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strongswan.org

strongSwan - IPsec VPN for Linux, Android, FreeBSD, macOS, Windows

Last scanned Aug 24, 2026, 1:23 PM

84

Overall score

Great

Summary

strongSwan is an open-source, modular and portable IPsec-based VPN solution. This website uses Apache hosted on INIT7 - Init7 (Switzerland) Ltd., CH. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

strongSwan is an open-source, modular and portable IPsec-based VPN solution

Switzerland
Hosted on INIT7 - Init7 (Switzerland) Ltd., CH

Top issues to fix

7 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.

  • Missing X-Content-Type-Options header

    Security

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

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

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

+1 more issue — details in the sections below.

75

SEO

4 issue(s) found

90

Performance

186 ms

75

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.

strongSwan is an open-source, modular and portable IPsec-based VPN solution

GitHubX (Twitter)Facebook

Contact

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

Source: https://strongswan.org/support.html

Meta tags

Title
strongSwan - IPsec VPN for Linux, Android, FreeBSD, macOS, Windows
Description
strongSwan is an open-source, modular and portable IPsec-based VPN solution
Canonical
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://strongswan.org/site.webmanifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

PHPjQueryApache

Hosting & CDN

CDN provider
—
IP address
109.202.192.36
ASN
AS13030 (INIT7 - Init7 (Switzerland) Ltd., CH)

DNS records

TypeValue
A
  • 109.202.192.36
AAAA
  • 2a02:168:860f:1::36
MX
  • mail.codelabs.ch
TXT
  • v=spf1 a mx ~all
  • google-site-verification=pFYsGHXifqmasGBdCNNgzV4OxVDn2d3Zm0DK9WUYCl0
NS
  • ns3.hostpoint.ch
  • ns.hostpoint.ch
  • ns2.hostpoint.ch
CAA
  • 128 issue "letsencrypt.org"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
www.strongswan.org
Valid from
Jul 5, 2026
Valid to
Oct 3, 2026
Days until expiry
38
SAN domains
download.strongswan.org, git.strongswan.org, lists.strongswan.org, mail.strongswan.org, strongswan.net, strongswan.org, wiki.strongswan.org, www.strongswan.net, www.strongswan.org

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 1 · H3 4

Links

11 internal · 27 external · 0 broken

Images

3 total · 0 missing alt

Scripts / Styles

2 scripts · 4 stylesheets

JS / CSS size

88.1 KB · 302 KB

Page size

13.7 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
3
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Title longer than 60 characters
  • Missing canonical link
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://strongswan.org
Final URL
https://strongswan.org
HTTP status
200
HTTP version
HTTP/1.1
Response time
186 ms
HTML size
13.7 KB
Redirect chain
https://strongswan.org

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does strongswan.org use?
strongswan.org is built with PHP, jQuery, Apache.
Is strongswan.org secure (HTTPS)?
Yes. strongswan.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 3, 2026.
Who hosts strongswan.org?
strongswan.org is hosted on INIT7 - Init7 (Switzerland) Ltd., CH.
What is strongswan.org's SEO score?
strongswan.org scored 75/100 for SEO in the latest analysis (fair).
What is strongswan.org's overall website score?
strongswan.org has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.