper
since Nov 2021
RSS
since Dec 2022
Swiper Slider
since Dec 2020
Webpack
since Nov 2021
Operating systems
Debian
since Nov 2024
Windows Server
since Mar 2022
PaaS
Amazon Web Services
since May 2022
Performance
LazySizes
since Jul 2023
Priority Hints
since Jan 2024
Programming languages
Retargeting
Google Remarketing Tag
since Jul 2021
RUM
New Relic
since Jan 2021
Security
Cloudflare Bot Management
since Nov 2021
HSTS
since Jun 2023
Really Simple SSL & Security
since Apr 2024
reCAPTCHA
since Dec 2020
Segmentation
Oracle BlueKai
since Nov 2021
SEO
Tag managers
Google Tag Manager
since Mar 2020
UI frameworks
Element UI
since May 2023
ZURB Foundation
since Aug 2022
Video players
Web frameworks
Web servers
Widgets
Elfsight
since Nov 2022
Facebook
since Jun 2020
SnapWidget
since Aug 2022
SoundCloud
since Apr 2023
Wheelio
since Sep 2021
WordPress plugins
Beaver Builder
since Jul 2024
EWWW Image Optimizer
since Jul 2023
WordPress themes
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| century 21 | #26 | 170 |
| canadian real estate brokers | #2 | 28 |
| century 21 ca | #1 | 27 |
| homes for sale in canada | #9 | 27 |
| c21 shop | #31 | 25 |
| canada real estate for sale | #5 | 24 |
| property for sale in canada | #5 | 24 |
| 21 century houses for sale | #16 | 23 |
| century 21 canada | #1 | 21 |
| prince albert sask | #12 | 18 |
| prince albert city | #12 | 18 |
| glace bay canada | #8 | 17 |
| real estate companies in canada | #2 | 15 |
| red deer canada | #55 | 14 |
| c21 department store | #54 | 13 |
| canadian real estate agents | #2 | 12 |
| canada realtor website | #5 | 12 |
| century 21 real estate near me | #10 | 10 |
| montreal canada real estate | #14 | 10 |
| prince albert canada | #17 | 10 |
| century 21 near me | #33 | 9 |
| richmond hill hs | #74 | 9 |
| nova scotia homes for sale | #28 | 9 |
| canadian real estate brokerages | #5 | 8 |
| century 21 in town | #2 | 8 |
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
- 68% phone
- 29% desktop
- 3% tablet
Canada
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.10 / 10 · ranked #33,191 of all domains
354 referring domains · OpenPageRank
Search traffic
1,100 est. monthly organic visits (US)
2,041 keywords in Google's top 30
Core Web Vitals
| LCP | 2.8 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (Canada)
- Weight: 4.1 MB · 98 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| colonialrealty.c21.ca | 46 |
| westmanrealty.c21.ca | 44 |
| assurancerealty.c21.ca | 43 |
| bachmanassociates.c21.ca | 43 |
| borderrealestateservice.c21.ca | 43 |
| dave-lachance.c21.ca | 43 |
| michael-mcclemont.c21.ca | 43 |
| todayrealty.c21.ca | 43 |
| choicerealty.c21.ca | 42 |
| crystal-edwards.c21.ca | 42 |
| deannagrayrealestate.c21.ca | 42 |
| domerealtyinc.c21.ca | 42 |
| heritagehouse.c21.ca | 42 |
| heritagehouseniagara.c21.ca | 42 |
| jenthomsonrealtor.c21.ca | 42 |
| santanna-thom.c21.ca | 42 |
| urbanrealty.c21.ca | 42 |
| bamberrealty.c21.ca | 41 |
| bob-stevens.c21.ca | 41 |
| bravorealty.c21.ca | 41 |
| chioma-iheozor.c21.ca | 41 |
| foothillsrealestate.c21.ca | 41 |
| maximum.c21.ca | 41 |
| mountainlifestyles.c21.ca | 41 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped EmbedSocial Apr 2026
- detected SnapWidget Dec 2025
- dropped SnapWidget Oct 2025