fnnas.com
飞牛 fnOS - 免费 NAS 操作系统
Last scanned Aug 3, 2026, 7:00 AM · 6 views
Overall score
Great
Summary
飞牛 fnOS 是面向个人与家庭用户的免费 NAS 操作系统，支持 AI 相册、飞牛 TV、飞牛同步、Docker、远程访问，兼容主流 x86 与 ARM 硬件。. This website uses Next.js. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
飞牛
飞牛 fnOS 是面向个人与家庭用户的免费 NAS 操作系统，支持 AI 相册、飞牛 TV、飞牛同步、Docker、远程访问，兼容主流 x86 与 ARM 硬件。
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
293 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
+6 overall since Jul 26, 2026
- Overall
- 82
- SEO
- 75
- Security
- 75
- Performance
- 90
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
飞牛
飞牛 fnOS 是面向个人与家庭用户的免费 NAS 操作系统，支持 AI 相册、飞牛 TV、飞牛同步、Docker、远程访问，兼容主流 x86 与 ARM 硬件。
Meta tags
- Title
- 飞牛 fnOS - 免费 NAS 操作系统
- Description
- 飞牛 fnOS 是面向个人与家庭用户的免费 NAS 操作系统，支持 AI 相册、飞牛 TV、飞牛同步、Docker、远程访问，兼容主流 x86 与 ARM 硬件。
- Canonical
- https://fnnas.com/
- Language
- zh-CN
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- 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
- ZeroSSL GmbH
- Subject
- fnnas.com
- Valid from
- Jul 21, 2026
- Valid to
- Oct 19, 2026
- Days until expiry
- 77
- SAN domains
- fnnas.com, *.fnnas.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- 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 1
Links
11 internal · 22 external · 20 broken
Images
171 total · 0 missing alt
Scripts / Styles
125 scripts · 8 stylesheets
JS / CSS size
425 KB · 0 B
Page size
543 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
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://fnnas.com
- Final URL
- https://fnnas.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 282 ms
- HTML size
- 543 KB
- Redirect chain
- https://fnnas.com
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Frequently asked questions
- What technology does fnnas.com use?
- fnnas.com is built with Next.js.
- Is fnnas.com secure (HTTPS)?
- Yes. fnnas.com uses TLS 1.2 with a certificate issued by ZeroSSL GmbH, valid until Oct 19, 2026.
- Who hosts fnnas.com?
- Hosting provider information for fnnas.com is not available yet.
- What is fnnas.com's SEO score?
- fnnas.com scored 75/100 for SEO in the latest analysis (fair).
- What is fnnas.com's overall website score?
- fnnas.com has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
- What company operates fnnas.com?
- fnnas.com is operated by 飞牛. 飞牛 fnOS 是面向个人与家庭用户的免费 NAS 操作系统，支持 AI 相册、飞牛 TV、飞牛同步、Docker、远程访问，兼容主流 x86 与 ARM 硬件。
- Has fnnas.com's score changed over time?
- fnnas.com's overall score has improved by 6 points (from 76 to 82) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card