regeneron.com
Regeneron | Pushing the Bounds of Science
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Excellent
Summary
Discover how Regeneron (NASDAQ: REGN) harmonizes biology and technology to create life-changing medicines. This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (90/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: No H1 heading found.
Discover how Regeneron (NASDAQ: REGN) harmonizes biology and technology to create life-changing medicines. Join our team and explore clinical trials.
- United States
- Hosted on Cloudflare
Top issues to fix
2 issues found · 1 high priority
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.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
1.16 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Discover how Regeneron (NASDAQ: REGN) harmonizes biology and technology to create life-changing medicines. Join our team and explore clinical trials.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Regeneron | Pushing the Bounds of Science
- Description
- Discover how Regeneron (NASDAQ: REGN) harmonizes biology and technology to create life-changing medicines. Join our team and explore clinical trials.
- Canonical
- https://www.regeneron.com/
- Language
- en
- Charset
- Viewport
- width=device-width
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.8.82
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Sectigo Limited
- Subject
- regeneron.com
- Valid from
- Mar 27, 2026
- Valid to
- Oct 11, 2026
- Days until expiry
- 74
- SAN domains
- regeneron.com, www.regeneron.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 10 · H3 1
Links
47 internal · 31 external · 1 broken
Images
30 total · 6 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
659 B · 0 B
Page size
78.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 66
- sitemap.xml
- Found
- URLs in sitemap
- 187
SEO issues
- No H1 heading found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://regeneron.com
- Final URL
- https://www.regeneron.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.16 s
- HTML size
- 78.0 KB
- Redirect chain
- https://regeneron.com → https://www.regeneron.com/
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Frequently asked questions
- What technology does regeneron.com use?
- regeneron.com is built with jQuery.
- Is regeneron.com secure (HTTPS)?
- Yes. regeneron.com uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Oct 11, 2026.
- Who hosts regeneron.com?
- regeneron.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is regeneron.com's SEO score?
- regeneron.com scored 90/100 for SEO in the latest analysis (excellent).
- What is regeneron.com's overall website score?
- regeneron.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card