What technology does sanofi.com use?

We did not detect any specific technologies for sanofi.com in the latest scan.

Is sanofi.com secure (HTTPS)?

Yes. sanofi.com uses TLS 1.3 with a certificate issued by Amazon, valid until Mar 15, 2027.

Who hosts sanofi.com?

Hosting provider information for sanofi.com is not available yet.

What is sanofi.com's SEO score?

sanofi.com scored 80/100 for SEO in the latest analysis (great).

What is sanofi.com's overall website score?

sanofi.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.

Has sanofi.com's score changed over time?

sanofi.com's overall score has declined by 5 points (from 97 to 92) since Jul 25, 2026.

sanofi.com

R&D-Driven and AI-Powered Biopharmaceutical Company | Sanofi

Last scanned Aug 1, 2026, 8:00 PM · 7 views

Overall score

Excellent

Summary

Sanofi is a research & development-driven, AI-powered healthcare biopharmaceutical company committed to improving lives through innovative medicines & vaccines. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.

Sanofi is a research & development-driven, AI-powered healthcare biopharmaceutical company committed to improving lives through innovative medicines & vaccines.

Top issues to fix

4 issues found

No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

SEO

3 issue(s) found

Performance

1.67 s

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-5 overall since Jul 25, 2026

Overall: 92
SEO: 80
Security: 100
Performance: 90
Accessibility: 100

Organization

Company details published in this site's own structured data.

Sanofi is a research & development-driven, AI-powered healthcare biopharmaceutical company committed to improving lives through innovative medicines & vaccines.

LinkedIn X (Twitter)Instagram Facebook YouTube

Meta tags

Title: R&D-Driven and AI-Powered Biopharmaceutical Company | Sanofi
Description: Sanofi is a research & development-driven, AI-powered healthcare biopharmaceutical company committed to improving lives through innovative medicines & vaccines.
Canonical: https://www.sanofi.com/en
Language: en
Charset: utf-8
Viewport: width=device-width,initial-scale=1
Robots meta
Manifest: https://www.sanofi.com/icons/manifest.webmanifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: CloudFront
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: www.sanofi.com
Valid from: Feb 14, 2026
Valid to: Mar 15, 2027
Days until expiry: 226
SAN domains: www.sanofi.com, dotcom.prod.accelerator.sanofi

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 1 · H2 8 · H3 13

Links

103 internal · 10 external · 20 broken

Images

13 total · 0 missing alt

Scripts / Styles

7 scripts · 1 stylesheets

JS / CSS size

62.2 KB · 87.5 KB

Page size

261 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sanofi.com
Final URL: https://www.sanofi.com/en
HTTP status: 200
HTTP version: HTTP/2
Response time: 1.67 s
HTML size: 261 KB
Redirect chain: https://sanofi.com → https://www.sanofi.com/ → https://www.sanofi.com/en

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Frequently asked questions

What technology does sanofi.com use?: We did not detect any specific technologies for sanofi.com in the latest scan.
Is sanofi.com secure (HTTPS)?: Yes. sanofi.com uses TLS 1.3 with a certificate issued by Amazon, valid until Mar 15, 2027.
Who hosts sanofi.com?: Hosting provider information for sanofi.com is not available yet.
What is sanofi.com's SEO score?: sanofi.com scored 80/100 for SEO in the latest analysis (great).
What is sanofi.com's overall website score?: sanofi.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
Has sanofi.com's score changed over time?: sanofi.com's overall score has declined by 5 points (from 97 to 92) since Jul 25, 2026.