opensource.org
Open Source Initiative – The steward of the Open Source Definition, setting the foundation for the Open Source Software ecosystem.
Last scanned Jul 29, 2026, 2:00 PM · 9 views
Overall score
Great
Summary
This website uses WordPress behind Cloudflare CDN. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
Top issues to fix
9 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.
+3 more issues — details in the sections below.
SEO
5 issue(s) found
Performance
31 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-3 overall since Jul 18, 2026
- Overall
- 83
- SEO
- 65
- Security
- 75
- Performance
- 100
- Accessibility
- 100
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
- —
- CDN provider
- Cloudflare
- 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
- Google Trust Services
- Subject
- opensource.org
- Valid from
- Jun 23, 2026
- Valid to
- Sep 21, 2026
- Days until expiry
- 53
- 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 13 · H3 1
Links
30 internal · 11 external · 20 broken
Images
36 total · 0 missing alt
Scripts / Styles
56 scripts · 25 stylesheets
JS / CSS size
20.0 KB · 110 KB
Page size
204 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Missing meta description
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://opensource.org
- Final URL
- https://opensource.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 27 ms
- HTML size
- 204 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?
- Hosting provider information for opensource.org is not available yet.
- What is opensource.org's SEO score?
- opensource.org scored 65/100 for SEO in the latest analysis (fair).
- What is opensource.org's overall website score?
- opensource.org has an overall SiteGraph score of 83/100, combining SEO, performance, security, and accessibility.
- Has opensource.org's score changed over time?
- opensource.org's overall score has declined by 3 points (from 86 to 83) since Jul 18, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card