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?

Hosting provider information for zzedu.net.cn is not available yet.

What is zzedu.net.cn's SEO score?

zzedu.net.cn scored 55/100 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 68/100, combining SEO, performance, security, and accessibility.

Has zzedu.net.cn's score changed over time?

zzedu.net.cn's overall score has declined by 4 points (from 72 to 68) since Jul 27, 2026.

zzedu.net.cn

郑州教育信息网

Last scanned Aug 5, 2026, 5:00 AM · 9 views

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. SEO is fair (55/100) and accessibility is fair (50/100). Security scores good (85/100) and performance good (80/100). 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。

Top issues to fix

13 issues found · 3 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEO
Add 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
Accessibility
Add alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.

+7 more issues — details in the sections below.

SEO

7 issue(s) found

Performance

3.95 s

Security

HTTPS & header checks

Accessibility

3 issue(s) found

Score history

-4 overall since Jul 27, 2026

Overall: 68
SEO: 55
Security: 85
Performance: 80
Accessibility: 50

Organization

Company details published in this site's own structured data.

Contact

Email, phone, and address published on this site's own pages.

Email: 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.

jQuery Nginx

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

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: 91
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 · 352 external · 20 broken

Images

55 total · 54 missing alt

Scripts / Styles

19 scripts · 1 stylesheets

JS / CSS size

11.3 KB · 5.6 KB

Page size

127 KB

Robots.txt & Sitemap

robots.txt: Not 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
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://zzedu.net.cn
Final URL: https://zzedu.net.cn
HTTP status: 200
HTTP version: HTTP/2
Response time: 3.94 s
HTML size: 127 KB
Redirect chain: https://zzedu.net.cn

See something wrong on this report? Request a correction

Same technology stack

linuxiac.com

Linuxiac - All things Linux & Open Source

100

wordpressnginxgoogle-analytics

vovici.com

Survey Management Software | Verint

100

wordpressnginxjquery

Fastly· Fastly

contao.org

Contao Open Source CMS

100

nginxjquery

HETZNER-AS - Hetzner Online GmbH, DE

enfocus.com

PDF Preflight & Print Automation Software | Enfocus

nginxgoogle-analyticsdrupal

COMBELL-AS - Combell NV, BE· Fastly

doshinsports.com

道新スポーツ | DOSHIN SPORTS

nginxmeta-pixelgoogle-analytics

AWS· CloudFront

frosmo.com

AI-driven personalization strategies

wordpressnginxwoocommerce