redocn.com
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Last scanned Aug 4, 2026, 10:00 AM · 8 views
Overall score
Fair
Summary
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Top issues to fix
15 issues found · 4 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
+9 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
1.32 s
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Score history
-2 overall since Jul 27, 2026
- Overall
- 66
- SEO
- 50
- Security
- 65
- Performance
- 80
- Accessibility
- 75
Organization
Company details published in this site's own structured data.
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Contact
Email, phone, and address published on this site's own pages.
- copyright@redocn.com
Meta tags
- Title
- �춯��-ԭ�����������ز�ƽ̨,�ṩ�Ļ�ǽģ�塢չ��ģ�塢������AI��ͼ��AIPPT����,��Ա��������
- Description
- �춯�й����������й�֪����ԭ�����������زķ���ƽ̨,�ṩԭ�����������زģ�ͬʱ�ṩ����չ�塢�����Ļ�ǽ�������Ļ�����������������ppt�������زģ�Ϊ����ʦ������������ӡˢ��˾�����˼����ı�����
- Canonical
- Language
- Charset
- gbk
- Viewport
- 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 Xinya Network Technology Co., Ltd.
- Subject
- *.redocn.com
- Valid from
- Nov 20, 2025
- Valid to
- Dec 21, 2026
- Days until expiry
- 139
- SAN domains
- *.redocn.com, redocn.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
28 internal · 383 external · 20 broken
Images
178 total · 2 missing alt
Scripts / Styles
13 scripts · 4 stylesheets
JS / CSS size
6.4 KB · 22 B
Page size
119 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://redocn.com
- Final URL
- https://www.redocn.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 1.32 s
- HTML size
- 119 KB
- Redirect chain
- https://redocn.com → https://www.redocn.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does redocn.com use?
- redocn.com is built with jQuery, Nginx.
- Is redocn.com secure (HTTPS)?
- Yes. redocn.com uses TLS 1.2 with a certificate issued by Zhejiang Xinya Network Technology Co., Ltd., valid until Dec 21, 2026.
- Who hosts redocn.com?
- Hosting provider information for redocn.com is not available yet.
- What is redocn.com's SEO score?
- redocn.com scored 50/100 for SEO in the latest analysis (fair).
- What is redocn.com's overall website score?
- redocn.com has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.
- Has redocn.com's score changed over time?
- redocn.com's overall score has declined by 2 points (from 68 to 66) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card