xenbase.org
Xenbase Home
Last scanned Aug 4, 2026, 9:00 PM · 8 views
Overall score
Fair
Summary
Xenbase: The Xenopus Model Organism Knowledgebase. This website uses Apache. SEO is good (75/100) and accessibility is fair (60/100). Security scores good (80/100) and performance good (80/100). Top issue: Multiple H1 headings found.
Xenbase: The Xenopus Model Organism Knowledgebase.
Top issues to fix
10 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.
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-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+4 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
3.70 s
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
-3 overall since Jul 27, 2026
- Overall
- 75
- SEO
- 75
- Security
- 80
- Performance
- 80
- Accessibility
- 60
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- Xenbase Home
- Description
- Xenbase: The Xenopus Model Organism Knowledgebase.
- Canonical
- https://xenbase.org/xenbase/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Entrust Limited
- Subject
- xenbase.org
- Valid from
- May 11, 2026
- Valid to
- Nov 25, 2026
- Days until expiry
- 113
- SAN domains
- xenbase.org, bigfrog.xenbase.org, bigfrog2.xenbase.org, bigfrog3.xenbase.org, bigfrog4.xenbase.org, bio1.xenbase.org, bio2.xenbase.org, blast1.echinobase.org, blast1.xenbase.org, cbrmed.ucalgary.ca, download.echinobase.org, download.xenbase.org, echinobase.org, ftp.echinobase.org, ftp.xenbase.org, jbrowse.echinobase.org, jbrowse.xenbase.org, test.echinobase.org, test.xenbase.org, test.xenopusnxr.com, test.xenopusnxr.org, tools.echinobase.org, tools.xenbase.org, turbofrog.ucalgary.ca, wiki.echinobase.org, wiki.xenbase.org, www.echinobase.org, www.xenbase.org, www.xenopusnxr.com, www.xenopusnxr.org, xenbase-bigfrog2.ucalgary.ca, xenbase-bigfrog3.ucalgary.ca, xenbase-bigfrog4.ucalgary.ca, xenbase-bio1.ucalgary.ca, xenbase-bio2.ucalgary.ca, xenbase-ftp.ucalgary.ca, xenbase-jbrowse.ucalgary.ca, xenbase-test.ucalgary.ca, xenbase-wiki.ucalgary.ca, xenbase-www.ucalgary.ca, xenopusnxr.com, xenopusnxr.org, zft3.xenbase.org
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 13 · H2 1 · H3 0
Links
134 internal · 53 external · 20 broken
Images
59 total · 55 missing alt
Scripts / Styles
56 scripts · 12 stylesheets
JS / CSS size
18.7 KB · 26.4 KB
Page size
142 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://xenbase.org
- Final URL
- https://xenbase.org/xenbase/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 3.69 s
- HTML size
- 142 KB
- Redirect chain
- https://xenbase.org → https://xenbase.org/xenbase → https://xenbase.org/xenbase/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does xenbase.org use?
- xenbase.org is built with Bootstrap, jQuery, Google Analytics, Apache.
- Is xenbase.org secure (HTTPS)?
- Yes. xenbase.org uses TLS 1.2 with a certificate issued by Entrust Limited, valid until Nov 25, 2026.
- Who hosts xenbase.org?
- Hosting provider information for xenbase.org is not available yet.
- What is xenbase.org's SEO score?
- xenbase.org scored 75/100 for SEO in the latest analysis (fair).
- What is xenbase.org's overall website score?
- xenbase.org has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.
- Has xenbase.org's score changed over time?
- xenbase.org's overall score has declined by 3 points (from 78 to 75) since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card