Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 42.62.107.229 |
| Compression | gzip |
|
🔄 🟡 Long Redirect Chain | There are 7 redirects, which may affect SEO and performance. |
|
ℹ 🔵 Missing HSTS | HTTP Strict Transport Security is not configured. Recommended for HTTPS sites. |
|
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 42.62.107.229
Compression gzip
🔄 🟡 Long Redirect Chain There are 7 redirects, which may affect SEO and performance.
ℹ 🔵 Missing HSTS HTTP Strict Transport Security is not configured. Recommended for HTTPS sites.
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://sslibrary.com:443 | 301 | HTTP/1.1 301 Moved Permanently |
| 2 | https://www.sslibrary.com/ | 302 | HTTP/1.1 302 |
| 3 | https://www.sslibrary.com/entry/login | 302 | HTTP/1.1 302 Moved Temporarily |
| 4 | https://www.sslibrary.com/user/login/showlogin | 302 | HTTP/1.1 302 |
| 5 | https://passport2.chaoxing.com/api/checklogin?backurl=https%3A%2F%2Fwww.sslibrary.com%2Fapi%2Fauth%2Fgetcookie%3Freferurl%3D%252Fuser%252Flogin%252Fshowlogin%26itype%3D1&time=1785277498428&enc=5b61505da75b106a6ccaa1473261243b | 302 | HTTP/1.1 302 Found |
| 6 | https://www.sslibrary.com/api/auth/getcookie?referurl=%2Fuser%2Flogin%2Fshowlogin&itype=1&userinfo= | 302 | HTTP/1.1 302 |
| 7 | https://www.sslibrary.com/user/login/showlogin?clg=1 | 200 | HTTP/1.1 200 |
#1 URL https://sslibrary.com:443
HTTP Status Code 301
Status HTTP/1.1 301 Moved Permanently
#2 URL https://www.sslibrary.com/
HTTP Status Code 302
Status HTTP/1.1 302
#3 URL https://www.sslibrary.com/entry/login
HTTP Status Code 302
Status HTTP/1.1 302 Moved Temporarily
#4 URL https://www.sslibrary.com/user/login/showlogin
HTTP Status Code 302
Status HTTP/1.1 302
#5 URL https://passport2.chaoxing.com/api/checklogin?backurl=https%3A%2F%2Fwww.sslibrary.com%2Fapi%2Fauth%2Fgetcookie%3Freferurl%3D%252Fuser%252Flogin%252Fshowlogin%26itype%3D1&time=1785277498428&enc=5b61505da75b106a6ccaa1473261243b
HTTP Status Code 302
Status HTTP/1.1 302 Found
#6 URL https://www.sslibrary.com/api/auth/getcookie?referurl=%2Fuser%2Flogin%2Fshowlogin&itype=1&userinfo=
HTTP Status Code 302
Status HTTP/1.1 302
#7 URL https://www.sslibrary.com/user/login/showlogin?clg=1
HTTP Status Code 200
Status HTTP/1.1 200
Performance
| DNS Lookup | 0.6 ms |
| TCP Connect | 157 ms |
| TLS Handshake | 185.8 ms |
| Time To First Byte (TTFB) | 516 ms |
| Content Download | 0.2 ms |
| Total Response Time | 516.2 ms |
DNS Lookup 0.6 ms
TCP Connect 157 ms
TLS Handshake 185.8 ms
Time To First Byte (TTFB) 516 ms
Content Download 0.2 ms
Total Response Time 516.2 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ✔ nosniff |
| Referrer Policy | origin |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ✔ nosniff
Referrer Policy origin
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
Title 登录页
Detected Technologies
| Technology | jQuery Google Analytics |
Technology jQuery Google Analytics
HTTP Headers
| Date
| Tue, 28 Jul 2026 22:25:00 GMT |
| Content-Type
| text/html;charset=UTF-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Vary
| Accept-Encoding |
| Content-Language
| zh-CN |
| Defaultdomain
| npng1.5read.com |
| Access-Control-Allow-Origin
| * |
| Access-Control-Allow-Methods
| GET, POST |
| Access-Control-Allow-Headers
| DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization |
| Origin-Agent-Cluster
| ?0 |
| Via
| 124.243.227.8 |
| X-Content-Type-Options
| nosniff |
| X-XSS-Protection
| 1; mode=block |
| Content-Security-Policy
| script-src * 'unsafe-inline' 'unsafe-eval' |
| X-Permitted-Cross-Domain-Policies
| master-only |
| Referrer-Policy
| origin |
| X-Download-Options
| noopen |
| Content-Encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=utf-8 |
| Viewport | width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no |
Date Tue, 28 Jul 2026 22:25:00 GMT
Content-Type text/html;charset=UTF-8
Transfer-Encoding chunked
Connection keep-alive
Vary Accept-Encoding
Content-Language zh-CN
Defaultdomain npng1.5read.com
Access-Control-Allow-Origin *
Access-Control-Allow-Methods GET, POST
Access-Control-Allow-Headers DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Authorization
Origin-Agent-Cluster ?0
Via 124.243.227.8
X-Content-Type-Options nosniff
X-XSS-Protection 1; mode=block
Content-Security-Policy script-src * 'unsafe-inline' 'unsafe-eval'
X-Permitted-Cross-Domain-Policies master-only
Referrer-Policy origin
X-Download-Options noopen
Content-Encoding gzip
