internet-abc.de website report
Startseite des Internet-ABC | Internet-ABC
Last scanned
Overall score
Fair
About internet-abc.de
internet-abc.de is a website. It describes itself as “Die unabhängige Plattform "Internet-ABC" bietet Informationen über den sicheren Umgang mit dem Internet für Kinder, Lehrkräfte und Eltern”.
Score profile
Top issues to fix
8 issues found · 3 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.
Slow estimated load (4.4s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
How it compares
internet-abc.de scores higher overall than 37% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
internet-abc.de is built with Nginx.
Servers (1)
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
internet-abc.de uses TLS 1.3 with a certificate valid for 58 more days and sets 2 of 6 recommended security headers.
Security headers2 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 1
Email security
internet-abc.de scores D for email security, with SPF and DMARC policy “none”.
- SPFGood
Rejects senders not listed (-all).
- DMARCWeak
Monitoring only: forged mail is still delivered.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
internet-abc.de scores 80/100 for performance, with an estimated load time of 4.4 s. A visit emits an estimated 0.03 g of CO2 (grade A+).
Page weight
- HTML 72.3 KB
- JavaScript 698 B
- Est. load
- 4.36 s
- Response
- 4.36 s
- Scripts / CSS
- 6 / 5
Carbon per visitA+
0.03 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
internet-abc.de scores 70/100 for SEO and 90/100 for accessibility, with 4 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
39 images · 0 without alt text · 34 lazy-loaded
Links
- Internal 69
- Broken 20
SEO issues4
- No H1 heading found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues1
- No H1 heading found
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- Startseite des Internet-ABC | Internet-ABC
- Description
- Die unabhängige Plattform "Internet-ABC" bietet Informationen über den sicheren Umgang mit dem Internet für Kinder, Lehrkräfte und Eltern.
- Canonical
- https://www.internet-abc.de/
- Language
- de-DE
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://www.internet-abc.de/
- HTTP status
- 200
- Redirects
- https://internet-abc.de → https://www.internet-abc.de/
- Scanned
- Aug 24, 2026, 1:23 PM
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Frequently asked questions about internet-abc.de
- What is internet-abc.de?
- internet-abc.de is a website. It describes itself as “Die unabhängige Plattform "Internet-ABC" bietet Informationen über den sicheren Umgang mit dem Internet für Kinder, Lehrkräfte und Eltern”.
- What technology does internet-abc.de use?
- internet-abc.de is built with Nginx.
- Is internet-abc.de secure?
- internet-abc.de uses TLS 1.3 with a certificate valid for 58 more days and sets 2 of 6 recommended security headers.
- Is internet-abc.de protected against email spoofing?
- internet-abc.de scores D for email security, with SPF and DMARC policy “none”.
- How does internet-abc.de compare with similar sites?
- internet-abc.de scores higher overall than 37% of the 163,243 sites we have scanned.
- What is internet-abc.de's overall score?
- internet-abc.de has an overall SiteGraph score of 79/100, combining SEO (70), performance (80), security (80) and accessibility (90).
Open Graph & Twitter