What powers 15um.com?
Last seen Jun 2026 · 17 technologies across 13 categories
CDN
jsDelivr
since Jul 2020
CMS
WordPress
since Mar 2020
Databases
MySQL
since Mar 2020
Font scripts
Google Font API
since May 2026
JavaScript libraries
Miscellaneous
Performance
LazySizes
since Mar 2022
Programming languages
Security
HSTS
since Sep 2022
SEO
Yoast SEO
since Mar 2020
UI frameworks
Tailwind CSS
since May 2026
Web servers
WordPress plugins
WP Fastest Cache
since Sep 2025
Audience
- 53% desktop
- 47% phone
Hong Kong SAR China
China
Myanmar (Burma)
United States
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.27 / 10 · ranked #9,025,877 of all domains
9 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.35 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese (China)
- Weight: 0.2 MB · 8 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.15um.com | 13 |
| wx.15um.com | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Code Prettify Jun 2026
- detected Prism Jun 2026
- dropped Baidu Analytics (百度统计) May 2026
- dropped Autoptimize Oct 2025
- dropped Google Code Prettify Oct 2025
- dropped Prism Oct 2025
- dropped WordPress Super Cache Oct 2025
- detected WP Fastest Cache Sep 2025