Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 47.239.227.227 |
| Server Software | nginx |
| Compression | gzip |
|
🕐 🟡 Slow Response (2083 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 47.239.227.227
Server Software nginx
Compression gzip
🕐 🟡 Slow Response (2083 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 | 653.6 ms |
| TCP Connect | 845.1 ms |
| TLS Handshake | 194.7 ms |
| Time To First Byte (TTFB) | 2082.4 ms |
| Content Download | 0.3 ms |
| Total Response Time | 2082.8 ms |
DNS Lookup 653.6 ms
TCP Connect 845.1 ms
TLS Handshake 194.7 ms
Time To First Byte (TTFB) 2082.4 ms
Content Download 0.3 ms
Total Response Time 2082.8 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 | SevenLine's Blog |
| Canonical | https://www.sevenline.cn |
| Robots Meta | max-image-preview:large |
Title SevenLine's Blog
Canonical https://www.sevenline.cn
Robots Meta max-image-preview:large
Detected Technologies
| Technology | WordPress jQuery Google Analytics Nginx PHP |
Technology WordPress jQuery Google Analytics Nginx PHP
HTTP Headers
| Server
| nginx |
| Date
| Sat, 25 Jul 2026 02:38:16 GMT |
| Content-type
| text/html; charset=UTF-8 |
| Vary
| Accept-Encoding |
| 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
| Viewport | width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0 |
| X-UA-Compatible | ie=edge |
| Content-language | zh_CN |
| Robots | max-image-preview:large |
Server nginx
Date Sat, 25 Jul 2026 02:38:16 GMT
Content-type text/html; charset=UTF-8
Vary Accept-Encoding
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