flossmanuals.net
Floss Manuals - Free Manuals for Free Software
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Fair
Summary
A book community creating books of Free Culture and Free Software. This website uses WordPress. SEO is fair (70/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Missing canonical link.
A book community creating books of Free Culture and Free Software.
Top issues to fix
12 issues found · 3 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
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.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+6 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
2.03 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
A book community creating books of Free Culture and Free Software.
Meta tags
- Title
- Floss Manuals - Free Manuals for Free Software
- Description
- A book community creating books of Free Culture and Free Software.
- Canonical
- Language
- Charset
- utf-8
- 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
- www.flossmanuals.org.uk
- Valid from
- Jul 10, 2026
- Valid to
- Oct 8, 2026
- Days until expiry
- 43
- SAN domains
- flossmanuals.org.uk, www.flossmanuals.org.uk
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 1 · H2 0 · H3 23
Links
6 internal · 75 external · 3 broken
Images
24 total · 24 missing alt
Scripts / Styles
6 scripts · 5 stylesheets
JS / CSS size
348 B · 237 B
Page size
19.1 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://flossmanuals.net
- Final URL
- https://flossmanuals.org.uk/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.03 s
- HTML size
- 19.1 KB
- Redirect chain
- https://flossmanuals.net → https://flossmanuals.org.uk/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does flossmanuals.net use?
- flossmanuals.net is built with WordPress, Bootstrap, jQuery, Apache.
- Is flossmanuals.net secure (HTTPS)?
- Yes. flossmanuals.net uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 8, 2026.
- Who hosts flossmanuals.net?
- Hosting provider information for flossmanuals.net is not available yet.
- What is flossmanuals.net's SEO score?
- flossmanuals.net scored 70/100 for SEO in the latest analysis (fair).
- What is flossmanuals.net's overall website score?
- flossmanuals.net has an overall SiteGraph score of 72/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card