friedrich-verlag.de
Hochwertige Unterrichtsmaterialien & Arbeitsblätter | Friedrich Verlag
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Great
Summary
Professionelle Unterrichtsvorbereitung für Lehrer:innen. This website uses Google Analytics hosted on SSERV-AS - kyberio GmbH, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
Friedrich Verlag GmbH
Professionelle Unterrichtsvorbereitung für Lehrer:innen. Didaktisch fundierte Unterrichtsentwürfe, Arbeitsblätter, Konzepte & Impulse für alle Fächer
- Luisenstraße 9, Hannover, 30159, DE
- Hosted on SSERV-AS - kyberio GmbH, DE
Top issues to fix
9 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
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
4 issue(s) found
Performance
1.52 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Friedrich Verlag GmbH
Professionelle Unterrichtsvorbereitung für Lehrer:innen. Didaktisch fundierte Unterrichtsentwürfe, Arbeitsblätter, Konzepte & Impulse für alle Fächer
Contact
Email, phone, and address published on this site's own pages.
- Phone
- +4951140004150
- Address
- Luisenstraße 9, Hannover, 30159, DE
Meta tags
- Title
- Hochwertige Unterrichtsmaterialien & Arbeitsblätter | Friedrich Verlag
- Description
- Professionelle Unterrichtsvorbereitung für Lehrer:innen. Didaktisch fundierte Unterrichtsentwürfe, Arbeitsblätter, Konzepte & Impulse für alle Fächer
- Canonical
- https://www.friedrich-verlag.de/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1, viewport-fit=cover
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SSERV-AS - kyberio GmbH, DE
- CDN provider
- —
- IP address
- 185.148.170.114
- ASN
- AS24679 (SSERV-AS - kyberio GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Let's Encrypt
- Subject
- sso.friedrich-verlag.de
- Valid from
- Aug 7, 2026
- Valid to
- Nov 5, 2026
- Days until expiry
- 71
- SAN domains
- sso.friedrich-verlag.de
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 2 cookie(s) observed
Content & assets
Headings
H1 1 · H2 1 · H3 5
Links
95 internal · 31 external · 18 broken
Images
68 total · 0 missing alt
Scripts / Styles
19 scripts · 20 stylesheets
JS / CSS size
296 KB · 180 KB
Page size
0 B
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 OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://friedrich-verlag.de
- Final URL
- https://sso.friedrich-verlag.de/simplesaml/ranhourbareauterseympondedowlyzzersorkadityranisms.php?backurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F&loginurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F%3Flogintype%3Dlogin
- HTTP status
- 302
- HTTP version
- HTTP/2
- Response time
- 1.52 s
- HTML size
- 0 B
- Redirect chain
- https://friedrich-verlag.de → https://www.friedrich-verlag.de/ → https://sso.friedrich-verlag.de/simplesaml/ranhourbareauterseympondedowlyzzersorkadityranisms.php?backurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F&loginurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F%3Flogintype%3Dlogin → https://www.friedrich-verlag.de/ → https://sso.friedrich-verlag.de/simplesaml/ranhourbareauterseympondedowlyzzersorkadityranisms.php?backurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F&loginurl=https%3A%2F%2Fwww.friedrich-verlag.de%2F%3Flogintype%3Dlogin → https://www.friedrich-verlag.de/
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Frequently asked questions
- What technology does friedrich-verlag.de use?
- friedrich-verlag.de is built with Vue.js, PHP, Google Analytics.
- Is friedrich-verlag.de secure (HTTPS)?
- Yes. friedrich-verlag.de uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Nov 5, 2026.
- Who hosts friedrich-verlag.de?
- friedrich-verlag.de is hosted on SSERV-AS - kyberio GmbH, DE.
- What is friedrich-verlag.de's SEO score?
- friedrich-verlag.de scored 80/100 for SEO in the latest analysis (great).
- What is friedrich-verlag.de's overall website score?
- friedrich-verlag.de has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
- What company operates friedrich-verlag.de?
- friedrich-verlag.de is operated by Friedrich Verlag GmbH. Professionelle Unterrichtsvorbereitung für Lehrer:innen. Didaktisch fundierte Unterrichtsentwürfe, Arbeitsblätter, Konzepte & Impulse für alle Fächer
OpenGraph & Twitter Card
OpenGraph
Twitter Card