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expo.dev

Expo — Build native apps with React

Last scanned Jul 29, 2026, 7:00 PM · 11 views

93

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 behind Cloudflare CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing canonical link.

Expo

Expo is the fastest way to build native apps for iOS, Android, and the web with React.

Top issues to fix

4 issues found

  • Missing canonical link

    SEO

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

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

85

SEO

3 issue(s) found

90

Performance

292 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

-3 overall since Jul 21, 2026

Overall
93
SEO
85
Security
100
Performance
90
Accessibility
100

Organization

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

Expo

Expo is the fastest way to build native apps for iOS, Android, and the web with React.

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
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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
82
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 13

Links

43 internal · 36 external · 20 broken

Images

90 total · 0 missing alt

Scripts / Styles

89 scripts · 4 stylesheets

JS / CSS size

53.1 KB · 0 B

Page size

319 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

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

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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 20, 2026.
Who hosts expo.dev?
Hosting provider information for expo.dev is not available yet.
What is expo.dev's SEO score?
expo.dev scored 85/100 for SEO in the latest analysis (great).
What is expo.dev's overall website score?
expo.dev has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
What company operates expo.dev?
expo.dev is operated by Expo. Expo is the fastest way to build native apps for iOS, Android, and the web with React.
Has expo.dev's score changed over time?
expo.dev's overall score has declined by 3 points (from 96 to 93) since Jul 21, 2026.