merck.com
Merck | Home
Last scanned Jul 25, 2026, 8:25 AM · 2 views
Overall score
Excellent
Summary
At Merck, we're following the science to tackle some of the world's greatest health threats. This website uses WordPress hosted on AUTOMATTIC - Automattic, Inc, US. 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.
At Merck, we're following the science to tackle some of the world's greatest health threats. Get a glimpse of how we work to improve lives.
- United States
- Hosted on AUTOMATTIC - Automattic, Inc, US
Top issues to fix
1 issue 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.
SEO
1 issue(s) found
Performance
1.28 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
At Merck, we're following the science to tackle some of the world's greatest health threats. Get a glimpse of how we work to improve lives.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Merck | Home
- Description
- At Merck, we're following the science to tackle some of the world's greatest health threats. Get a glimpse of how we work to improve lives.
- Canonical
- https://www.merck.com/
- Language
- en-US
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1, minimum-scale=1
- Robots meta
- index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
- Manifest
- https://www.merck.com/wp-content/themes/cex-wpvip-mhh-mhh2-mcc-theme/images/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AUTOMATTIC - Automattic, Inc, US
- CDN provider
- —
- IP address
- 192.0.66.119
- ASN
- AS2635 (AUTOMATTIC - Automattic, Inc, US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- merck.com
- Valid from
- Jun 27, 2026
- Valid to
- Sep 25, 2026
- Days until expiry
- 62
- SAN domains
- merck.com, www.merck.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 3 · H3 10
Links
66 internal · 24 external · 0 broken
Images
26 total · 0 missing alt
Scripts / Styles
20 scripts · 14 stylesheets
JS / CSS size
89.4 KB · 275 KB
Page size
125 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- No H1 heading found
Accessibility issues
- No H1 heading found
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://merck.com
- Final URL
- https://www.merck.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.28 s
- HTML size
- 125 KB
- Redirect chain
- https://merck.com → https://www.merck.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does merck.com use?
- merck.com is built with WordPress, Nginx.
- Is merck.com secure (HTTPS)?
- Yes. merck.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 25, 2026.
- Who hosts merck.com?
- merck.com is hosted on AUTOMATTIC - Automattic, Inc, US.
- What is merck.com's SEO score?
- merck.com scored 90/100 for SEO in the latest analysis (excellent).
- What is merck.com's overall website score?
- merck.com has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Is merck.com hiring?
- merck.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card