What powers karlpreowned.com?
Last seen Jun 2026 · 26 technologies across 18 categories
A/B Testing
Optimizely
since Jul 2024
Advertising
Microsoft Advertising
since Jun 2022
Analytics
Google Analytics
since Nov 2021
Google Call Conversion Tracking
since Jun 2022
Feature management
LaunchDarkly
since Nov 2021
JavaScript frameworks
JavaScript libraries
Load balancers
Amazon ALB
since Jun 2022
Maps
Google Maps
since Mar 2023
Miscellaneous
Open Graph
since Jun 2026
PaaS
Amazon Web Services
since Jun 2022
Performance
Priority Hints
since Jul 2022
RUM
New Relic
since Nov 2021
Security
HSTS
since Nov 2023
Segmentation
Adobe Audience Manager
since Jun 2022
Tag managers
Google Tag Manager
since Nov 2021
UI frameworks
Video players
YouTube
since Jan 2023
Web servers
Nginx
since Nov 2021
Audience
- 100% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.52 / 10 · ranked #23,849,030 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| CLS | 0.2 |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Akamai
- Weight: 3.2 MB · 174 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected Open Graph Jun 2026
- dropped Akamai May 2026
- dropped Akamai mPulse May 2026
- dropped Boomerang May 2026
- detected New Relic Apr 2026
- detected Preact Apr 2026
- dropped New Relic Mar 2026
- dropped theTradeDesk Sep 2025