flutter.dev
Flutter - Build apps for any screen
Last scanned Jul 25, 2026, 2:25 PM · 2 views
Overall score
Excellent
Summary
Flutter transforms the entire app development process. This website uses Google Analytics hosted on Fastly. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.
Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.
- United States
- Hosted on Fastly
Top issues to fix
3 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.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
SEO
2 issue(s) found
Performance
4 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.
Contact
Email, phone, and address published on this site's own pages.
Source: https://flutter.dev/support
Meta tags
- Title
- Flutter - Build apps for any screen
- Description
- Flutter transforms the entire app development process. Build, test, and deploy beautiful mobile, web, desktop, and embedded apps from a single codebase.
- Canonical
- https://flutter.dev/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Fastly
- CDN provider
- —
- IP address
- 199.36.158.100
- ASN
- AS54113 (FASTLY - Fastly, 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
- flutter.dev
- Valid from
- Jul 24, 2026
- Valid to
- Oct 22, 2026
- Days until expiry
- 89
- SAN domains
- flutter.dev
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 11
Links
20 internal · 45 external · 0 broken
Images
44 total · 0 missing alt
Scripts / Styles
6 scripts · 6 stylesheets
JS / CSS size
389 KB · 223 KB
Page size
72.7 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Found
- URLs in sitemap
- 372
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
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://flutter.dev
- Final URL
- https://flutter.dev
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 3 ms
- HTML size
- 72.7 KB
- Redirect chain
- https://flutter.dev
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does flutter.dev use?
- flutter.dev is built with Google Analytics.
- Is flutter.dev secure (HTTPS)?
- Yes. flutter.dev uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Oct 22, 2026.
- Who hosts flutter.dev?
- flutter.dev is hosted on Fastly.
- What is flutter.dev's SEO score?
- flutter.dev scored 85/100 for SEO in the latest analysis (great).
- What is flutter.dev's overall website score?
- flutter.dev has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
- Is flutter.dev hiring?
- flutter.dev has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card