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zoll.com

https://zoll.com· First analyzed 29 Apr 2026· Updated 29 Apr 2026
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zoll.com
Desktop screenshot of zoll.com
Mobile screenshot of zoll.com
Mobile

Sponsored

Hosting Provider

Cloudflare
cloudflare.com

IP Address

104.18.30.108

Site Location

🇨🇦 Canadavia ip

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ns4-04.azure-dns.info.ns1-04.azure-dns.com.ns2-04.azure-dns.net.ns3-04.azure-dns.org.

Performance

93

Core Web Vitals

Weight

First Contentful Paint
1.3 s10%
Speed Index
1.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
7.7 MB
66 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
HubSpot CMS

Technology Stack

19 Technologies Detected

Analytics

4
Google Analytics
Google Analytics 4
Facebook Pixel
Hotjar

Advertising

4
Google AdsTwitter AdsTikTok PixelMicrosoft Advertising

CSS Frameworks

2
Bootstrap
Tailwind CSS

Icon Libraries

2
Font AwesomeMaterial Icons

Fonts

2
Google FontsAdobe Fonts (Typekit)

Libraries

1
jQuery UI

Tag Managers

1
Google Tag Manager

Marketing

1
HubSpot

Social

1
AddThis

CDN

1
Cloudflare

SEO Analysis

C60/100
17
9
1
Meta Tags4/15
Content12/12
Headings6/8
Technical18/25
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile3/4
Indexability3/3
Z
zoll.comzoll.com

ZOLL Medical

No description available for this page.

Title Length12 chars

Recommended: 50-60 chars (~75px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing meta description — important for click-through rates in SERPs

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

273 URLs

robots.txt

13 rules

Local SEO

Local Search Readiness

17/100
Poor
6 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

F35/100
Bot Access
20/25
Machine Read.
8/25
Schema Data
0/25
Citation
7/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
nav
Text ratio:9%
Words:4,052
Token eff.:Good
Sections/1K:3.7
Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary79w
Descriptive Headingsavg 2.2w
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
C
65/100
10
Passed
6
Critical
4
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
12/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
7/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
7/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
5 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
26/100
F
792 mg
CO₂e / view
7.7 MB
Page Weight
5%
Cleaner Than
New Visitor
906 mg
vs
Returning (cached)
453 mg
Annual (10K/mo)
95.1 kg
Emission Segments
Data Center
39 mg
Network
233 mg
Device
521 mg
Resource Breakdown
JavaScript
477.5 KB
Images
1.6 MB
CSS
5.6 MB
Fonts
638 B
HTML
26.7 KB
Green Hosting Verified
Cloudflare
GWF Verified
7 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
A+

Security Score

91%Excellent
Interactive

HTTPS

WAF

69d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Google Trust Services

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-256

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

08.04.2026

Valid Until

07.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.zoll.com

SHA-256 Fingerprint

10:CF:D4:E3:F1:16:32:66:DA:5D:E3:2E:39:40:2D:26:F5:5C:00:71...

Upgrade to view header details

HTTP Headers

Developer Console

accept-ch
Sec-CH-UA-Full-Version-List,Sec-CH-UA-Platform-Version,Sec-C...
cache-control
🔴 No Cache(no-cache, no-store)
cf-cache-status
DYNAMIC
cf-ray🇮🇹 Milan
9f407dee18dc707a-MXP
content-encoding
📦 Gzip(gzip)
content-security-policy
upgrade-insecure-requests
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

95

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (4)

mx0a-00506a01.pphosted.com
mxa-00506a01.gslb.pphosted.com
mxb-00506a01.gslb.pphosted.com
mx0b-00506a01.pphosted.com

Domain Information

zoll.com

Domain Age
31y 3m

Created

19.01.1995

Expires

20.01.2027

Last Updated

26.04.2022

Registrar

CSC Corporate Domains, Inc.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Privacy policy page linked

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
C
62/100
Mobile Friendly2 breakpoints
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1.0
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Soleil

WCAG Partial
66/100
Readability
/30
24/30

16px · LH 1.63

Hierarchy
/20
15/20

3.2x ratio

WCAG
/25
12/25

3.53:1 min contrast

Performance
/25
15/25

1 font · 3 req

Heading Font

Soleil

Sans51px

Body Font

Soleil

Sans16px

Contrast Ratio

3.53:1

1 issue

Reading Comfort

~42 CPL

Narrow lines
51px
h1
64px
h2
32px
h3
27px
h4
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 3.5:1).

❌ Broken heading hierarchy: 2 level skip(s). Screen readers rely on sequential headings (h1→h2→h3).

✅ Strong hierarchy: Headlines are 3.2x larger than body text.

❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

✅ Lean font stack: 1 font families keeps load times fast.

GGoogle FontsBuy on MyFonts

Color Palette

8 unique colors
2.08:1 Fail Light
#ffffff
Background· 46%
#afb5b7
Other· 5.4%
#000008
Primary· 25.2%
#1e367d
Accent· 6.7%
#5b798e
Secondary· 4.7%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

1

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

Ad Networks

Google AdSense

Sponsored

Scripts & Styles

17 Resources

14
Scripts
3
Styles
11
Async
0
Defer

Top Script Sources

googletagmanager.com(4)https:(4)acsbapp.com(2)local(2)privacy.zoll.com(1)

Website Identity

zoll.com

31 years old
Location detected: 🇨🇦 Canadavia ip
CSC Corporate Domains, Inc.

Sponsored

Last analyzed: 29 Apr 2026 at 18:50

Historical Analysis & Change Tracking