Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 150.158.160.150 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (83 HTTP resources) | The page is served over HTTPS but loads 83 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (2002 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. |
|
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 150.158.160.150
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (83 HTTP resources) The page is served over HTTPS but loads 83 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (2002 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.
ℹ 🔵 Missing X-Frame-Options The site can be embedded in iframes by third parties (clickjacking risk).
Performance
| DNS Lookup | 253 ms |
| TCP Connect | 426.4 ms |
| TLS Handshake | 176.2 ms |
| Time To First Byte (TTFB) | 2001.5 ms |
| Content Download | 0.5 ms |
| Total Response Time | 2002 ms |
DNS Lookup 253 ms
TCP Connect 426.4 ms
TLS Handshake 176.2 ms
Time To First Byte (TTFB) 2001.5 ms
Content Download 0.5 ms
Total Response Time 2002 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✔ max-age=31536000 |
| CSP | ⚠ Not configured |
| X-Frame-Options | ⚠ Not configured |
| X-Content-Type-Options | ⚠ Not configured |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✔ max-age=31536000
CSP ⚠ Not configured
X-Frame-Options ⚠ Not configured
X-Content-Type-Options ⚠ Not configured
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | 51系统家园网 - 最新win11 win10 win7纯净系统软件免费下载基地！ |
| Meta Description | 51系统家园网是一家免费的电脑系统、软件游戏下载网站，以提供装机软件、绿色软件、破解汉化软件下载为目标为广大网友提供优质的下载资源,免费系统软件下载就到51系统家园网。 |
Title 51系统家园网 - 最新win11 win10 win7纯净系统软件免费下载基地！
Meta Description 51系统家园网是一家免费的电脑系统、软件游戏下载网站，以提供装机软件、绿色软件、破解汉化软件下载为目标为广大网友提供优质的下载资源,免费系统软件下载就到51系统家园网。
Detected Technologies
| Technology | jQuery Google Analytics Nginx |
Technology jQuery Google Analytics Nginx
HTTP Headers
| Server
| nginx |
| Date
| Wed, 29 Jul 2026 13:12:46 GMT |
| Content-type
| text/html; charset=utf-8 |
| Vary
| Accept-Encoding |
| Set-cookie
| server_name_session=7062fca5747628156217bf78efc72b2c; Max-Age=86400; httponly; path=/ |
| Strict-transport-security
| max-age=31536000 |
| Alt-svc
| quic=":443"; h3=":443"; h3-29=":443"; h3-27=":443";h3-25=":443"; h3-T050=":443"; h3-Q050=":443";h3-Q049=":443";h3-Q048=":443"; h3-Q046=":443"; h3-Q043=":443" |
| Content-encoding
| gzip |
Meta Tags
| X-UA-Compatible | IE=edge,chrome=1 |
| Viewport | width=device-width, initial-scale=1.0 |
| Keywords | 系统家园,Win11系统下载,Win10纯净版,Windows7系统纯净版,Win11纯净版系统下载 |
| Description | 51系统家园网是一家免费的电脑系统、软件游戏下载网站，以提供装机软件、绿色软件、破解汉化软件下载为目标为广大网友提供优质的下载资源,免费系统软件下载就到51系统家园网。 |
| Baidu-site-verification | codeva-Xpn49DqTAX |
Server nginx
Date Wed, 29 Jul 2026 13:12:46 GMT
Content-type text/html; charset=utf-8
Vary Accept-Encoding
Set-cookie server_name_session=7062fca5747628156217bf78efc72b2c; Max-Age=86400; httponly; path=/
Strict-transport-security max-age=31536000
Alt-svc quic=":443"; h3=":443"; h3-29=":443"; h3-27=":443";h3-25=":443"; h3-T050=":443"; h3-Q050=":443";h3-Q049=":443";h3-Q048=":443"; h3-Q046=":443"; h3-Q043=":443"
Content-encoding gzip
