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expo.dev

Expo — Build Native Apps with React

Last scanned Jul 21, 2026, 12:33 PM · 1 view

96

Overall score

Excellent

Top issues to fix

1 issue found

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

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 (95/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing canonical link.

95

SEO

1 issue(s) found

90

Performance

317 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Contact

Email, phone, and address published on this site's own pages.

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
Language
en
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest
https://expo.dev/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
Expo — Build Native Apps with React
og:description
Expo is the fastest way to build native apps for iOS, Android, and the web with React.
og:type
website
og:url

Twitter Card

twitter:card
summary_large_image
twitter:title
Expo — Build Native Apps with React
twitter:description
Expo is the fastest way to build native apps for iOS, Android, and the web with React.

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

TypeValue
A
  • 104.18.5.104
  • 104.18.4.104
AAAA
  • 2606:4700::6812:568
  • 2606:4700::6812:468
MX
  • alt1.aspmx.l.google.com
  • aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com
TXT
NS
  • dale.ns.cloudflare.com
  • lucy.ns.cloudflare.com
CAA
  • 0 issue "comodoca.com"
  • 0 issue "pki.goog; cansignhttpexchanges=yes"
  • 0 issue "ssl.com"
  • 0 issue "letsencrypt.org"
  • 0 issuewild "digicert.com; cansignhttpexchanges=yes"
  • 0 issuewild "comodoca.com"
  • 0 issuewild "ssl.com"
  • 0 issuewild "pki.goog; cansignhttpexchanges=yes"
  • 0 issuewild "letsencrypt.org"
  • 0 issue "digicert.com; cansignhttpexchanges=yes"
CNAME
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Google Trust Services
Subject
expo.dev
Valid from
Jul 12, 2026
Valid to
Oct 10, 2026
Days until expiry
81
SAN domains
expo.dev, staging-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 13

Links

37 internal · 34 external · 0 broken

Images

90 total · 0 missing alt

Scripts / Styles

89 scripts · 4 stylesheets

JS / CSS size

53.1 KB · 36.4 KB

Page size

306 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
2
sitemap.xml
Found
URLs in sitemap
388

SEO issues

  • Missing canonical link

Accessibility issues

No accessibility issues detected.

Products & pricing

Product and pricing information published in this site's own structured data.

Grow confidently with predictable pricing

$45 USD

Scan details

Requested URL
https://expo.dev
Final URL
https://expo.dev
HTTP status
200
HTTP version
HTTP/2
Response time
311 ms
HTML size
306 KB
Redirect chain
https://expo.dev

Frequently asked questions

What technology does expo.dev use?
expo.dev is built with Next.js.
Is expo.dev secure (HTTPS)?
Yes. expo.dev uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 10, 2026.
Who hosts expo.dev?
expo.dev is hosted on Cloudflare, behind Cloudflare CDN.
What is expo.dev's SEO score?
expo.dev scored 95/100 for SEO in the latest analysis (excellent).
What is expo.dev's overall website score?
expo.dev has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
What company operates expo.dev?
expo.dev is operated by Expo.
What products does expo.dev offer?
expo.dev offers Grow confidently with predictable pricing.
Is expo.dev hiring?
Yes. expo.dev has 7 open roles listed on their careers page.