What powers century21.com?
Last seen Jun 2026 · 71 technologies across 32 categories
A/B Testing
Google Optimize
since Nov 2021
Advertising
AdRoll
since Apr 2021
DoubleClick for Publishers (DFP)
since Aug 2018
Google Ads
since Dec 2022
Microsoft Advertising
since Feb 2021
Analytics
Azure Monitor
since Aug 2022
comScore
since May 2018
Google Ads Conversion Tracking
since Jul 2021
Google Analytics
since Jun 2018
Authentication
CDN
Amazon CloudFront
since Dec 2025
Amazon S3
since Dec 2025
Edgio
since Aug 2023
jQuery CDN
since Aug 2022
CMS
Cookie compliance
AdRoll CMP System
since Jul 2021
TrustArc
since Mar 2021
Development
Microsoft Visual Studio
since Aug 2025
Ecommerce
Cart Functionality
since Apr 2023
Sendgrid
since Aug 2022
Font scripts
Google Font API
since Aug 2018
JavaScript frameworks
JavaScript libraries
Swiper
since Sep 2022
Underscore.js
since Aug 2022
Load balancers
Amazon ALB
since Sep 2021
Maps
Google Maps
since Dec 2025
Marketing automation
Salesforce Marketing Cloud Account Engagement
since Jul 2024
Miscellaneous
Babel
since Mar 2020
HTTP/3
since Jan 2025
Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since Jun 2019
Operating systems
Red Hat
since May 2018
Windows Server
since Aug 2018
PaaS
Amazon Web Services
since Sep 2021
Azure
since Aug 2022
Performance
Priority Hints
since Mar 2026
Turbo
since Mar 2023
Programming languages
RUM
Microsoft Application Insights
since Aug 2022
New Relic
since Dec 2018
Security
Segmentation
Adobe Audience Manager
since Apr 2022
Oracle BlueKai
since Sep 2021
Tag managers
Google Tag Manager
since Aug 2018
UI frameworks
Video players
YouTube
since Aug 2018
Web frameworks
Microsoft ASP.NET
since Aug 2018
Web server extensions
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
Facebook
since Jun 2018
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| homes for sale close to me | #7 | 8,600 |
| lease to own houses near me | #3 | 4,800 |
| realtor company | #7 | 2,600 |
| homes for sale near me | #11 | 2,000 |
| realtor companies | #8 | 2,000 |
| local real estate agents near me | #2 | 2,000 |
| century 21 near me | #1 | 1,400 |
| wake county nc real estate | #7 | 1,300 |
| condos for sale near me | #6 | 1,300 |
| homes for sale | #13 | 1,100 |
| homes to buy in new jersey | #6 | 1,000 |
| house for sale in montana usa | #6 | 920 |
| rental houses for rent | #37 | 870 |
| century 21 nyc | #5 | 850 |
| property for sale near me | #6 | 840 |
| reality sites | #6 | 750 |
| john wy | #89 | 630 |
| houses for sale | #10 | 620 |
| jonesboro homes for sale | #3 | 590 |
| homes for sale sd | #3 | 590 |
| houses to buy in tennessee | #7 | 570 |
| buy house in west palm beach | #6 | 500 |
| century 21 homes for sale | #1 | 490 |
| mark williams realtor | #1 | 490 |
| homes for sale near me | #87 | 470 |
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
- 77% phone
- 21% desktop
- 2% tablet
United States
Nigeria
Grenada
India
Germany
United Kingdom
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.42 / 10 · ranked #22,280 of all domains
1,038 referring domains · OpenPageRank
Search traffic
399,400 est. monthly organic visits (US)
362,001 keywords in Google's top 30
Core Web Vitals
| LCP | 2.6 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.9 MB · 26 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| homesforsale.century21.com | 28 |
| ssl.century21.com | 28 |
| espanol.century21.com | 23 |
| www.century21.com | 23 |
| engage.century21.com | 20 |
| finehomes.century21.com | 20 |
| mymoxi.century21.com | 20 |
| present.century21.com | 20 |
| commercial.century21.com | 19 |
| login.century21.com | 19 |
| sso.century21.com | 10 |
| tracker.century21.com | 10 |
| careers.century21.com | 9 |
| century21.com | 8 |
| corporate.century21.com | 8 |
| myaccount.century21.com | 7 |
| dash.century21.com | 4 |
| view.comms.century21.com | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Amazon CloudFront Dec 2025
- detected Amazon S3 Dec 2025
- detected Google Maps Dec 2025
- detected lit-element Dec 2025
- detected lit-html Dec 2025
- detected React Dec 2025
- detected React Router Dec 2025
- dropped Chakra UI Nov 2025
- dropped MobX Nov 2025
- dropped React Nov 2025
- detected jQuery Migrate Sep 2025