Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 180.76.198.147 |
| Server Software | ADAS/1.0.214 |
| Compression | gzip |
|
🕐 🟡 Slow Response (2422 ms) | Response time exceeds 1 second. Consider optimizing the server or using caching. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 180.76.198.147
Server Software ADAS/1.0.214
Compression gzip
🕐 🟡 Slow Response (2422 ms) Response time exceeds 1 second. Consider optimizing the server or using caching.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://oschina.net:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.oschina.net/ | 200 | HTTP/1.1 200 OK |
#1 URL https://oschina.net:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.oschina.net/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 456.7 ms |
| TCP Connect | 637.1 ms |
| TLS Handshake | 1502.5 ms |
| Time To First Byte (TTFB) | 2422.2 ms |
| Content Download | 0.1 ms |
| Total Response Time | 2422.3 ms |
DNS Lookup 456.7 ms
TCP Connect 637.1 ms
TLS Handshake 1502.5 ms
Time To First Byte (TTFB) 2422.2 ms
Content Download 0.1 ms
Total Response Time 2422.3 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | OSCHINA - 开源 × AI · 开发者生态社区 |
Title OSCHINA - 开源 × AI · 开发者生态社区
HTTP Headers
| Server
| ADAS/1.0.214 |
| Date
| Wed, 29 Jul 2026 16:02:37 GMT |
| Content-Type
| text/html; charset=utf-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Vary
| Accept-Encoding |
| Last-Modified
| Fri, 17 Jul 2026 06:25:19 GMT |
| X-Frame-Options
| SAMEORIGIN |
| X-XSS-Protection
| 1; mode=block |
| Content-Security-Policy
| frame-ancestors 'self' |
| Content-Encoding
| gzip |
Meta Tags
| Viewport | width=device-width, initial-scale=1.0 |
Server ADAS/1.0.214
Date Wed, 29 Jul 2026 16:02:37 GMT
Content-Type text/html; charset=utf-8
Transfer-Encoding chunked
Connection keep-alive
Vary Accept-Encoding
Last-Modified Fri, 17 Jul 2026 06:25:19 GMT
X-Frame-Options SAMEORIGIN
X-XSS-Protection 1; mode=block
Content-Security-Policy frame-ancestors 'self'
Content-Encoding gzip
