carfax.com
CARFAX - Shop, Buy, Own, & Sell Cars with Confidence
Last scanned Jul 21, 2026, 11:40 AM
Overall score
Great
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
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.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
Summary
Don't run the risk of buying a used car with costly hidden problems. This website uses Next.js behind CloudFront CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing OpenGraph tags.
SEO
3 issue(s) found
Performance
730 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- CARFAX - Shop, Buy, Own, & Sell Cars with Confidence
- Description
- Don't run the risk of buying a used car with costly hidden problems. Shop with confidence for a car with the CARFAX vehicle history that's right for you.
- Canonical
- https://www.carfax.com
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- 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
- *.carfax.com
- Valid from
- Oct 17, 2025
- Valid to
- Nov 14, 2026
- Days until expiry
- 116
- SAN domains
- *.carfax.com, carfax.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 14
Links
155 internal · 13 external · 14 broken
Images
21 total · 2 missing alt
Scripts / Styles
17 scripts · 3 stylesheets
JS / CSS size
882 KB · 6.0 KB
Page size
74.0 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://carfax.com
- Final URL
- https://www.carfax.com/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 729 ms
- HTML size
- 74.0 KB
- Redirect chain
- https://carfax.com → https://www.carfax.com/
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Frequently asked questions
- What technology does carfax.com use?
- carfax.com is built with Next.js.
- Is carfax.com secure (HTTPS)?
- Yes. carfax.com uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 14, 2026.
- Who hosts carfax.com?
- Hosting provider information for carfax.com is not available yet.
- What is carfax.com's SEO score?
- carfax.com scored 85/100 for SEO in the latest analysis (great).
- What is carfax.com's overall website score?
- carfax.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.
- What company operates carfax.com?
- carfax.com is operated by CARFAX.
OpenGraph & Twitter Card
OpenGraph
Twitter Card