onlinebibliotheek.nl
online Bibliotheek: luisterboeken en e-books
Last scanned Aug 24, 2026, 1:21 PM
Overall score
Great
Summary
Leen e-books en luisterboeken bij de online Bibliotheek. This website uses Apache hosted on Azure. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.
Leen e-books en luisterboeken bij de online Bibliotheek. We willen dat jij met plezier leest en luistert. Daarom heb je bij ons 24/7 toegang tot e-books en luisterboeken.
- United States
- Hosted on Azure
Top issues to fix
6 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
1.00 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- online Bibliotheek: luisterboeken en e-books
- Description
- Leen e-books en luisterboeken bij de online Bibliotheek. We willen dat jij met plezier leest en luistert. Daarom heb je bij ons 24/7 toegang tot e-books en luisterboeken.
- Canonical
- Language
- nl-NL
- Charset
- utf-8
- Viewport
- width=device-width, minimum-scale=1.0, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Azure
- CDN provider
- —
- IP address
- 20.23.2.223
- ASN
- AS8075 (MICROSOFT-CORP-MSN-AS-BLOCK - Microsoft Corporation, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Hellenic Academic and Research Institutions CA
- Subject
- www.onlinebibliotheek.nl
- Valid from
- Jul 22, 2026
- Valid to
- Feb 6, 2027
- Days until expiry
- 165
- SAN domains
- www.onlinebibliotheek.nl, onlinebibliotheek.nl
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 7 · H3 15
Links
113 internal · 9 external · 1 broken
Images
100 total · 0 missing alt
Scripts / Styles
2 scripts · 3 stylesheets
JS / CSS size
134 KB · 765 KB
Page size
109 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 16
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- Missing canonical link
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://onlinebibliotheek.nl
- Final URL
- https://www.onlinebibliotheek.nl/home.html
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 999 ms
- HTML size
- 109 KB
- Redirect chain
- https://onlinebibliotheek.nl → https://www.onlinebibliotheek.nl/home.html
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Frequently asked questions
- What technology does onlinebibliotheek.nl use?
- onlinebibliotheek.nl is built with Apache.
- Is onlinebibliotheek.nl secure (HTTPS)?
- Yes. onlinebibliotheek.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
- Who hosts onlinebibliotheek.nl?
- onlinebibliotheek.nl is hosted on Azure.
- What is onlinebibliotheek.nl's SEO score?
- onlinebibliotheek.nl scored 75/100 for SEO in the latest analysis (fair).
- What is onlinebibliotheek.nl's overall website score?
- onlinebibliotheek.nl has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card