What technology does fsfe.org use?

fsfe.org is built with jQuery, Apache.

Is fsfe.org secure (HTTPS)?

Yes. fsfe.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Aug 24, 2026.

fsfe.org is hosted on PLUTEX - PLUTEX GmbH, DE.

What is fsfe.org's SEO score?

fsfe.org scored 80/100 for SEO in the latest analysis (great).

What is fsfe.org's overall website score?

fsfe.org has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

fsfe.org has a careers page; check it directly for current openings.

fsfe.org

FSFE - Free Software Foundation Europe

Last scanned Jul 26, 2026, 5:47 AM

Overall score

Excellent

Summary

Non profit organisation working to create general understanding and support for software freedom. This website uses Apache hosted on PLUTEX - PLUTEX GmbH, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.

Non profit organisation working to create general understanding and support for software freedom. Includes news, events, and campaigns.

Germany

Hosted on PLUTEX - PLUTEX GmbH, DE

Top issues to fix

6 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 29 days
Security
Renew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

SEO

3 issue(s) found

100

Performance

130 ms

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.

Non profit organisation working to create general understanding and support for software freedom. Includes news, events, and campaigns.

Contact

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

Email: fsfe@mastodon.social

Meta tags

Title: FSFE - Free Software Foundation Europe
Description: Non profit organisation working to create general understanding and support for software freedom. Includes news, events, and campaigns.
Canonical
Language: en
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0"
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

jQuery Apache

Hosting & CDN

Hosting provider: PLUTEX - PLUTEX GmbH, DE
CDN provider: —
IP address: 31.24.147.87
ASN: AS49855 (PLUTEX - PLUTEX GmbH, DE)

DNS records

Type	Value
A	31.24.147.87 213.95.165.54
AAAA	2001:780:215:1::54 2a02:16d0:1004:5a00:f5f3::87
MX	mail2.fsfe.org mail3.fsfe.org
TXT	v=spf1 mx ip4:217.69.89.128/26 ip4:188.172.205.112/28 ip4:213.95.165.48/28 ip4:31.24.147.80/28 ip4:142.132.236.94/32 ip6:2001:aa8:ffed::/48 ip6:2a00:11c0:d:1::/64 ip6:2001:780:215:1::/64 ip6:2a02:16d0:1004:5a00::/56 ip6:2a01:4f8:c17:f631::1/128 -all
NS	geoffroy.fsfeurope.org tennant.fsfeurope.org
CAA	0 issuewild "letsencrypt.org" 0 iodef "mailto:admin@fsfe.org" 0 issue "letsencrypt.org"
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: fsfe.org
Valid from: May 26, 2026
Valid to: Aug 24, 2026
Days until expiry: 29
SAN domains: fsfe.org, fsfeurope.org, www.fsfe.org, www.fsfeurope.org

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 6

Links

44 internal · 7 external · 0 broken

Images

12 total · 0 missing alt

Scripts / Styles

3 scripts · 2 stylesheets

JS / CSS size

101 KB · 272 KB

Page size

18.4 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 2
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Missing canonical link
No structured data (JSON-LD) found
sitemap.xml not found

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL: https://fsfe.org
Final URL: https://fsfe.org
HTTP status: 200
HTTP version: HTTP/2
Response time: 130 ms
HTML size: 18.4 KB
Redirect chain: https://fsfe.org

See something wrong on this report? Request a correction

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