codelabs.ch
codelabs - High Assurance Systems
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
codelabs High Assurance Systems website. This website uses Apache. SEO is fair (60/100) and accessibility is good (75/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.
codelabs High Assurance Systems website
Top issues to fix
9 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.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+3 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
137 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Organization
Company details published in this site's own structured data.
codelabs High Assurance Systems website
Contact
Email, phone, and address published on this site's own pages.
- contact@codelabs.ch
Meta tags
- Title
- codelabs - High Assurance Systems
- Description
- codelabs High Assurance Systems website
- Canonical
- Language
- en
- 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
- codelabs.ch
- Valid from
- Aug 3, 2026
- Valid to
- Nov 1, 2026
- Days until expiry
- 68
- SAN domains
- codelabs.ch, git.codelabs.ch, www.codelabs.ch
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 5 · H3 4
Links
3 internal · 4 external · 0 broken
Images
7 total · 2 missing alt
Scripts / Styles
6 scripts · 7 stylesheets
JS / CSS size
144 KB · 199 KB
Page size
10.2 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 H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://codelabs.ch
- Final URL
- https://codelabs.ch
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 137 ms
- HTML size
- 10.2 KB
- Redirect chain
- https://codelabs.ch
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does codelabs.ch use?
- codelabs.ch is built with Bootstrap, jQuery, Apache.
- Is codelabs.ch secure (HTTPS)?
- Yes. codelabs.ch uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 1, 2026.
- Who hosts codelabs.ch?
- Hosting provider information for codelabs.ch is not available yet.
- What is codelabs.ch's SEO score?
- codelabs.ch scored 60/100 for SEO in the latest analysis (fair).
- What is codelabs.ch's overall website score?
- codelabs.ch has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card