Checking results for: www.docin.com
Additional info for https://www.docin.com
Technical Information
| HTTP Status Code | 200 |
| HTTP Version | HTTP/1.1 |
| HTTPS | ✔ Available |
| IP Address | 221.122.132.138 |
| Server Software | nginx |
| Compression | gzip |
|
🔒 🟡 Mixed Content (11 HTTP resources) | The page is served over HTTPS but loads 11 resource(s) over HTTP. This may be blocked in modern browsers. |
|
🕐 🟡 Slow Response (1282 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 221.122.132.138
Server Software nginx
Compression gzip
🔒 🟡 Mixed Content (11 HTTP resources) The page is served over HTTPS but loads 11 resource(s) over HTTP. This may be blocked in modern browsers.
🕐 🟡 Slow Response (1282 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.
Performance
| DNS Lookup | 253.9 ms |
| TCP Connect | 450.3 ms |
| TLS Handshake | 409.7 ms |
| Time To First Byte (TTFB) | 1281.2 ms |
| Content Download | 0.6 ms |
| Total Response Time | 1281.8 ms |
DNS Lookup 253.9 ms
TCP Connect 450.3 ms
TLS Handshake 409.7 ms
Time To First Byte (TTFB) 1281.2 ms
Content Download 0.6 ms
Total Response Time 1281.8 ms
Security
| HTTPS | ✔ Enabled |
| HSTS | ✘ Not configured |
| CSP | ✔ Configured |
| X-Frame-Options | ✔ SAMEORIGIN |
| X-Content-Type-Options | ✔ nosniff |
| HTTP/2 | ⚠ HTTP/1.1 |
HTTPS ✔ Enabled
HSTS ✘ Not configured
CSP ✔ Configured
X-Frame-Options ✔ SAMEORIGIN
X-Content-Type-Options ✔ nosniff
HTTP/2 ⚠ HTTP/1.1
SEO Quick Check
| Title | Docin.com豆丁网-分享文档 发现价值 |
| Meta Description | 豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用文档和书刊杂志。 |
Title Docin.com豆丁网-分享文档 发现价值
Meta Description 豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用文档和书刊杂志。
Detected Technologies
| Technology | jQuery Google Analytics Google Tag Manager Nginx |
Technology jQuery Google Analytics Google Tag Manager Nginx
HTTP Headers
| Server
| nginx |
| Date
| Wed, 22 Jul 2026 18:44:27 GMT |
| Content-Type
| text/html;charset=UTF-8 |
| Transfer-Encoding
| chunked |
| Connection
| keep-alive |
| Vary
| Accept-Encoding |
| Content-Language
| en-US |
| Content-Security-Policy
| default-src * 'unsafe-inline' 'unsafe-eval' data: blob:;frame-ancestors *;img-src 'self' data: blob: https:;font-src 'self' data: blob: https:;base-uri 'self';object-src 'none';worker-src 'self' blob:;upgrade-insecure-requests; |
| X-XSS-Protection
| 1; mode=block |
| X-Frame-Options
| SAMEORIGIN |
| X-Content-Type-Options
| nosniff |
| Content-Encoding
| gzip |
Meta Tags
| Content-Type | text/html; charset=UTF-8 |
| Referrer | no-referrer-when-downgrade |
| Content-language | zh-cn |
| Description | 豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用文档和书刊杂志。 |
| Keywords | 豆丁,文档分享,论文,研究报告,企业工具,认证考试 |
| Msapplication-task | name=我的任务;action-uri=https://www.docin.com/task/index.do;icon-uri=https://hs.douding.cn/images_cn/favicon.ico?rand=20260715 |
| Apple-itunes-app | app-id=473506754 |
| Shenma-site-verification | 7c5623fadf302619609b3177d4d6bc37 |
| Author | 豆丁网 |
| Copyright | 豆丁网 docin.com 版权所有 |
| Viewport | width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no |
Server nginx
Date Wed, 22 Jul 2026 18:44:27 GMT
Content-Type text/html;charset=UTF-8
Transfer-Encoding chunked
Connection keep-alive
Vary Accept-Encoding
Content-Language en-US
Content-Security-Policy default-src * 'unsafe-inline' 'unsafe-eval' data: blob:;frame-ancestors *;img-src 'self' data: blob: https:;font-src 'self' data: blob: https:;base-uri 'self';object-src 'none';worker-src 'self' blob:;upgrade-insecure-requests;
X-XSS-Protection 1; mode=block
X-Frame-Options SAMEORIGIN
X-Content-Type-Options nosniff
Content-Encoding gzip
Content-Type text/html; charset=UTF-8
Referrer no-referrer-when-downgrade
Content-language zh-cn
Description 豆丁网是面向全球的中文社会化阅读分享平台，拥有商业,教育,研究报告,行业资料,学术论文,认证考试,星座,心理学等数亿实用文档和书刊杂志。
Keywords 豆丁,文档分享,论文,研究报告,企业工具,认证考试
Msapplication-task name=我的任务;action-uri=https://www.docin.com/task/index.do;icon-uri=https://hs.douding.cn/images_cn/favicon.ico?rand=20260715
Apple-itunes-app app-id=473506754
Shenma-site-verification 7c5623fadf302619609b3177d4d6bc37
Author 豆丁网
Copyright 豆丁网 docin.com 版权所有
Viewport width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
