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SGSiteGraph

ntvg.nl

Nederlands Tijdschrift voor Geneeskunde

Last scanned Aug 24, 2026, 1:22 PM

84

Overall score

Great

Summary

Recente ontwikkelingen in de medische wetenschap. This website uses Google Analytics. SEO is fair (70/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: No H1 heading found.

Recente ontwikkelingen in de medische wetenschap. Geduid en van commentaar voorzien door erkende vakgenoten.

Top issues to fix

6 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

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

  • 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.

  • TLS certificate expires in 28 days

    Security

    Renew soon or enable auto-renewal to avoid a browser-warning outage.

  • 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.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

70

SEO

4 issue(s) found

90

Performance

322 ms

90

Security

HTTPS & header checks

90

Accessibility

1 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.

Recente ontwikkelingen in de medische wetenschap. Geduid en van commentaar voorzien door erkende vakgenoten.

Meta tags

Title
Nederlands Tijdschrift voor Geneeskunde
Description
Recente ontwikkelingen in de medische wetenschap. Geduid en van commentaar voorzien door erkende vakgenoten.
Canonical
https://www.ntvg.nl/
Language
nl
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Home
og:description
og:type
og:url

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
IP address
87.233.198.7
ASN

DNS records

TypeValue
A
  • 87.233.198.7
AAAA
  • 2001:9a8:a6:0:87:233:198:7
MX
  • ntvg-nl.mail.protection.outlook.com
TXT
NS
  • ns0.transip.net
  • ns1.transip.nl
  • ns2.transip.eu
CAA
CNAME
  • ntvg.nl
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
ntvg.nl
Valid from
Jun 24, 2026
Valid to
Sep 22, 2026
Days until expiry
28
SAN domains
ntvg.nl, www.ntvg.nl

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 15 · H3 16

Links

55 internal · 6 external · 0 broken

Images

26 total · 0 missing alt

Scripts / Styles

16 scripts · 3 stylesheets

JS / CSS size

302 KB · 1.2 MB

Page size

68.3 KB

Robots.txt & Sitemap

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

SEO issues

  • 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://ntvg.nl
Final URL
https://www.ntvg.nl/
HTTP status
200
HTTP version
HTTP/2
Response time
321 ms
HTML size
68.3 KB
Redirect chain
https://ntvg.nl → https://www.ntvg.nl/

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Frequently asked questions

What technology does ntvg.nl use?
ntvg.nl is built with jQuery, Google Analytics.
Is ntvg.nl secure (HTTPS)?
Yes. ntvg.nl uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 22, 2026.
Who hosts ntvg.nl?
Hosting provider information for ntvg.nl is not available yet.
What is ntvg.nl's SEO score?
ntvg.nl scored 70/100 for SEO in the latest analysis (fair).
What is ntvg.nl's overall website score?
ntvg.nl has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.