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SGSiteGraph

onleihe.de

divibib.com

Last scanned Aug 3, 2026, 2:00 PM · 6 views

81

Overall score

Great

Summary

This website uses Nginx. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing meta description.

Top issues to fix

7 issues found · 3 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • 2 cookies without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+1 more issue — details in the sections below.

60

SEO

5 issue(s) found

90

Performance

1.90 s

90

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

+7 overall since Jul 26, 2026

Overall
81
SEO
60
Security
90
Performance
90
Accessibility
90

Contact

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

Meta tags

Title
divibib.com
Description
Canonical
https://www.divibib.com/informationen-fuer-nutzer-innen/c-1819
Language
de
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Informationen für Nutzer*innen der Onleihe
og:description
ekz Bibliotheksservice GmbH
og:type
website
og:url
https://www.divibib.com/informationen-fuer-nutzer-innen/c-1819

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
divibib.com
Valid from
Apr 21, 2026
Valid to
Nov 5, 2026
Days until expiry
94
SAN domains
divibib.com, www.divibib.com

Security headers

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

Compression: none · 2 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

3 scripts · 2 stylesheets

JS / CSS size

269 KB · 0 B

Page size

272 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • No H1 heading found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://onleihe.de
Final URL
https://www.divibib.com/informationen-fuer-nutzerinnen/c-1819
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.90 s
HTML size
272 KB
Redirect chain
https://onleihe.de → https://www.divibib.com/informationen-fuer-nutzerinnen/c-1819

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Frequently asked questions

What technology does onleihe.de use?
onleihe.de is built with Nginx.
Is onleihe.de secure (HTTPS)?
Yes. onleihe.de uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Nov 5, 2026.
Who hosts onleihe.de?
Hosting provider information for onleihe.de is not available yet.
What is onleihe.de's SEO score?
onleihe.de scored 60/100 for SEO in the latest analysis (fair).
What is onleihe.de's overall website score?
onleihe.de has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
Has onleihe.de's score changed over time?
onleihe.de's overall score has improved by 7 points (from 74 to 81) since Jul 26, 2026.