www.nanjingdata.com
Registered
Page analyze update date:
2026/06/22 16:59:52
Last whois update date:
2026/06/22 16:52:23
Domain Status
Registered
Paid till
15.02.2027
Available from
17.03.2027
×
![Fullscreen website screenshot]()
www.nanjingdata.com Website screenshot
SEO Score
50%
73
Score achieved
146
Maximum score
Main Information
Title: 沈氏节能股份有限公司中文官网 | 低碳热管理解决方案的先行者
Description: 沈氏节能科致力于高效节能型管式热交换器、微通道换热器、微反应器及热管理系统解决方案的研发、制造、销售与服务一体化，是国家高新技术企业、重点专精特新“小巨人”企业。在制冷空调、绿色能源、微化工等领域，为用户热系统提供高效、节能的专业定制化热交换解决方案。
Keywords: unknown
Page Encoding:
utf-8
Page Filesize: 270 KB
Server Information
IP: 104.143.157.164
Location: United States,US,,,37.751,-97.822,America/Chicago
Http Server: nginx microsoft-httpapi/2.0
Encoding: utf-8
Powered by: nginx
Meta Tags List
- name: format-detection content: telephone=yes,email=yes,adress=yes
- equiv: X-UA-Compatible content: IE=Edge,chrome=1
- name: renderer content: webkit
- charset: utf-8
- equiv: content-language content: zh-cn
- property: og:site_name content: nanjingdata.com
- property: og:title content: 沈氏节能股份有限公司中文官网 | 低碳热管理解决方案的先行者
- property: og:description content: 沈氏节能科致力于高效节能型管式热交换器、微通道换热器、微反应器及热管理系统解决方案的研发、制造、销售与服务一体化，是国家高新技术企业、重点专精特新“小巨人”企业。在制冷空调、绿色能源、微化工等领域，为用户热系统提供高效、节能的专业定制化热交换解决方案。
- property: og:image content: //icdn.tradew.com/file/201703/1571603/png/6491581.png?x-oss-process=image/quality,Q_90
- name: viewport content: initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0, user-scalable=yes, width=device-width
- name: keywords content: 微混合器,管式反应器,加氢站换热器,加氢机换热器,微通道反应器,气化器,高效换热器,印刷电路板式换热器,热水换热器,水冷换热器,油冷换热器,污水换热器,热水机换热器
- name: description content: 沈氏节能科致力于高效节能型管式热交换器、微通道换热器、微反应器及热管理系统解决方案的研发、制造、销售与服务一体化，是国家高新技术企业、重点专精特新“小巨人”企业。在制冷空调、绿色能源、微化工等领域，为用户热系统提供高效、节能的专业定制化热交换解决方案。
- name: msvalidate.01 content: D22925CC88D73CC9080A13FAEE264B11
- equiv: Cache-Control content: no-transform
Internal Links
External Links
Whois Information
domain_name: nanjingdata.com
update_date: 2026-02-16T15:32:18Z
update_time: 1771255938
creation_date: 2026-02-15T19:44:03Z
creation_time: 1771184643
expiration_date: 2027-02-15T19:44:03Z
Whois Raw Data
Domain Name: NANJINGDATA.COM
Registrar: Chengdu Fly-Digital Technology Co., Ltd.
Domain Status: active
Creation Date: 2026-02-15T19:44:03Z
Registry Expiry Date: 2027-02-15T19:44:03Z
Updated Date: 2026-02-16T15:32:18Z
Name Server: NS1.JUDNS.COM
Name Server: NS2.JUDNS.COM
REGISTRAR Contact: Chengdu Fly-Digital Technology Co., Ltd.
>>> Last update of RDAP database: 2026-06-22T16:52:23Z
SEO Audit
Technical SEO
✓
Response Code
200
Status 200 OK - page loads correctly.
✓
Character Encoding
Page: utf-8, Header: utf-8
Character encoding consistent between HTML and headers.
✓
Page Size
277156 bytes
Page size acceptable for fast loading.
!
Resources
65 total
Too many resources. Optimize and combine files for better performance.
✓
Hreflang Tags
10 hreflang tags
Hreflang tags found for multilingual SEO.
!
Robots.txt
Missing
Add robots.txt file to control search engine crawling.
!
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
9.66 ms
Excellent loading speed.
On-Page SEO
✓
Title
沈氏节能股份有限公司中文官网 | 低碳热管理解决方案的先行者
Good title length (30-60 characters).
✓
Meta Description
沈氏节能科致力于高效节能型管式热交换器、微通道换热器、微反应器及热管理系统解决方案的研发、制造、销售与服务一体化，是国家高新技术企业、重点专精特新“小巨人”企业。在制冷空调、绿色能源、微化工等领域，为用户热系统提供高效、节能的专业定制化热交换解决方案。 Lenght:126
Good meta description length (100-160 characters).
!
H1 Heading
3 found - "沈氏节能"
Use only one H1 heading per page. Remove extra H1 tags.
!
Word Count
133
Content very short. Aim for at least 500 words for better SEO.
!
Canonical Tag
Add canonical tag to prevent duplicate content issues.
✓
Duplicate Meta
[]
No duplicate meta tags found.
✓
Keywords
Meta keywords are optional (not used by major search engines).
Content and UX
✓
Language
zh-cn
Language attribute properly set.
!
Images
49 total, 45 missing ALT
Add ALT text to images for accessibility and SEO.
✓
Viewport
initial-scale=1.0, minimum-scale=1.0, maximum-scale=5.0, user-scalable=yes, width=device-width
Viewport meta tag properly set for mobile devices.
!
Open Graph
Missing: og:url
Add missing OpenGraph tags for social media sharing: og:url
!
Structured Data
0 JSON-LD scripts
Add structured data (JSON-LD) for rich snippets and better SEO.