asteroidos.org
Free your wrist - AsteroidOS
Last scanned Jul 27, 2026, 8:44 AM · 1 view
Overall score
Fair
Summary
AsteroidOS is an open-source operating system for smartwatches. This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is fair (70/100) and accessibility is fair (70/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
AsteroidOS is an open-source operating system for smartwatches.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
10 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.
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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
126 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
AsteroidOS is an open-source operating system for smartwatches.
Contact
Email, phone, and address published on this site's own pages.
Source: https://asteroidos.org/contact/
Meta tags
- Title
- Free your wrist - AsteroidOS
- Description
- AsteroidOS is an open-source operating system for smartwatches.
- 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
- 144.76.113.209
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
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
- asteroidos.org
- Valid from
- Jun 1, 2026
- Valid to
- Aug 30, 2026
- Days until expiry
- 34
- SAN domains
- asteroidos.org, flash.asteroidos.org, log.asteroidos.org, release.asteroidos.org, wiki.asteroidos.org, www.asteroidos.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
12 internal · 7 external · 1 broken
Images
51 total · 51 missing alt
Scripts / Styles
12 scripts · 1 stylesheets
JS / CSS size
135 KB · 196 KB
Page size
13.6 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
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://asteroidos.org
- Final URL
- https://asteroidos.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 126 ms
- HTML size
- 13.6 KB
- Redirect chain
- https://asteroidos.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does asteroidos.org use?
- asteroidos.org is built with jQuery, Nginx.
- Is asteroidos.org secure (HTTPS)?
- Yes. asteroidos.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 30, 2026.
- Who hosts asteroidos.org?
- asteroidos.org is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is asteroidos.org's SEO score?
- asteroidos.org scored 70/100 for SEO in the latest analysis (fair).
- What is asteroidos.org's overall website score?
- asteroidos.org has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Is asteroidos.org hiring?
- asteroidos.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card