unix.com
www.unix.com
Last scanned Aug 3, 2026, 7:00 AM · 12 views
Overall score
Great
Summary
unix and linux free technical support - community forums and nearly 350k man pages. This website uses Apache. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
unix and linux free technical support - community forums and nearly 350k man pages
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.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
502 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 26, 2026
- Overall
- 87
- SEO
- 80
- Security
- 80
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
unix and linux free technical support - community forums and nearly 350k man pages
Meta tags
- Title
- www.unix.com
- Description
- unix and linux free technical support - community forums and nearly 350k man pages
- Canonical
- http://www.unix.com//
- Language
- Charset
- Viewport
- width=device-width,initial-scale=1
- 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 1.3
- Issuer
- Let's Encrypt
- Subject
- unix.com
- Valid from
- Jul 6, 2026
- Valid to
- Oct 4, 2026
- Days until expiry
- 62
- SAN domains
- unix.com, www.unix.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 2 · H3 0
Links
24 internal · 3 external · 20 broken
Images
1 total · 0 missing alt
Scripts / Styles
1 scripts · 4 stylesheets
JS / CSS size
434 B · 435 B
Page size
7.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Missing <html lang> attribute
Scan details
- Requested URL
- https://unix.com
- Final URL
- https://www.unix.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 502 ms
- HTML size
- 7.6 KB
- Redirect chain
- https://unix.com → https://www.unix.com/
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Frequently asked questions
- What technology does unix.com use?
- unix.com is built with Ruby on Rails, Bootstrap, Apache.
- Is unix.com secure (HTTPS)?
- Yes. unix.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 4, 2026.
- Who hosts unix.com?
- Hosting provider information for unix.com is not available yet.
- What is unix.com's SEO score?
- unix.com scored 80/100 for SEO in the latest analysis (great).
- What is unix.com's overall website score?
- unix.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- Has unix.com's score changed over time?
- unix.com's overall score has declined by 1 point (from 88 to 87) since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card