riot-os.org
RIOT - The friendly Operating System for the Internet of Things
Last scanned Aug 24, 2026, 1:21 PM
Overall score
Fair
Summary
This website uses WordPress hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is fair (50/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
11 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
310 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- RIOT - The friendly Operating System for the Internet of Things
- Description
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 65.108.193.50
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
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
- www.riot-os.org
- Valid from
- Aug 10, 2026
- Valid to
- Nov 8, 2026
- Days until expiry
- 75
- SAN domains
- www.riot-os.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 4 · H2 12 · H3 8
Links
24 internal · 110 external · 0 broken
Images
64 total · 0 missing alt
Scripts / Styles
9 scripts · 10 stylesheets
JS / CSS size
432 KB · 527 KB
Page size
77.6 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
- Missing meta description
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://riot-os.org
- Final URL
- https://www.riot-os.org/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 309 ms
- HTML size
- 77.6 KB
- Redirect chain
- https://riot-os.org → https://www.riot-os.org/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does riot-os.org use?
- riot-os.org is built with WordPress, Bootstrap, jQuery.
- Is riot-os.org secure (HTTPS)?
- Yes. riot-os.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 8, 2026.
- Who hosts riot-os.org?
- riot-os.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is riot-os.org's SEO score?
- riot-os.org scored 50/100 for SEO in the latest analysis (fair).
- What is riot-os.org's overall website score?
- riot-os.org has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card