cartesia.ai
Cartesia | AI that learns and interacts like humans
Last scanned Jul 26, 2026, 12:19 PM
Overall score
Excellent
Summary
Integrate real-time text-to-speech with Sonic-3.5, Cartesia's streaming TTS API. This website uses Astro hosted on AWS behind Vercel CDN. SEO is excellent (95/100) and accessibility is excellent (100/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Cartesia
Integrate real-time text-to-speech with Sonic-3.5, Cartesia's streaming TTS API. Generate natural, expressive voices with laughter in 40+ languages — built for AI agents and interactive apps.
- United States
- Hosted on AWS
Products & pricing
Product and pricing information published in this site's own structured data.
Pricing for every stage.
$0 USD
Top issues to fix
5 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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
1 issue(s) found
Performance
31 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Cartesia
Integrate real-time text-to-speech with Sonic-3.5, Cartesia's streaming TTS API. Generate natural, expressive voices with laughter in 40+ languages — built for AI agents and interactive apps.
Contact
Email, phone, and address published on this site's own pages.
- jane@example.com
Source: https://www.cartesia.ai/contact
Meta tags
- Title
- Cartesia | AI that learns and interacts like humans
- Description
- Integrate real-time text-to-speech with Sonic-3.5, Cartesia's streaming TTS API. Generate natural, expressive voices with laughter in 40+ languages — built for AI agents and interactive apps.
- Canonical
- https://www.cartesia.ai/
- Language
- en
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
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
- *.cartesia.ai
- Valid from
- Jun 20, 2026
- Valid to
- Sep 18, 2026
- Days until expiry
- 51
- SAN domains
- *.cartesia.ai, cartesia.ai
Security headers
- Strict-Transport-SecurityEnabled
- 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 5 · H3 3
Links
39 internal · 9 external · 1 broken
Images
35 total · 0 missing alt
Scripts / Styles
8 scripts · 1 stylesheets
JS / CSS size
13.9 KB · 268 KB
Page size
274 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Meta description longer than 160 characters
Accessibility issues
No accessibility issues detected.
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://cartesia.ai
- Final URL
- https://www.cartesia.ai/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 26 ms
- HTML size
- 274 KB
- Redirect chain
- https://cartesia.ai → https://www.cartesia.ai/
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Frequently asked questions
- What technology does cartesia.ai use?
- cartesia.ai is built with Astro.
- Is cartesia.ai secure (HTTPS)?
- Yes. cartesia.ai uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 18, 2026.
- Who hosts cartesia.ai?
- cartesia.ai is hosted on AWS, behind Vercel CDN.
- What is cartesia.ai's SEO score?
- cartesia.ai scored 95/100 for SEO in the latest analysis (excellent).
- What is cartesia.ai's overall website score?
- cartesia.ai has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- What company operates cartesia.ai?
- cartesia.ai is operated by Cartesia. Integrate real-time text-to-speech with Sonic-3.5, Cartesia's streaming TTS API. Generate natural, expressive voices with laughter in 40+ languages — built for AI agents and interactive apps.
- What products does cartesia.ai offer?
- cartesia.ai offers Pricing for every stage..
- Is cartesia.ai hiring?
- cartesia.ai has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card