What technology does randomhouse.de use?

randomhouse.de is built with Nginx.

Is randomhouse.de secure (HTTPS)?

Yes. randomhouse.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 23, 2026.

Who hosts randomhouse.de?

Hosting provider information for randomhouse.de is not available yet.

What is randomhouse.de's SEO score?

randomhouse.de scored 80/100 for SEO in the latest analysis (great).

What is randomhouse.de's overall website score?

randomhouse.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.

randomhouse.de

Penguin: Alle Bücher, Hörbücher & eBooks aus über 40 Verlagen

Last scanned Jul 26, 2026, 5:48 AM

Overall score

Great

Summary

Entdecke die Welt der Bücher mit Penguin. This website uses Nginx. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Title longer than 60 characters.

Penguin Random House Verlagsgruppe GmbH

Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events.

Top issues to fix

6 issues found · 1 high priority

Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

4 issue(s) found

Performance

1.58 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Penguin Random House Verlagsgruppe GmbH

Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events.

X (Twitter)pinterest.de Instagram YouTube Facebook

Contact

Email, phone, and address published on this site's own pages.

Email: deine.email@example.com

Meta tags

Title: Penguin: Alle Bücher, Hörbücher & eBooks aus über 40 Verlagen
Description: Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events.
Canonical: https://www.penguin.de
Language: de-DE
Charset: UTF-8
Viewport: width=device-width, initial-scale=1, maximum-scale=3
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Nginx

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: *.penguin.de
Valid from: Apr 8, 2026
Valid to: Oct 23, 2026
Days until expiry: 87
SAN domains: *.penguin.de, penguin.de

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyMissing
X-Frame-OptionsEnabled
X-Content-Type-OptionsEnabled
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 182

Links

537 internal · 15 external · 20 broken

Images

198 total · 2 missing alt

Scripts / Styles

7 scripts · 2 stylesheets

JS / CSS size

674 B · 0 B

Page size

991 KB

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

Scan details

Requested URL: https://randomhouse.de
Final URL: https://www.penguin.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.56 s
HTML size: 991 KB
Redirect chain: https://randomhouse.de → https://www.penguin.de/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does randomhouse.de use?: randomhouse.de is built with Nginx.
Is randomhouse.de secure (HTTPS)?: Yes. randomhouse.de uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Oct 23, 2026.
Who hosts randomhouse.de?: Hosting provider information for randomhouse.de is not available yet.
What is randomhouse.de's SEO score?: randomhouse.de scored 80/100 for SEO in the latest analysis (great).
What is randomhouse.de's overall website score?: randomhouse.de has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
What company operates randomhouse.de?: randomhouse.de is operated by Penguin Random House Verlagsgruppe GmbH. Entdecke die Welt der Bücher mit Penguin. Mit über 40 Verlagen unter einem Dach informieren wir dich über Neuerscheinungen, Autor*innen & Events.