xeno-canto.org
xeno-canto :: Sharing wildlife sounds from around the world
Last scanned Jul 26, 2026, 11:49 AM
Overall score
Fair
Summary
This website uses Nginx hosted on SURFNET-NL - SURF B.V., NL. SEO is fair (60/100) and accessibility is fair (55/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- Netherlands
- Hosted on SURFNET-NL - SURF B.V., NL
Top issues to fix
11 issues found · 4 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
358 ms
Security
HTTPS & header checks
Accessibility
3 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
- xeno-canto :: Sharing wildlife sounds from around the world
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- Robots meta
- index,follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- SURFNET-NL - SURF B.V., NL
- CDN provider
- —
- IP address
- 145.136.250.151
- ASN
- AS1103 (SURFNET-NL - SURF B.V., NL)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- xeno-canto.org
- Valid from
- Jul 1, 2026
- Valid to
- Sep 29, 2026
- Days until expiry
- 62
- SAN domains
- www.xeno-canto.org, xeno-canto.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 12 · H2 2 · H3 0
Links
130 internal · 11 external · 0 broken
Images
43 total · 41 missing alt
Scripts / Styles
17 scripts · 5 stylesheets
JS / CSS size
250 KB · 67.4 KB
Page size
46.3 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 16
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://xeno-canto.org
- Final URL
- https://xeno-canto.org
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 358 ms
- HTML size
- 46.3 KB
- Redirect chain
- https://xeno-canto.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does xeno-canto.org use?
- xeno-canto.org is built with PHP, jQuery, Google Analytics, Nginx.
- Is xeno-canto.org secure (HTTPS)?
- Yes. xeno-canto.org uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 29, 2026.
- Who hosts xeno-canto.org?
- xeno-canto.org is hosted on SURFNET-NL - SURF B.V., NL.
- What is xeno-canto.org's SEO score?
- xeno-canto.org scored 60/100 for SEO in the latest analysis (fair).
- What is xeno-canto.org's overall website score?
- xeno-canto.org has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card