Skip to main content
SGSiteGraph

pub.dev

The official repository for Dart and Flutter packages.

Last scanned Jul 25, 2026, 12:25 PM · 1 view

97

Overall score

Excellent

Summary

Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs. This website is hosted on Google Cloud. SEO is excellent (90/100) 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.

United States
Hosted on Google Cloud

Top issues to fix

2 issues found

  • Multiple H1 headings found

    SEO

    Keep a single H1 per page and demote the others to H2/H3.

  • sitemap.xml not found

    SEO

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

90

SEO

2 issue(s) found

100

Performance

281 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.

Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.

Contact

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

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

OpenGraph & Twitter Card

OpenGraph

og:title
The official repository for Dart and Flutter packages.
og:description
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
og:type
website
og:url
https://pub.dev/

Twitter Card

twitter:card
summary
twitter:title
twitter:description
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
Google Cloud
CDN provider
IP address
34.36.0.14
ASN
AS396982 (GOOGLE-CLOUD-PLATFORM - Google LLC, US)

DNS records

TypeValue
A
  • 34.36.0.14
AAAA
  • 2600:1901:0:382a::
MX
  • smtp.google.com
TXT
  • v=spf1 include:_spf.google.com ~all
  • google-site-verification=C3k_OdhshSLlONW9s05koU4-y3iQcZLTETDw5KGf5m0
NS
CAA
  • 0 issue "pki.goog"
CNAME
IPv6 supportYes

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
62
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

45 internal · 16 external · 0 broken

Images

42 total · 0 missing alt

Scripts / Styles

5 scripts · 3 stylesheets

JS / CSS size

314 KB · 83.1 KB

Page size

32.7 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Multiple H1 headings 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
281 ms
HTML size
32.7 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?
pub.dev is hosted on Google Cloud.
What is pub.dev's SEO score?
pub.dev scored 90/100 for SEO in the latest analysis (excellent).
What is pub.dev's overall website score?
pub.dev has an overall SiteGraph score of 97/100, combining SEO, performance, security, and accessibility.