zzedu.net.cn
郑州教育信息网
Last scanned Jul 27, 2026, 4:43 PM
Overall score
Fair
Summary
郑州教育信息网(www.zzedu.net.cn)是由郑州市教育局主办、郑州市现代教育信息技术中心负责建设和管理，服务于全市教育行政部门、学校和广大师生的综合性网络服务平�… This website uses Nginx hosted on CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN. SEO is fair (60/100) and accessibility is fair (50/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
郑州教育信息网(www.zzedu.net.cn)是由郑州市教育局主办、郑州市现代教育信息技术中心负责建设和管理，服务于全市教育行政部门、学校和广大师生的综合性网络服务平台。
- China
- Hosted on CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN
Top issues to fix
11 issues found · 3 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
2.08 s
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
郑州教育信息网(www.zzedu.net.cn)是由郑州市教育局主办、郑州市现代教育信息技术中心负责建设和管理，服务于全市教育行政部门、学校和广大师生的综合性网络服务平台。
Contact
Email, phone, and address published on this site's own pages.
- zzeduts@126.com
Meta tags
- Title
- 郑州教育信息网
- Description
- 郑州教育信息网(www.zzedu.net.cn)是由郑州市教育局主办、郑州市现代教育信息技术中心负责建设和管理，服务于全市教育行政部门、学校和广大师生的综合性网络服务平台。
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1,user-scalable=yes
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN
- CDN provider
- —
- IP address
- 218.28.2.100
- ASN
- AS4837 (CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- *.zzedu.net.cn
- Valid from
- Apr 20, 2026
- Valid to
- Nov 4, 2026
- Days until expiry
- 100
- SAN domains
- *.zzedu.net.cn, zzedu.net.cn
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
46 internal · 351 external · 5 broken
Images
55 total · 54 missing alt
Scripts / Styles
19 scripts · 1 stylesheets
JS / CSS size
144 KB · 40.1 KB
Page size
127 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://zzedu.net.cn
- Final URL
- https://zzedu.net.cn
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.08 s
- HTML size
- 127 KB
- Redirect chain
- https://zzedu.net.cn
See something wrong on this report? Request a correction
Related websites
Same technology stack
owncloud.com
ownCloud - share files and folders, easy and secure
hallensteins.co.nz
Hallensteins | Menswear NZ
foresee.com
Predictive Analytics for Customer Experience | Verint
quago.io
Home - Quago
tec.mx
Inicio | Tecnológico de Monterrey
owncloud.org
ownCloud - share files and folders, easy and secure
Same hosting provider
tjnu.edu.cn
403 Forbidden
renfei.net
任霏的个人开发测试站
hsw.cn
华商网-陕西省重点新闻网站
canva.cn
Canva
hlj.gov.cn
黑龙江省人民政府
yuanqidesk.com
元气桌面壁纸官网——动态壁纸桌面—高清壁纸下载
Frequently asked questions
- What technology does zzedu.net.cn use?
- zzedu.net.cn is built with jQuery, Nginx.
- Is zzedu.net.cn secure (HTTPS)?
- Yes. zzedu.net.cn uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 4, 2026.
- Who hosts zzedu.net.cn?
- zzedu.net.cn is hosted on CHINA169-Backbone - CHINA UNICOM China169 Backbone, CN.
- What is zzedu.net.cn's SEO score?
- zzedu.net.cn scored 60/100 for SEO in the latest analysis (fair).
- What is zzedu.net.cn's overall website score?
- zzedu.net.cn has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
- Is zzedu.net.cn hiring?
- zzedu.net.cn has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card