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deichman.no

Deichman.no

Last scanned Aug 24, 2026, 1:21 PM

85

Overall score

Great

Summary

Velkommen til Deichman - Oslo kommunes bibliotek og Norges største folkebibliotek. This website uses Next.js hosted on OKDN-AS - Oslo kommune, Utviklings- og kompetanseetaten, NO. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (75/100). Top issue: Missing canonical link.

Velkommen til Deichman - Oslo kommunes bibliotek og Norges største folkebibliotek. Vi holder Oslo våken!

Norway
Hosted on OKDN-AS - Oslo kommune, Utviklings- og kompetanseetaten, NO

Top issues to fix

5 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

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

  • TLS certificate expires in 30 days

    Security

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

  • 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.

  • No structured data (JSON-LD) found

    SEO

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

80

SEO

3 issue(s) found

75

Performance

411 ms

90

Security

HTTPS & header checks

100

Accessibility

0 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.

Velkommen til Deichman - Oslo kommunes bibliotek og Norges største folkebibliotek. Vi holder Oslo våken!

FacebookInstagramLinkedIn

Contact

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

Meta tags

Title
Deichman.no
Description
Velkommen til Deichman - Oslo kommunes bibliotek og Norges største folkebibliotek. Vi holder Oslo våken!
Canonical
Language
no
Charset
utf-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no, viewport-fit=cover
Robots meta
noarchive
Manifest
https://deichman.no/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
Deichman.no
og:description
Velkommen til Deichman - Oslo kommunes bibliotek og Norges største folkebibliotek. Vi holder Oslo våken!
og:type
website
og:url
https://deichman.no/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Next.js

Hosting & CDN

CDN provider
—
IP address
171.23.3.109
ASN
AS21331 (OKDN-AS - Oslo kommune, Utviklings- og kompetanseetaten, NO)

DNS records

TypeValue
A
  • 171.23.3.109
AAAA—
MX
  • oslokommune.mail.protection.outlook.com
TXT—
NS
  • ns3.hyp.net
  • ns2.hyp.net
  • ns1.hyp.net
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
deichman.no
Valid from
Jun 25, 2026
Valid to
Sep 23, 2026
Days until expiry
30
SAN domains
*.deichman.no, deichman.no

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 3 · H2 16 · H3 15

Links

88 internal · 9 external · 0 broken

Images

21 total · 0 missing alt

Scripts / Styles

14 scripts · 2 stylesheets

JS / CSS size

1.2 MB · 215 KB

Page size

308 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
22

SEO issues

  • Missing canonical link
  • Multiple H1 headings found
  • No structured data (JSON-LD) found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://deichman.no
Final URL
https://deichman.no
HTTP status
200
HTTP version
HTTP/2
Response time
405 ms
HTML size
308 KB
Redirect chain
https://deichman.no

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Frequently asked questions

What technology does deichman.no use?
deichman.no is built with Next.js.
Is deichman.no secure (HTTPS)?
Yes. deichman.no uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 23, 2026.
Who hosts deichman.no?
deichman.no is hosted on OKDN-AS - Oslo kommune, Utviklings- og kompetanseetaten, NO.
What is deichman.no's SEO score?
deichman.no scored 80/100 for SEO in the latest analysis (great).
What is deichman.no's overall website score?
deichman.no has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.