What technology does annefrank.org use?

We did not detect any specific technologies for annefrank.org in the latest scan.

Is annefrank.org secure (HTTPS)?

Yes. annefrank.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 3, 2027.

Who hosts annefrank.org?

Hosting provider information for annefrank.org is not available yet.

What is annefrank.org's SEO score?

annefrank.org scored 75/100 for SEO in the latest analysis (fair).

What is annefrank.org's overall website score?

annefrank.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

Has annefrank.org's score changed over time?

annefrank.org's overall score has improved by 1 point (from 89 to 90) since Jul 26, 2026.

annefrank.org

Home | Anne Frank Stichting

Last scanned Aug 2, 2026, 2:00 PM · 9 views

Overall score

Excellent

Summary

De officiële website van de Anne Frank Stichting met de meest complete en actuele informatie over Anne Frank, haar dagboek en het Achterhuis. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

De officiële website van de Anne Frank Stichting met de meest complete en actuele informatie over Anne Frank, haar dagboek en het Achterhuis. Bezoek ons museum en lees meer over onze wereldwijde educatieve activiteiten.

Top issues to fix

8 issues found

Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
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.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

SEO

5 issue(s) found

100

Performance

555 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+1 overall since Jul 26, 2026

Overall: 90
SEO: 75
Security: 90
Performance: 100
Accessibility: 100

Organization

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

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Meta tags

Title: Home | Anne Frank Stichting
Description: De officiële website van de Anne Frank Stichting met de meest complete en actuele informatie over Anne Frank, haar dagboek en het Achterhuis. Bezoek ons museum en lees meer over onze wereldwijde educatieve activiteiten.
Canonical
Language: nl
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest: https://www.annefrank.org/static/ico/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

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: Sectigo Limited
Subject: www.annefrank.org
Valid from: Jun 19, 2026
Valid to: Jan 3, 2027
Days until expiry: 154
SAN domains: www.annefrank.org, annefrank.org

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 3 · H2 1 · H3 0

Links

53 internal · 6 external · 20 broken

Images

8 total · 0 missing alt

Scripts / Styles

4 scripts · 2 stylesheets

JS / CSS size

1.4 KB · 0 B

Page size

30.0 KB

Robots.txt & Sitemap

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

SEO issues

Meta description longer than 160 characters
Missing canonical link
Multiple H1 headings found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://annefrank.org
Final URL: https://www.annefrank.org/nl/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 555 ms
HTML size: 30.0 KB
Redirect chain: https://annefrank.org → https://www.annefrank.org/ → https://www.annefrank.org/nl/

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Frequently asked questions

What technology does annefrank.org use?: We did not detect any specific technologies for annefrank.org in the latest scan.
Is annefrank.org secure (HTTPS)?: Yes. annefrank.org uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Jan 3, 2027.
Who hosts annefrank.org?: Hosting provider information for annefrank.org is not available yet.
What is annefrank.org's SEO score?: annefrank.org scored 75/100 for SEO in the latest analysis (fair).
What is annefrank.org's overall website score?: annefrank.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
Has annefrank.org's score changed over time?: annefrank.org's overall score has improved by 1 point (from 89 to 90) since Jul 26, 2026.