merck.com
Merck | Home
Last scanned Aug 1, 2026, 9:00 AM · 9 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. SEO is good (80/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). 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.
Top issues to fix
4 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
827 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 92
- SEO
- 80
- Security
- 100
- Performance
- 100
- Accessibility
- 90
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.
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
- —
- CDN provider
- —
- 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
- Let's Encrypt
- Subject
- merck.com
- Valid from
- Jun 27, 2026
- Valid to
- Sep 25, 2026
- Days until expiry
- 55
- 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 · 20 broken
Images
26 total · 0 missing alt
Scripts / Styles
20 scripts · 14 stylesheets
JS / CSS size
25.0 KB · 10.1 KB
Page size
125 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://merck.com
- Final URL
- https://www.merck.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 825 ms
- HTML size
- 125 KB
- Redirect chain
- https://merck.com → https://www.merck.com/
See something wrong on this report? Request a correction
Related websites
Same technology stack
msd.com
MSD | Home
vovici.com
Survey Management Software | Verint
linuxiac.com
Linuxiac - All things Linux & Open Source
cookiereports.com
Digital Control Room • Pharma & Life Sciences
frosmo.com
AI-driven personalization strategies
kwfinder.com
KWFinder: Free Keyword Research & Analysis Tool | Mangools
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?
- Hosting provider information for merck.com is not available yet.
- What is merck.com's SEO score?
- merck.com scored 80/100 for SEO in the latest analysis (great).
- What is merck.com's overall website score?
- merck.com has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has merck.com's score changed over time?
- merck.com's overall score has declined by 1 point (from 93 to 92) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card