What powers 21ic.com?
Last seen Jun 2026 · 12 technologies across 8 categories
Analytics
JavaScript libraries
Message boards
Programming languages
Retargeting
Tag managers
UI frameworks
Web servers
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| vl53l9 | #31 | 0 |
| sdram vs sram | #68 | 0 |
| sg2044 | #45 | 0 |
| sram vs sdram | #78 | 0 |
| py32f002a | #53 | 0 |
| qml busy indicator | #46 | 0 |
| gpio odr | #72 | 0 |
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
- 100% desktop
Taiwan
Singapore
Hong Kong SAR China
China
United States
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
5.45 / 10 · ranked #164,776 of all domains
214 referring domains · OpenPageRank
Search traffic
0 est. monthly organic visits (US)
7 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Chinese
- Weight: 1.8 MB · 93 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| m.21ic.com | 8 |
| www.21ic.com | 6 |
| bbs.21ic.com | 5 |
| bbsx.21ic.com | 5 |
| dl.21ic.com | 5 |
| my.21ic.com | 5 |
| passport2.21ic.com | 5 |
| edu.21ic.com | 4 |
| datasheet.21ic.com | 3 |
| search.21ic.com | 3 |
| power.21ic.com | 2 |
| embed.21ic.com | 1 |
| gd32mcu.21ic.com | 1 |
| open.21ic.com | 1 |
Full technology history →
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