doxygen.nl
Doxygen homepage
Last scanned Jul 21, 2026, 12:33 PM · 2 views
Overall score
Great
Top issues to fix
9 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
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.
Summary
Source code documentation and analysis tool. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is fair (70/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Missing canonical link.
SEO
4 issue(s) found
Performance
239 ms
Security
HTTPS & header checks
Accessibility
1 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.
- doxygen@gmail.com
Meta tags
- Title
- Doxygen homepage
- Description
- Source code documentation and analysis tool
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.142.203
- 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
- doxygen.nl
- Valid from
- Jul 19, 2026
- Valid to
- Oct 17, 2026
- Days until expiry
- 88
- SAN domains
- doxygen.nl, *.doxygen.nl
Security headers
- Strict-Transport-SecurityMissing
- 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 6 · H3 1
Links
11 internal · 5 external · 1 broken
Images
10 total · 6 missing alt
Scripts / Styles
7 scripts · 3 stylesheets
JS / CSS size
246 KB · 0 B
Page size
14.5 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
Scan details
- Requested URL
- https://doxygen.nl
- Final URL
- https://doxygen.nl
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 239 ms
- HTML size
- 14.5 KB
- Redirect chain
- https://doxygen.nl
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Frequently asked questions
- What technology does doxygen.nl use?
- doxygen.nl is built with Bootstrap, Cloudflare Analytics, Google Ads.
- Is doxygen.nl secure (HTTPS)?
- Yes. doxygen.nl uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 17, 2026.
- Who hosts doxygen.nl?
- doxygen.nl is hosted on Cloudflare, behind Cloudflare CDN.
- What is doxygen.nl's SEO score?
- doxygen.nl scored 75/100 for SEO in the latest analysis (fair).
- What is doxygen.nl's overall website score?
- doxygen.nl has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card