What technology does snl.no use?

snl.no is built with Ruby on Rails, Nginx.

Is snl.no secure (HTTPS)?

Yes. snl.no uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 6, 2026.

Hosting provider information for snl.no is not available yet.

What is snl.no's SEO score?

snl.no scored 90/100 for SEO in the latest analysis (excellent).

What is snl.no's overall website score?

snl.no has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

Has snl.no's score changed over time?

snl.no's overall score has declined by 3 points (from 93 to 90) since Jul 26, 2026.

snl.no

Store norske leksikon

Last scanned Aug 3, 2026, 2:00 AM · 9 views

Overall score

Excellent

Summary

Norges nasjonalleksikon med over 300 000 artikler skrevet av fagfolk. This website uses Nginx behind Fastly CDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: robots.txt not found.

Norges nasjonalleksikon med over 300 000 artikler skrevet av fagfolk. Oppdatert og fritt tilgjengelig.

Top issues to fix

5 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
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.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

2 issue(s) found

Performance

1.50 s

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 26, 2026

Overall: 90
SEO: 90
Security: 80
Performance: 90
Accessibility: 100

Organization

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

Norges nasjonalleksikon med over 300 000 artikler skrevet av fagfolk. Oppdatert og fritt tilgjengelig.

Meta tags

Title: Store norske leksikon
Description: Norges nasjonalleksikon med over 300 000 artikler skrevet av fagfolk. Oppdatert og fritt tilgjengelig.
Canonical: https://snl.no/
Language: no
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Ruby on Rails Nginx

Hosting & CDN

Hosting provider: —
CDN provider: Fastly
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: Let's Encrypt
Subject: snl.no
Valid from: Jun 8, 2026
Valid to: Sep 6, 2026
Days until expiry: 34
SAN domains: *.snl.no, snl.no

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 13 · H3 2

Links

78 internal · 32 external · 20 broken

Images

30 total · 0 missing alt

Scripts / Styles

5 scripts · 1 stylesheets

JS / CSS size

1.1 KB · 0 B

Page size

35.7 KB

Robots.txt & Sitemap

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

SEO issues

robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://snl.no
Final URL: https://snl.no
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.50 s
HTML size: 35.7 KB
Redirect chain: https://snl.no

See something wrong on this report? Request a correction

Same technology stack

figuya.com

Figuya | Anime-Figuren & Collectibles

nginxgoogle-analyticsrails

IONOS-AS - IONOS SE, DE

browsec.com

VPN Service | Privacy and Security Online | Browsec VPN

nginxgoogle-analyticsrails

better.org.uk

Better: A Charitable Social Enterprise. Join us now.

nginxgoogle-analyticsrails

domaine.fr

Domaine.fr : enregistrement noms de domaine .fr .com .net

nginxgoogle-analyticsmeta-pixel

airbnb.com.sg

Airbnb | Holiday rentals, cabins, beach houses & more

nginxgoogle-analyticsmeta-pixel

AKAMAI-ASN1 - Akamai International B.V., NL

whatthemovie.com

The Ultimate Movie Quiz | Guess Movies from Screenshots | WTM

nginxtailwindcssrails

HETZNER-AS - Hetzner Online GmbH, DE

Frequently asked questions

What technology does snl.no use?: snl.no is built with Ruby on Rails, Nginx.
Is snl.no secure (HTTPS)?: Yes. snl.no uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 6, 2026.
Who hosts snl.no?: Hosting provider information for snl.no is not available yet.
What is snl.no's SEO score?: snl.no scored 90/100 for SEO in the latest analysis (excellent).
What is snl.no's overall website score?: snl.no has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
Has snl.no's score changed over time?: snl.no's overall score has declined by 3 points (from 93 to 90) since Jul 26, 2026.

Top issues to fix

Score history

Organization

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions