ensembl.org
Ensembl genome browser 116
Last scanned Jul 25, 2026, 6:25 AM · 2 views
Overall score
Great
Summary
This website uses Apache hosted on JANET - Jisc Services Limited, GB. SEO is fair (70/100) and accessibility is good (75/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing meta description.
- United Kingdom
- Hosted on JANET - Jisc Services Limited, GB
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 meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
4 cookies 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.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
538 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.
- helpdesk@ensembl.org
Meta tags
- Title
- Ensembl genome browser 116
- Description
- Canonical
- Language
- en-gb
- Charset
- Viewport
- target-densitydpi=device-dpi, width=device-width, initial-scale=1.0, maximum-scale=2.0, user-scalable=yes
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- JANET - Jisc Services Limited, GB
- CDN provider
- —
- IP address
- 193.62.193.83
- ASN
- AS786 (JANET - Jisc Services Limited, GB)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- GoDaddy.com, Inc.
- Subject
- *.ensembl.org
- Valid from
- May 2, 2026
- Valid to
- Nov 16, 2026
- Days until expiry
- 114
- SAN domains
- *.ensembl.org, ensembl.org
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 4 cookie(s) observed
Content & assets
Headings
H1 0 · H2 7 · H3 8
Links
39 internal · 18 external · 1 broken
Images
27 total · 7 missing alt
Scripts / Styles
3 scripts · 2 stylesheets
JS / CSS size
992 KB · 236 KB
Page size
227 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 143
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- Missing OpenGraph tags
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
Scan details
- Requested URL
- https://ensembl.org
- Final URL
- https://www.ensembl.org/index.html
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 534 ms
- HTML size
- 227 KB
- Redirect chain
- https://ensembl.org → https://www.ensembl.org/ → https://www.ensembl.org/index.html
See something wrong on this report? Request a correction
Related websites
Same technology stack
lucerna-chem.ch
Lucerna-Chem AG
rebounce.ai
rebounce.ai | AI-based Bounce Management for E-Commerce
dgb.de
Deutscher Gewerkschaftsbund | DGB
ebi.ac.uk
EMBL-EBI homepage | EMBL-EBI
uwplatt.edu
University of Wisconsin-Platteville | College in Wisconsin
voicemod.net
Free Real Time Voice Changer for PC & Mac | Voicemod
Same hosting provider
ebi.ac.uk
EMBL-EBI homepage | EMBL-EBI
uwe.ac.uk
University of the West of England Bristol
shef.ac.uk
Home | The University of Sheffield
surrey.ac.uk
University of Surrey
sheffield.ac.uk
Home | The University of Sheffield
le.ac.uk
A Leading UK University | University of Leicester
Frequently asked questions
- What technology does ensembl.org use?
- ensembl.org is built with Apache.
- Is ensembl.org secure (HTTPS)?
- Yes. ensembl.org uses TLS 1.3 with a certificate issued by GoDaddy.com, Inc., valid until Nov 16, 2026.
- Who hosts ensembl.org?
- ensembl.org is hosted on JANET - Jisc Services Limited, GB.
- What is ensembl.org's SEO score?
- ensembl.org scored 70/100 for SEO in the latest analysis (fair).
- What is ensembl.org's overall website score?
- ensembl.org has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card