cryptokitties.co
CryptoKitties | Collect and breed digital cats!
Last scanned Jul 27, 2026, 2:43 PM
Overall score
Fair
Summary
Collect and trade CryptoKitties in one of the world’s first blockchain games. This website uses Express hosted on AWS. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance fair (60/100). Top issue: Missing canonical link.
Collect and trade CryptoKitties in one of the world’s first blockchain games. Breed your rarest cats to create the purrfect furry friend. The future is meow!
- United States
- Hosted on AWS
Top issues to fix
6 issues found · 3 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.
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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
3 issue(s) found
Performance
443 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Collect and trade CryptoKitties in one of the world’s first blockchain games. Breed your rarest cats to create the purrfect furry friend. The future is meow!
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- CryptoKitties | Collect and breed digital cats!
- Description
- Collect and trade CryptoKitties in one of the world’s first blockchain games. Breed your rarest cats to create the purrfect furry friend. The future is meow!
- Canonical
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width,initial-scale=1,maximum-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- —
- IP address
- 3.33.161.45
- ASN
- AS16509 (AMAZON-02 - Amazon.com, Inc., US)
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.cryptokitties.co
- Valid from
- Jul 24, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 86
- SAN domains
- www.cryptokitties.co
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
0 internal · 0 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
6 scripts · 3 stylesheets
JS / CSS size
11.0 MB · 342 KB
Page size
3.7 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 9
SEO issues
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
Accessibility issues
- No H1 heading found
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://cryptokitties.co
- Final URL
- https://www.cryptokitties.co/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 443 ms
- HTML size
- 3.7 KB
- Redirect chain
- https://cryptokitties.co → https://www.cryptokitties.co/
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Frequently asked questions
- What technology does cryptokitties.co use?
- cryptokitties.co is built with Express, Node.js.
- Is cryptokitties.co secure (HTTPS)?
- Yes. cryptokitties.co uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 22, 2026.
- Who hosts cryptokitties.co?
- cryptokitties.co is hosted on AWS.
- What is cryptokitties.co's SEO score?
- cryptokitties.co scored 75/100 for SEO in the latest analysis (fair).
- What is cryptokitties.co's overall website score?
- cryptokitties.co has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.
- Is cryptokitties.co hiring?
- cryptokitties.co has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card