customer.io
Customer.io Platform: Automation, Data, Content Creation
Last scanned Jul 18, 2026, 8:49 PM
Overall score
Excellent
Top issues to fix
1 issue found
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Summary
Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data. This website uses Next.js hosted on AWS behind Vercel CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (75/100).
SEO
0 issue(s) found
Performance
381 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Customer.io Platform: Automation, Data, Content Creation
Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
- Founded
- Jan 1, 2012
Contact
Email, phone, and address published on this site's own pages.
- win@customer.io
- Address
- 9450 SW Gemini Dr, Beaverton, OR, 97008, US
Meta tags
- Title
- Customer.io Platform: Automation, Data, Content Creation
- Description
- Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
- Canonical
- https://customer.io
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://customer.io/manifest.webmanifest
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
- customer.io
- Valid from
- Jun 24, 2026
- Valid to
- Sep 22, 2026
- Days until expiry
- 65
- SAN domains
- customer.io
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 6 · H3 15
Links
43 internal · 11 external · 0 broken
Images
79 total · 0 missing alt
Scripts / Styles
121 scripts · 2 stylesheets
JS / CSS size
1.8 MB · 183 KB
Page size
493 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 5
- sitemap.xml
- Found
- URLs in sitemap
- 479
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Products & pricing
Product and pricing information published in this site's own structured data.
Trusted by 9,000+ brands around the world
$10 USD
Essentials
$100 USD
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://customer.io
- Final URL
- https://customer.io
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 371 ms
- HTML size
- 493 KB
- Redirect chain
- https://customer.io
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Frequently asked questions
- What technology does customer.io use?
- customer.io is built with Next.js, Google Analytics.
- Is customer.io secure (HTTPS)?
- Yes. customer.io uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 22, 2026.
- Who hosts customer.io?
- customer.io is hosted on AWS, behind Vercel CDN.
- What is customer.io's SEO score?
- customer.io scored 100/100 for SEO in the latest analysis (excellent).
- What is customer.io's overall website score?
- customer.io has an overall SiteGraph score of 91/100, combining SEO, performance, security, and accessibility.
- What company operates customer.io?
- customer.io is operated by Customer.io Platform: Automation, Data, Content Creation. Explore Customer.io, the data-driven platform for personalized customer journeys across all channels, fueled by first-party data.
- What products does customer.io offer?
- customer.io offers Trusted by 9,000+ brands around the world, Essentials.
- Is customer.io hiring?
- customer.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card