herder.de
Herder.de | Bücher auf Rechnung | Themen | Zeitschriften
Last scanned Jul 26, 2026, 1:49 PM · 1 view
Overall score
Great
Summary
Bücher und Zeitschriften aus dem Verlag Herder: Online lesen und kaufen ➤ Herder.de. This website uses Google Analytics. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance good (80/100). Top issue: robots.txt not found.
Verlag Herder
Bücher und Zeitschriften aus dem Verlag Herder: Online lesen und kaufen ➤ Herder.de
Top issues to fix
7 issues found · 2 high priority
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 X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
+1 more issue — details in the sections below.
SEO
2 issue(s) found
Performance
1.13 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Verlag Herder
Bücher und Zeitschriften aus dem Verlag Herder: Online lesen und kaufen ➤ Herder.de
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Herder.de | Bücher auf Rechnung | Themen | Zeitschriften
- Description
- Bücher und Zeitschriften aus dem Verlag Herder: Online lesen und kaufen ➤ Herder.de
- Canonical
- https://www.herder.de/Websites/Herder.de/Geschichte%20&%20Wissen/Vorgeschichte/Von%20der%20Steinzeit%20zur%20Hochkultur
- Language
- de
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- max-image-preview:large
- Manifest
- https://www.herder.de/manifest.json
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
- DigiCert Inc
- Subject
- www.herder.de
- Valid from
- Dec 8, 2025
- Valid to
- Jan 8, 2027
- Days until expiry
- 163
- SAN domains
- www.herder.de, herder.de
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 1
Links
281 internal · 6 external · 20 broken
Images
68 total · 12 missing alt
Scripts / Styles
12 scripts · 1 stylesheets
JS / CSS size
11.5 KB · 0 B
Page size
323 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://herder.de
- Final URL
- https://www.herder.de/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.13 s
- HTML size
- 323 KB
- Redirect chain
- https://herder.de → https://www.herder.de/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does herder.de use?
- herder.de is built with Google Analytics.
- Is herder.de secure (HTTPS)?
- Yes. herder.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Jan 8, 2027.
- Who hosts herder.de?
- Hosting provider information for herder.de is not available yet.
- What is herder.de's SEO score?
- herder.de scored 90/100 for SEO in the latest analysis (excellent).
- What is herder.de's overall website score?
- herder.de has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- What company operates herder.de?
- herder.de is operated by Verlag Herder. Bücher und Zeitschriften aus dem Verlag Herder: Online lesen und kaufen ➤ Herder.de
OpenGraph & Twitter Card
OpenGraph
Twitter Card