yeastgenome.org
Saccharomyces Genome Database | SGD
Last scanned Aug 24, 2026, 1:22 PM · 1 view
Overall score
Fair
Summary
The Saccharomyces Genome Database (SGD) provides comprehensive integrated biological information for the budding yeast Saccharomyces cerevisiae. This website uses Google Analytics hosted on AWS. SEO is fair (65/100) and accessibility is fair (60/100). Security scores fair (65/100) and performance good (85/100). Top issue: Missing canonical link.
The Saccharomyces Genome Database (SGD) provides comprehensive integrated biological information for the budding yeast Saccharomyces cerevisiae.
- United States
- Hosted on AWS
Top issues to fix
13 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 X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+7 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
254 ms
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
- Saccharomyces Genome Database | SGD
- Description
- The Saccharomyces Genome Database (SGD) provides comprehensive integrated biological information for the budding yeast Saccharomyces cerevisiae.
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- —
- IP address
- 32.188.46.11
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- Amazon
- Subject
- *.yeastgenome.org
- Valid from
- Jan 14, 2026
- Valid to
- Feb 12, 2027
- Days until expiry
- 171
- SAN domains
- *.yeastgenome.org, yeastgenome.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 0 cookie(s) observed
Content & assets
Headings
H1 3 · H2 2 · H3 0
Links
32 internal · 76 external · 12 broken
Images
27 total · 16 missing alt
Scripts / Styles
10 scripts · 3 stylesheets
JS / CSS size
2.0 MB · 185 KB
Page size
118 B
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- 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://yeastgenome.org
- Final URL
- https://yeastgenome.org
- HTTP status
- 403
- HTTP version
- HTTP/2
- Response time
- 254 ms
- HTML size
- 118 B
- Redirect chain
- https://yeastgenome.org
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does yeastgenome.org use?
- yeastgenome.org is built with jQuery, Google Analytics.
- Is yeastgenome.org secure (HTTPS)?
- Yes. yeastgenome.org uses TLS 1.2 with a certificate issued by Amazon, valid until Feb 12, 2027.
- Who hosts yeastgenome.org?
- yeastgenome.org is hosted on AWS.
- What is yeastgenome.org's SEO score?
- yeastgenome.org scored 65/100 for SEO in the latest analysis (fair).
- What is yeastgenome.org's overall website score?
- yeastgenome.org has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card