opensource.org
Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Great
Top issues to fix
7 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+1 more issue — details in the sections below.
Summary
This website uses WordPress hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
SEO
3 issue(s) found
Performance
26 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
- Description
- Canonical
- https://opensource.org/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.20.30.15
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- opensource.org
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 64
- SAN domains
- opensource.org, *.opensource.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 16 · H3 1
Links
30 internal · 12 external · 2 broken
Images
40 total · 0 missing alt
Scripts / Styles
57 scripts · 25 stylesheets
JS / CSS size
180 KB · 127 KB
Page size
203 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Missing meta description
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Careers
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://opensource.org
- Final URL
- https://opensource.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 22 ms
- HTML size
- 203 KB
- Redirect chain
- https://opensource.org
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Frequently asked questions
- What technology does opensource.org use?
- opensource.org is built with WordPress, jQuery.
- Is opensource.org secure (HTTPS)?
- Yes. opensource.org uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 21, 2026.
- Who hosts opensource.org?
- opensource.org is hosted on Cloudflare, behind Cloudflare CDN.
- What is opensource.org's SEO score?
- opensource.org scored 75/100 for SEO in the latest analysis (fair).
- What is opensource.org's overall website score?
- opensource.org has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
- Is opensource.org hiring?
- opensource.org has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card