4life.com
4Life – The Immune System Company® | Official Site
Last scanned Jul 26, 2026, 9:46 AM
Overall score
Great
Summary
4Life The Immune System Company<sup>®</sup> Official Site: Leading in immune system science for over 25 years and supporting wellness worldwide. This website uses Google Analytics. SEO is good (80/100) and accessibility is good (75/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: No structured data (JSON-LD) found.
4Life The Immune System Company<sup>®</sup> Official Site: Leading in immune system science for over 25 years and supporting wellness worldwide.
Top issues to fix
7 issues found
3 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.
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.
More than 20% of images are missing alt text
AccessibilityAdd alt attributes to the remaining images (use alt="" for purely decorative ones).
Missing html lang attribute
AccessibilitySet <html lang="…"> so screen readers pick the right pronunciation rules.
+1 more issue — details in the sections below.
SEO
3 issue(s) found
Performance
1.74 s
Security
HTTPS & header checks
Accessibility
2 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.
- compliance@4life.com
Meta tags
- Title
- 4Life – The Immune System Company® | Official Site
- Description
- 4Life The Immune System Company<sup>®</sup> Official Site: Leading in immune system science for over 25 years and supporting wellness worldwide.
- Canonical
- https://www.4life.com/
- Language
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0
- Robots meta
- Manifest
- https://www.4life.com/scripts/shared/manifest.json
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
- www.4life.com
- Valid from
- Jul 11, 2026
- Valid to
- Oct 9, 2026
- Days until expiry
- 73
- SAN domains
- www.4life.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 7 cookie(s) observed
Content & assets
Headings
H1 1 · H2 8 · H3 7
Links
73 internal · 15 external · 20 broken
Images
41 total · 19 missing alt
Scripts / Styles
14 scripts · 5 stylesheets
JS / CSS size
9.6 KB · 9.3 KB
Page size
95.9 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
- More than 20% of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://4life.com
- Final URL
- https://www.4life.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.74 s
- HTML size
- 95.9 KB
- Redirect chain
- https://4life.com → https://www.4life.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does 4life.com use?
- 4life.com is built with Google Analytics.
- Is 4life.com secure (HTTPS)?
- Yes. 4life.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 9, 2026.
- Who hosts 4life.com?
- Hosting provider information for 4life.com is not available yet.
- What is 4life.com's SEO score?
- 4life.com scored 80/100 for SEO in the latest analysis (great).
- What is 4life.com's overall website score?
- 4life.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card