What powers 21usdeal.com?
Last seen Jun 2026 · 27 technologies across 12 categories
Advertising
33Across
since Nov 2021
Amazon Advertising
since Oct 2022
AppNexus
since Nov 2021
Google Publisher Tag
since Nov 2021
OpenX
since Dec 2021
Prebid
since Nov 2022
Primis
since Mar 2026
PubMatic
since Nov 2021
Rubicon Project
since Nov 2021
Tapad
since Jan 2023
TripleLift
since Dec 2021
Analytics
Google Analytics
since Jun 2018
Snowplow Analytics
since Aug 2022
CDN
Cloudflare
since Nov 2021
Hosting panels
Plesk
since Jun 2018
JavaScript libraries
Message boards
Discuz! X
since Jun 2018
Miscellaneous
HTTP/3
since Sep 2022
Programming languages
Security
Cloudflare Bot Management
since Nov 2021
reCAPTCHA
since Apr 2022
Segmentation
Adobe Audience Manager
since Oct 2022
Tag managers
Google Tag Manager
since Nov 2021
UI frameworks
Bootstrap
since Nov 2024
ZURB Foundation
since Apr 2018
Audience
- 73% desktop
- 27% phone
United States
Canada
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.32 / 10 · ranked #8,359,255 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- CDN: Cloudflare
- Weight: 7.1 MB · 1,822 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- dropped cdnjs Apr 2026
- dropped DoubleClick Campaign Manager (DCM) Apr 2026
- dropped Google AdSense Apr 2026
- dropped Microsoft ASP.NET Apr 2026
- dropped VideoJS Apr 2026
- detected Wurfl Apr 2026
- detected Primis Mar 2026
- dropped Quantcast Measure Mar 2026
- detected 33Across Feb 2026
- detected Amazon Advertising Feb 2026
- detected core-js Feb 2026
- dropped Confiant Dec 2025
- dropped 33Across Nov 2025
- dropped Amazon Advertising Nov 2025
- dropped core-js Nov 2025