api.assertcom.de
Last scanned Jul 23, 2026, 12:53 PM
Overall score
Fair
Summary
This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is poor (35/100) and accessibility is good (75/100). Security scores fair (50/100) and performance excellent (100/100). Top issue: Missing <title>.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
15 issues found · 7 high priority
TLS certificate expires in 11 days
SecurityRenew now (or enable auto-renewal) — an expired certificate blocks visitors with a full-page browser warning.
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.
Missing title tag
SEOAdd a unique, descriptive <title> tag — it's the single most important on-page SEO element.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
+9 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
123 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Meta tags
- Title
- Description
- Canonical
- Language
- Charset
- Viewport
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 213.239.211.175
- 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
- event.ay.delivery
- Valid from
- May 6, 2026
- Valid to
- Aug 4, 2026
- Days until expiry
- 11
- SAN domains
- api.assertcom.de, event.ay.delivery
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
0 scripts · 0 stylesheets
JS / CSS size
0 B · 0 B
Page size
0 B
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing <title>
- Missing meta description
- 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
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://api.assertcom.de
- Final URL
- https://api.assertcom.de
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 123 ms
- HTML size
- 0 B
- Redirect chain
- https://api.assertcom.de
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does api.assertcom.de use?
- api.assertcom.de is built with Nginx.
- Is api.assertcom.de secure (HTTPS)?
- Yes. api.assertcom.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 4, 2026.
- Who hosts api.assertcom.de?
- api.assertcom.de is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is api.assertcom.de's SEO score?
- api.assertcom.de scored 35/100 for SEO in the latest analysis (poor).
- What is api.assertcom.de's overall website score?
- api.assertcom.de has an overall SiteGraph score of 63/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card