http.cat
HTTP Cats
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Great
Summary
An API for the awesome HTTP Cats! Use it in your website to show funny error messages. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: Missing canonical link.
An API for the awesome HTTP Cats! Use it in your website to show funny error messages.
- United States
- Hosted on Cloudflare
Top issues to fix
8 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.
Slow estimated load (11.7s)
PerformanceUse a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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 canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
11.70 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
An API for the awesome HTTP Cats! Use it in your website to show funny error messages.
Meta tags
- Title
- HTTP Cats
- Description
- An API for the awesome HTTP Cats! Use it in your website to show funny error messages.
- Canonical
- 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
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 172.67.204.170
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- http.cat
- Valid from
- Jul 23, 2026
- Valid to
- Oct 21, 2026
- Days until expiry
- 86
- SAN domains
- http.cat, *.http.cat
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 1 · H3 0
Links
80 internal · 6 external · 0 broken
Images
84 total · 1 missing alt
Scripts / Styles
17 scripts · 2 stylesheets
JS / CSS size
479 KB · 10.0 KB
Page size
77.0 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://http.cat
- Final URL
- https://http.cat
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 11.70 s
- HTML size
- 77.0 KB
- Redirect chain
- https://http.cat
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does http.cat use?
- http.cat is built with Next.js, Google Analytics, Cloudflare Analytics.
- Is http.cat secure (HTTPS)?
- Yes. http.cat uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 21, 2026.
- Who hosts http.cat?
- http.cat is hosted on Cloudflare, behind Cloudflare CDN.
- What is http.cat's SEO score?
- http.cat scored 80/100 for SEO in the latest analysis (great).
- What is http.cat's overall website score?
- http.cat has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card