What technology does runeberg.org use?

runeberg.org is built with Apache.

Is runeberg.org secure (HTTPS)?

Yes. runeberg.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 14, 2026.

Who hosts runeberg.org?

runeberg.org is hosted on LIUnet - LIUnet, SE.

What is runeberg.org's SEO score?

runeberg.org scored 55/100 for SEO in the latest analysis (fair).

What is runeberg.org's overall website score?

runeberg.org has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.

runeberg.org

Project Runeberg

Last scanned Jul 26, 2026, 4:17 PM · 1 view

Overall score

Fair

Summary

This website uses Apache hosted on LIUnet - LIUnet, SE. SEO is fair (55/100) and accessibility is good (75/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.

Sweden

Hosted on LIUnet - LIUnet, SE

Top issues to fix

12 issues found · 5 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.
Missing meta description
SEO
Add a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
Missing viewport meta tag
Accessibility
Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

+6 more issues — details in the sections below.

SEO

6 issue(s) found

100

Performance

259 ms

Security

HTTPS & header checks

Accessibility

3 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.

Facebook X (Twitter)

Contact

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

Email: editors@runeberg.org redaktion@runeberg.org

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: LIUnet - LIUnet, SE
CDN provider: —
IP address: 130.236.254.233
ASN: AS2843 (LIUnet - LIUnet, SE)

DNS records

Type	Value
A	130.236.254.233
AAAA	2001:6b0:17:f0a0::e9
MX	mail2.loopia.se mailcluster.loopia.se
TXT	v=spf1 include:spf.loopia.se -all
NS	ns1.loopia.se ns2.loopia.se
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: runeberg.org
Valid from: Jul 16, 2026
Valid to: Oct 14, 2026
Days until expiry: 77
SAN domains: runeberg.org, www.runeberg.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 18 · H3 29

Links

102 internal · 7 external · 0 broken

Images

21 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 560 B

Page size

35.5 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 15
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing meta description
Missing canonical link
No H1 heading found
No structured data (JSON-LD) found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://runeberg.org
Final URL: https://runeberg.org
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 259 ms
HTML size: 35.5 KB
Redirect chain: https://runeberg.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does runeberg.org use?: runeberg.org is built with Apache.
Is runeberg.org secure (HTTPS)?: Yes. runeberg.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 14, 2026.
Who hosts runeberg.org?: runeberg.org is hosted on LIUnet - LIUnet, SE.
What is runeberg.org's SEO score?: runeberg.org scored 55/100 for SEO in the latest analysis (fair).
What is runeberg.org's overall website score?: runeberg.org has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.