libreboot.org
Libreboot – Free and Open Source BIOS/UEFI boot firmware
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Excellent
Summary
Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD. This website uses Nginx hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG. SEO is excellent (90/100) and accessibility is good (85/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD.
- United States
- Hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
Top issues to fix
3 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
SEO
1 issue(s) found
Performance
118 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD.
Contact
Email, phone, and address published on this site's own pages.
- leah@libreboot.org
Meta tags
- Title
- Libreboot – Free and Open Source BIOS/UEFI boot firmware
- Description
- Libreboot is a free/opensource BIOS/UEFI boot firmware distribution based on coreboot with GNU boot loader GRUB, SeaBIOS and U-Boot, for booting Linux/BSD.
- Canonical
- https://libreboot.org/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, user-scalable=yes
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AKAMAI-LINODE-AP - Akamai Connected Cloud, SG
- CDN provider
- —
- IP address
- 212.111.40.74
- ASN
- AS63949 (AKAMAI-LINODE-AP - Akamai Connected Cloud, SG)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA |
|
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- libreboot.org
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 36
- SAN domains
- libreboot.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 2
Links
41 internal · 16 external · 0 broken
Images
11 total · 5 missing alt
Scripts / Styles
0 scripts · 1 stylesheets
JS / CSS size
0 B · 12.5 KB
Page size
16.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 205
SEO issues
- No structured data (JSON-LD) found
Accessibility issues
- More than 20% of images are missing alt text
Scan details
- Requested URL
- https://libreboot.org
- Final URL
- https://libreboot.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 118 ms
- HTML size
- 16.6 KB
- Redirect chain
- https://libreboot.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does libreboot.org use?
- libreboot.org is built with Nginx.
- Is libreboot.org secure (HTTPS)?
- Yes. libreboot.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.
- Who hosts libreboot.org?
- libreboot.org is hosted on AKAMAI-LINODE-AP - Akamai Connected Cloud, SG.
- What is libreboot.org's SEO score?
- libreboot.org scored 90/100 for SEO in the latest analysis (excellent).
- What is libreboot.org's overall website score?
- libreboot.org has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card