flutter.dev
Flutter - Build apps for any screen
Last scanned Aug 1, 2026, 3:00 PM · 8 views
Overall score
Excellent
Summary
Flutter transforms the entire app development process. This website uses Google Analytics. SEO is good (80/100) 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.
Top issues to fix
5 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.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
3 issue(s) found
Performance
4 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 92
- SEO
- 80
- Security
- 90
- Performance
- 100
- Accessibility
- 100
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.
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
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
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
- 81
- 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 · 20 broken
Images
44 total · 0 missing alt
Scripts / Styles
6 scripts · 6 stylesheets
JS / CSS size
1.0 KB · 2.8 KB
Page size
71.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
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
- 71.5 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?
- Hosting provider information for flutter.dev is not available yet.
- What is flutter.dev's SEO score?
- flutter.dev scored 80/100 for SEO in the latest analysis (great).
- What is flutter.dev's overall website score?
- flutter.dev has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
- Has flutter.dev's score changed over time?
- flutter.dev's overall score has declined by 1 point (from 93 to 92) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card