wch-ic.com
Registered
Page analyze update date:
2026/05/30 14:51:46
Last whois update date:
2026/03/18 03:13:36
Domain Status
Registered
Paid till
01.06.2029
Available from
01.07.2029
×
![Fullscreen website screenshot]()
wch-ic.com Website screenshot
SEO Score
44.52%
65
Score achieved
146
Maximum score
Main Information
Title: Home - Nanjing Qinheng Microelectronics Co., Ltd.
Description: WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. Its main products include USB/Bluetooth/Ethernet interface chips and connected/interconnected/wireless MCUs, which focus on connectivity, networking and control.
Keywords: RISC-V,full-stack MCU,USB,Bluetooth,Ethernet,WCH
Page Encoding:
utf-8
Body and server charset are different!
Page Filesize: 355 KB
Server Information
IP: 58.213.45.186
Location: China,CN,,,34.7732,113.722,Asia/Shanghai
Http Server: nginx
Meta Tags List
- charset: utf-8
- equiv: X-UA-Compatible content: IE=edge
- name: viewport content: width=device-width,initial-scale=1.0
- name: viewport content: width=device-width,mximum-scale=1.0,user-scalable=1.0
- name: description content: WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. Its main products include USB/Bluetooth/Ethernet interface chips and connected/interconnected/wireless MCUs, which focus on connectivity, networking and control.
- name: keywords content: RISC-V,full-stack MCU,USB,Bluetooth,Ethernet,WCH
Internal Links
External Links
Whois Information
domain_name: wch-ic.com
update_date: 2026-03-16T02:16:35Z
update_time: 1773627395
creation_date: 2004-06-01T14:38:06Z
creation_time: 1086100686
expiration_date: 2029-06-01T14:38:06Z
Whois Raw Data
Domain Name: WCH-IC.COM
Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.
Domain Status: active
Creation Date: 2004-06-01T14:38:06Z
Registry Expiry Date: 2029-06-01T14:38:06Z
Updated Date: 2026-03-16T02:16:35Z
Name Server: DNS19.HICHINA.COM
Name Server: DNS20.HICHINA.COM
REGISTRAR Contact: Alibaba Cloud Computing (Beijing) Co., Ltd.
>>> Last update of RDAP database: 2026-03-18T03:13:36Z
Robots.txt
User-agent: *
Allow: /
Disallow: /download/file
Disallow: /downloads/file
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
!
Character Encoding
Page: utf-8, Header:
Character encoding mismatch between HTML and HTTP headers.
✓
Page Size
363625 bytes
Page size acceptable for fast loading.
✓
Resources
47 total
Moderate number of resources. Consider combining files.
✓
Hreflang Tags
0 hreflang tags
Add hreflang tags if you have multilingual content.
✓
Robots.txt
Exists
Robots.txt file found.
!
Sitemap
Not found
Add sitemap.xml and reference it in robots.txt.
!
HTTPS
No
Switch to HTTPS for security and SEO benefits.
✓
Compression
gzip
Gzip or Zstd compression enabled for faster loading.
!
Caching
Not set
Add cache-control headers to improve loading speed for returning visitors.
✓
Page Speed
9.56 ms
Excellent loading speed.
On-Page SEO
✓
Title
Home - Nanjing Qinheng Microelectronics Co., Ltd.
Good title length (30-60 characters).
!
Meta Description
WCH is an IC design company that designs chips based on self-developed professional interface IP and microprocessor IP. Its main products include USB/Bluetooth/Ethernet interface chips and connected/interconnected/wireless MCUs, which focus on connectivity, networking and control. Lenght:281
Meta description too long. Reduce to 100-160 characters.
!
H1 Heading
0 found - ""
Add exactly one H1 heading with primary keywords.
✓
Word Count
649
Good content length (500-2000 words recommended).
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
!
Duplicate Meta
{"viewport":2}
Remove duplicate meta tags to avoid conflicts.
✓
Keywords
RISC-V,full-stack MCU,USB,Bluetooth,Ethernet,WCH
Meta keywords set (note: not used by major search engines).
Content and UX
!
Language
Add lang attribute to tag for accessibility and SEO.
!
Images
16 total, 16 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
width=device-width,initial-scale=1.0
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:title, og:description, og:image, og:url
Add missing OpenGraph tags for social media sharing: og:title, og:description, og:image, og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.
Positions in Google
Search Phrases - Google
| Position | Phrase | Page | Snippet |
|---|---|---|---|
| 11 | /downloads/ch32v003d... | ||
| 25 | /downloads/ch341ser_... | ||
| 26 | /downloads/ch341ser_... | ||
| 28 | /downloads/ch341par_... | ||
| 29 | /downloads/ch343ser_... | ||
| 33 | / | ||
| 37 | /downloads/ch341ser_... | ||
| 38 | /downloads/ch341ser_... |