alivecor.com
AliveCor | AliveCor Home
Last scanned Jul 26, 2026, 5:47 AM
Overall score
Great
Summary
The easiest way to acquire a 12-lead ECG. This website uses Next.js behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
The easiest way to acquire a 12-lead ECG.
Top issues to fix
8 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie 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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
385 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
The easiest way to acquire a 12-lead ECG.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- AliveCor | AliveCor Home
- Description
- The easiest way to acquire a 12-lead ECG.
- Canonical
- https://alivecor.com
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
Technologies
Detected frameworks, languages, and tools.
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.alivecor.com
- Valid from
- Jul 3, 2026
- Valid to
- Jan 16, 2027
- Days until expiry
- 172
- SAN domains
- www.alivecor.com, alivecor.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 4 · H3 0
Links
30 internal · 17 external · 8 broken
Images
24 total · 1 missing alt
Scripts / Styles
49 scripts · 2 stylesheets
JS / CSS size
227 KB · 1.9 KB
Page size
274 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
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://alivecor.com
- Final URL
- https://alivecor.com
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 380 ms
- HTML size
- 274 KB
- Redirect chain
- https://alivecor.com
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does alivecor.com use?
- alivecor.com is built with Next.js, Meta Pixel.
- Is alivecor.com secure (HTTPS)?
- Yes. alivecor.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 16, 2027.
- Who hosts alivecor.com?
- Hosting provider information for alivecor.com is not available yet.
- What is alivecor.com's SEO score?
- alivecor.com scored 80/100 for SEO in the latest analysis (great).
- What is alivecor.com's overall website score?
- alivecor.com has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card