expo.io
Expo — Build native apps with React
Last scanned Aug 24, 2026, 1:23 PM
Overall score
Excellent
Summary
Expo is the fastest way to build native apps for iOS, Android, and the web with React. This website uses Next.js hosted on Cloudflare behind Cloudflare CDN. SEO is excellent (100/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100).
Expo is the fastest way to build native apps for iOS, Android, and the web with React.
- United States
- Hosted on Cloudflare
Products & pricing
Product and pricing information published in this site's own structured data.
Grow confidently with predictable pricing
$45 USD
General
$0 USD
No critical issues detected
This site passes every automated check we run. Nice work — see the full breakdown below.
SEO
0 issue(s) found
Performance
478 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Expo is the fastest way to build native apps for iOS, Android, and the web with React.
Contact
Email, phone, and address published on this site's own pages.
Source: https://expo.dev/contact
Meta tags
- Title
- Expo — Build native apps with React
- Description
- Expo is the fastest way to build native apps for iOS, Android, and the web with React.
- Canonical
- https://expo.dev
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
- https://expo.dev/manifest.json
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.5.104
- 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
- expo.dev
- Valid from
- Jul 22, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 56
- SAN domains
- expo.dev, mcp.expo.dev
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 12
Links
45 internal · 37 external · 0 broken
Images
90 total · 0 missing alt
Scripts / Styles
77 scripts · 4 stylesheets
JS / CSS size
53.8 KB · 36.4 KB
Page size
314 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 2
- sitemap.xml
- Found
- URLs in sitemap
- 418
SEO issues
No SEO issues detected.
Accessibility issues
No accessibility issues detected.
Careers
Scan details
- Requested URL
- https://expo.io
- Final URL
- https://expo.dev/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 472 ms
- HTML size
- 314 KB
- Redirect chain
- https://expo.io → https://expo.dev/
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Frequently asked questions
- What technology does expo.io use?
- expo.io is built with Next.js.
- Is expo.io secure (HTTPS)?
- Yes. expo.io uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 20, 2026.
- Who hosts expo.io?
- expo.io is hosted on Cloudflare, behind Cloudflare CDN.
- What is expo.io's SEO score?
- expo.io scored 100/100 for SEO in the latest analysis (excellent).
- What is expo.io's overall website score?
- expo.io has an overall SiteGraph score of 98/100, combining SEO, performance, security, and accessibility.
- What products does expo.io offer?
- expo.io offers Grow confidently with predictable pricing, General.
- Is expo.io hiring?
- Yes. expo.io has 9 open roles listed on their careers page.
OpenGraph & Twitter Card
OpenGraph
Twitter Card