xenbase.org
Xenbase Home
Last scanned Jul 27, 2026, 1:43 PM · 1 view
Overall score
Fair
Summary
Xenbase: The Xenopus Model Organism Knowledgebase. This website uses Apache hosted on U-CALGARY - University of Calgary, CA. SEO is good (85/100) 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.
- Canada
- Hosted on U-CALGARY - University of Calgary, CA
Top issues to fix
8 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.
Missing html lang attribute
AccessibilitySet <html lang="…"> so screen readers pick the right pronunciation rules.
+2 more issues — details in the sections below.
SEO
2 issue(s) found
Performance
3.43 s
Security
HTTPS & header checks
Accessibility
2 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
- 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
- U-CALGARY - University of Calgary, CA
- CDN provider
- —
- IP address
- 136.159.155.149
- ASN
- AS33091 (U-CALGARY - University of Calgary, CA)
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
- 121
- 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 10 · H2 1 · H3 0
Links
131 internal · 50 external · 2 broken
Images
56 total · 52 missing alt
Scripts / Styles
56 scripts · 12 stylesheets
JS / CSS size
278 KB · 143 KB
Page size
139 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Multiple H1 headings found
- No structured data (JSON-LD) 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
- 3.43 s
- HTML size
- 139 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?
- xenbase.org is hosted on U-CALGARY - University of Calgary, CA.
- What is xenbase.org's SEO score?
- xenbase.org scored 85/100 for SEO in the latest analysis (great).
- What is xenbase.org's overall website score?
- xenbase.org has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card