Checking results for: www.edu.cn
Additional info for https://www.edu.cn
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 42.247.36.118 |
| Server Software | Eol-SecEdge-v139 |
| CDN | CDN (HIT, server, disk) |
| Compression | gzip |
|
🔒 🟡 Mixed Content (7 HTTP resources) | The page is served over HTTPS but loads 7 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1150 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 42.247.36.118
Server Software Eol-SecEdge-v139
CDN CDN (HIT, server, disk)
Compression gzip
🔒 🟡 Mixed Content (7 HTTP resources) The page is served over HTTPS but loads 7 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1150 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
Performance
| DNS Lookup | 210 ms |
| TCP Connect | 442 ms |
| TLS Handshake | 236.7 ms |
| Time To First Byte (TTFB) | 912.6 ms |
| Content Download | 237.1 ms |
| Total Response Time | 1149.7 ms |
DNS Lookup 210 ms
TCP Connect 442 ms
TLS Handshake 236.7 ms
Time To First Byte (TTFB) 912.6 ms
Content Download 237.1 ms
Total Response Time 1149.7 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 中国教育和科研计算机网CERNET |
| Meta Description | 中国教育网（中国教育和科研计算机网）是中国权威的教育门户网站，是了解中国教育的窗口。网站提供互联网技术、下一代互联网、高校科技、教育信息化、网络安全、中国教育等相关新闻动态及最新政策。 |
Title 中国教育和科研计算机网CERNET
Meta Description 中国教育网（中国教育和科研计算机网）是中国权威的教育门户网站，是了解中国教育的窗口。网站提供互联网技术、下一代互联网、高校科技、教育信息化、网络安全、中国教育等相关新闻动态及最新政策。
Detected Technologies
Technology PHP
HTTP Headers
| Accept-ranges
| bytes |
| Content-encoding
| gzip |
| Content-type
| text/html |
| Date
| Wed, 29 Jul 2026 01:23:17 GMT |
| Etag
| "1785288197" |
| Last-modified
| Wed, 29 Jul 2026 01:23:17 GMT |
| Server
| Eol-SecEdge-v139 |
| Strict-transport-security
| max-age=31536000 |
| Vary
| Accept-Encoding |
| X-cache
| HIT, server, disk |
| X-frame-options
| SAMEORIGIN |
| Content-length
| 16156 |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Keywords | 中国教育网,中国教育,科研发展,教育信息化,CERNET,CERNET2,下一代互联网,人才,人才服务,教师招聘,教育资源,教育服务,教育博客,教育黄页,教育新闻,教育资讯 |
| Description | 中国教育网（中国教育和科研计算机网）是中国权威的教育门户网站，是了解中国教育的窗口。网站提供互联网技术、下一代互联网、高校科技、教育信息化、网络安全、中国教育等相关新闻动态及最新政策。 |
| Copyright | www.edu.cn |
Accept-ranges bytes
Content-encoding gzip
Content-type text/html
Date Wed, 29 Jul 2026 01:23:17 GMT
Etag "1785288197"
Last-modified Wed, 29 Jul 2026 01:23:17 GMT
Server Eol-SecEdge-v139
Strict-transport-security max-age=31536000
Vary Accept-Encoding
X-cache HIT, server, disk
X-frame-options SAMEORIGIN
Content-length 16156
Content-Type text/html; charset=utf-8
Keywords 中国教育网,中国教育,科研发展,教育信息化,CERNET,CERNET2,下一代互联网,人才,人才服务,教师招聘,教育资源,教育服务,教育博客,教育黄页,教育新闻,教育资讯
Description 中国教育网（中国教育和科研计算机网）是中国权威的教育门户网站，是了解中国教育的窗口。网站提供互联网技术、下一代互联网、高校科技、教育信息化、网络安全、中国教育等相关新闻动态及最新政策。
Copyright www.edu.cn
