pub.dev
The official repository for Dart and Flutter packages.
Last scanned Aug 1, 2026, 1:00 PM · 12 views
Overall score
Excellent
Summary
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Multiple H1 headings found.
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
Top issues to fix
4 issues found
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
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
292 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-1 overall since Jul 25, 2026
- Overall
- 96
- SEO
- 85
- Security
- 100
- Performance
- 100
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- The official repository for Dart and Flutter packages.
- Description
- Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
- Canonical
- https://pub.dev/
- Language
- en-us
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
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
- pub.dev
- Valid from
- Jun 27, 2026
- Valid to
- Sep 25, 2026
- Days until expiry
- 55
- SAN domains
- pub.dev
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 5 · H2 1 · H3 6
Links
44 internal · 16 external · 20 broken
Images
39 total · 0 missing alt
Scripts / Styles
5 scripts · 3 stylesheets
JS / CSS size
0 B · 0 B
Page size
31.2 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Multiple H1 headings found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://pub.dev
- Final URL
- https://pub.dev
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 292 ms
- HTML size
- 31.2 KB
- Redirect chain
- https://pub.dev
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does pub.dev use?
- We did not detect any specific technologies for pub.dev in the latest scan.
- Is pub.dev secure (HTTPS)?
- Yes. pub.dev uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 25, 2026.
- Who hosts pub.dev?
- Hosting provider information for pub.dev is not available yet.
- What is pub.dev's SEO score?
- pub.dev scored 85/100 for SEO in the latest analysis (great).
- What is pub.dev's overall website score?
- pub.dev has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
- Has pub.dev's score changed over time?
- pub.dev's overall score has declined by 1 point (from 97 to 96) since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card