docin.com
Docin.com豆丁网-分享文档 发现价值
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Great
Summary
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。. This website uses Nginx. SEO is fair (65/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
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。
Top issues to fix
10 issues found · 1 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
6 cookies without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
2.16 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
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。
Meta tags
- Title
- Docin.com豆丁网-分享文档 发现价值
- 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。
- Canonical
- Language
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Zhejiang Huluwa Digital Certification Co., Ltd.
- Subject
- *.docin.com
- Valid from
- Jan 14, 2026
- Valid to
- Jan 14, 2027
- Days until expiry
- 172
- SAN domains
- *.docin.com, docin.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 6 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 14
Links
144 internal · 52 external · 5 broken
Images
93 total · 2 missing alt
Scripts / Styles
29 scripts · 2 stylesheets
JS / CSS size
7.2 KB · 847 B
Page size
135 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://docin.com
- Final URL
- https://www.docin.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 2.16 s
- HTML size
- 135 KB
- Redirect chain
- https://docin.com → https://www.docin.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does docin.com use?
- docin.com is built with jQuery, Google Analytics, Nginx.
- Is docin.com secure (HTTPS)?
- Yes. docin.com uses TLS 1.2 with a certificate issued by Zhejiang Huluwa Digital Certification Co., Ltd., valid until Jan 14, 2027.
- Who hosts docin.com?
- Hosting provider information for docin.com is not available yet.
- What is docin.com's SEO score?
- docin.com scored 65/100 for SEO in the latest analysis (fair).
- What is docin.com's overall website score?
- docin.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card