dupixent.com
Take Action With DUPIXENT® (dupilumab)
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
Learn more about DUPIXENT® (dupilumab), a prescription medicine FDA-approved to treat nine conditions. This website uses Nginx hosted on AWS behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Learn more about DUPIXENT® (dupilumab), a prescription medicine FDA-approved to treat nine conditions. See if DUPIXENT® may be right for you? Serious side effects can occur. Please see Important Safety Information and Prescribing Information and Patient Information on website.
- United States
- Hosted on AWS
Top issues to fix
5 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.
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.
2 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
SEO
3 issue(s) found
Performance
843 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Learn more about DUPIXENT® (dupilumab), a prescription medicine FDA-approved to treat nine conditions. See if DUPIXENT® may be right for you? Serious side effects can occur. Please see Important Safety Information and Prescribing Information and Patient Information on website.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Take Action With DUPIXENT® (dupilumab)
- Description
- Learn more about DUPIXENT® (dupilumab), a prescription medicine FDA-approved to treat nine conditions. See if DUPIXENT® may be right for you? Serious side effects can occur. Please see Important Safety Information and Prescribing Information and Patient Information on website.
- Canonical
- https://www.dupixent.com/
- Language
- en-US
- 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
- CloudFront
- IP address
- 18.172.78.126
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Amazon
- Subject
- www.dupixent.com
- Valid from
- Apr 6, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 56
- SAN domains
- www.dupixent.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 0 · H2 14 · H3 14
Links
22 internal · 37 external · 0 broken
Images
10 total · 0 missing alt
Scripts / Styles
19 scripts · 1 stylesheets
JS / CSS size
110 KB · 136 KB
Page size
132 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 203
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- Missing OpenGraph tags
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://dupixent.com
- Final URL
- https://www.dupixent.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 841 ms
- HTML size
- 132 KB
- Redirect chain
- https://dupixent.com → https://www.dupixent.com/
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Frequently asked questions
- What technology does dupixent.com use?
- dupixent.com is built with Drupal, jQuery, Nginx.
- Is dupixent.com secure (HTTPS)?
- Yes. dupixent.com uses TLS 1.3 with a certificate issued by Amazon, valid until Oct 20, 2026.
- Who hosts dupixent.com?
- dupixent.com is hosted on AWS, behind CloudFront CDN.
- What is dupixent.com's SEO score?
- dupixent.com scored 80/100 for SEO in the latest analysis (great).
- What is dupixent.com's overall website score?
- dupixent.com has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card