zoll.com
ZOLL Medical | ZOLL Medical
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
This website uses jQuery hosted on Cloudflare behind Cloudflare CDN. SEO is fair (65/100) and accessibility is fair (65/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing meta description.
- United States
- Hosted on Cloudflare
Top issues to fix
7 issues found · 2 high priority
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
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.
5 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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
+1 more issue — details in the sections below.
SEO
4 issue(s) found
Performance
1.54 s
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- ZOLL Medical | ZOLL Medical
- Description
- Canonical
- https://www.zoll.com/en-us
- Language
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.1.221
- 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
- Google Trust Services
- Subject
- www.zoll.com
- Valid from
- Jun 7, 2026
- Valid to
- Sep 5, 2026
- Days until expiry
- 40
- SAN domains
- www.zoll.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 6 cookie(s) observed
Content & assets
Headings
H1 0 · H2 10 · H3 41
Links
123 internal · 36 external · 0 broken
Images
16 total · 8 missing alt
Scripts / Styles
9 scripts · 3 stylesheets
JS / CSS size
335 KB · 866 B
Page size
199 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 12
- sitemap.xml
- Found
- URLs in sitemap
- 273
SEO issues
- Missing meta description
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
Accessibility issues
- More than 20% of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
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://zoll.com
- Final URL
- https://www.zoll.com/en-us
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.53 s
- HTML size
- 199 KB
- Redirect chain
- https://zoll.com → https://www.zoll.com/ → https://www.zoll.com/en-us
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Frequently asked questions
- What technology does zoll.com use?
- zoll.com is built with jQuery.
- Is zoll.com secure (HTTPS)?
- Yes. zoll.com uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 5, 2026.
- Who hosts zoll.com?
- zoll.com is hosted on Cloudflare, behind Cloudflare CDN.
- What is zoll.com's SEO score?
- zoll.com scored 65/100 for SEO in the latest analysis (fair).
- What is zoll.com's overall website score?
- zoll.com has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Is zoll.com hiring?
- zoll.com has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card