Checking results for: co188.com
Additional info for https://co188.com
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 118.184.169.35 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (5 HTTP resources) | The page is served over HTTPS but loads 5 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1139 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. |
|
ℹ 🔵 Missing Content Security Policy | CSP is not configured. It helps prevent XSS attacks and content injection. |
|
ℹ 🔵 Missing X-Frame-Options | The site can be embedded in iframes by third parties (clickjacking risk). |
HTTP Status Code 200
HTTP Version HTTP/1.1
HTTPS ✔ Available
IP Address 118.184.169.35
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (5 HTTP resources) The page is served over HTTPS but loads 5 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1139 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.
ℹ 🔵 Missing Content Security Policy CSP is not configured. It helps prevent XSS attacks and content injection.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Redirect Chain
| # | URL | HTTP Status Code | Status |
| 1 | https://co188.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.co188.com/ | 200 | HTTP/1.1 200 OK |
#1 URL https://co188.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.co188.com/
HTTP Status Code 200
Status HTTP/1.1 200 OK
Performance
| DNS Lookup | 459.3 ms |
| TCP Connect | 683 ms |
| TLS Handshake | 229.2 ms |
| Time To First Byte (TTFB) | 1138.9 ms |
| Content Download | 0.2 ms |
| Total Response Time | 1139.1 ms |
DNS Lookup 459.3 ms
TCP Connect 683 ms
TLS Handshake 229.2 ms
Time To First Byte (TTFB) 1138.9 ms
Content Download 0.2 ms
Total Response Time 1139.1 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 土木在线网_土木工程网站_土木工程师职业成长家园！ |
| Meta Description | 土木在线(co188.com)是专业的土木建筑综合服务平台。深度覆盖建筑、结构、给排水、暖通、电气五大核心专业，主营海量工程图纸与技术资料下载、实战型职业培训课程，并提供活跃的技术交流论坛。致力于为工程设计与施工人员打造一站式资源共享与学习提升阵地。 |
Title 土木在线网_土木工程网站_土木工程师职业成长家园！
Meta Description 土木在线(co188.com)是专业的土木建筑综合服务平台。深度覆盖建筑、结构、给排水、暖通、电气五大核心专业，主营海量工程图纸与技术资料下载、实战型职业培训课程，并提供活跃的技术交流论坛。致力于为工程设计与施工人员打造一站式资源共享与学习提升阵地。
Detected Technologies
Technology Nginx
HTTP Headers
| Server
| nginx |
| Date
| Wed, 19 Aug 2026 22:49:08 GMT |
| Content-Type
| text/html |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Last-Modified
| Wed, 19 Aug 2026 22:48:01 GMT |
| Vary
| Accept-Encoding |
| ETag
| W/"6a8632a1-6c0c" |
| Content-Encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| X-UA-Compatible | IE=edge,chrome=1 |
| Msvalidate.01 | 817251B5706A36EC9F1388E8C6411F19 |
| Applicable-device | pc |
| Keywords | 土木在线,建筑设计,结构设计,给排水,暖通空调,建筑电气,建筑资料下载,土木培训课程,技术交流论坛,CAD图纸下载 |
| Description | 土木在线(co188.com)是专业的土木建筑综合服务平台。深度覆盖建筑、结构、给排水、暖通、电气五大核心专业，主营海量工程图纸与技术资料下载、实战型职业培训课程，并提供活跃的技术交流论坛。致力于为工程设计与施工人员打造一站式资源共享与学习提升阵地。 |
Server nginx
Date Wed, 19 Aug 2026 22:49:08 GMT
Content-Type text/html
Transfer-Encoding chunked
Connection keep-alive
Last-Modified Wed, 19 Aug 2026 22:48:01 GMT
Vary Accept-Encoding
ETag W/"6a8632a1-6c0c"
Content-Encoding gzip
Content-Type text/html; charset=utf-8
X-UA-Compatible IE=edge,chrome=1
Msvalidate.01 817251B5706A36EC9F1388E8C6411F19
Applicable-device pc
Keywords 土木在线,建筑设计,结构设计,给排水,暖通空调,建筑电气,建筑资料下载,土木培训课程,技术交流论坛,CAD图纸下载
Description 土木在线(co188.com)是专业的土木建筑综合服务平台。深度覆盖建筑、结构、给排水、暖通、电气五大核心专业，主营海量工程图纸与技术资料下载、实战型职业培训课程，并提供活跃的技术交流论坛。致力于为工程设计与施工人员打造一站式资源共享与学习提升阵地。
