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kb.se

Kungliga biblioteket – Sveriges nationalbibliotek

Last scanned Aug 1, 2026, 9:00 PM · 12 views

86

Overall score

Great

Summary

Kungliga biblioteket (KB) är Sveriges nationalbibliotek. This website uses Apache. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.

Kungliga biblioteket (KB) är Sveriges nationalbibliotek. Vi samlar in och bevarar nästan allt som publiceras i Sverige.

Top issues to fix

7 issues found · 1 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • 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.

+1 more issue — details in the sections below.

75

SEO

4 issue(s) found

90

Performance

1.42 s

85

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-1 overall since Jul 25, 2026

Overall
86
SEO
75
Security
85
Performance
90
Accessibility
100

Organization

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

Kungliga biblioteket (KB) är Sveriges nationalbibliotek. Vi samlar in och bevarar nästan allt som publiceras i Sverige.

FacebookLinkedInInstagram

Meta tags

Title
Kungliga biblioteket – Sveriges nationalbibliotek
Description
Kungliga biblioteket (KB) är Sveriges nationalbibliotek. Vi samlar in och bevarar nästan allt som publiceras i Sverige.
Canonical
https://www.kb.se
Language
sv
Charset
UTF-8
Viewport
width=device-width, initial-scale=1, minimum-scale=1, shrink-to-fit=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Kungliga biblioteket – Sveriges nationalbibliotek
og:description
Kungliga biblioteket (KB) är Sveriges nationalbibliotek. Vi samlar in och bevarar nästan allt som publiceras i Sverige.
og:type
website
og:url
—

Twitter Card

twitter:card
—
twitter:title
Kungliga biblioteket – Sveriges nationalbibliotek
twitter:description
Kungliga biblioteket (KB) är Sveriges nationalbibliotek. Vi samlar in och bevarar nästan allt som publiceras i Sverige.

Technologies

Detected frameworks, languages, and tools.

jQueryApache

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
Hellenic Academic and Research Institutions CA
Subject
kb.se
Valid from
Jul 22, 2026
Valid to
Feb 6, 2027
Days until expiry
188
SAN domains
kb.se, www.kb.se

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 2 · H2 13 · H3 12

Links

44 internal · 11 external · 20 broken

Images

18 total · 0 missing alt

Scripts / Styles

100 scripts · 26 stylesheets

JS / CSS size

51.1 KB · 156 B

Page size

128 KB

Robots.txt & Sitemap

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

SEO issues

  • Multiple H1 headings found
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://kb.se
Final URL
https://www.kb.se/
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.42 s
HTML size
128 KB
Redirect chain
https://kb.se → https://www.kb.se/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does kb.se use?
kb.se is built with jQuery, Apache.
Is kb.se secure (HTTPS)?
Yes. kb.se uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
Who hosts kb.se?
Hosting provider information for kb.se is not available yet.
What is kb.se's SEO score?
kb.se scored 75/100 for SEO in the latest analysis (fair).
What is kb.se's overall website score?
kb.se has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has kb.se's score changed over time?
kb.se's overall score has declined by 1 point (from 87 to 86) since Jul 25, 2026.