Pub.dev - SEO Checker

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Overview of the SEO Check
Meta information
100% 
Page quality
73% 
Page structure
50% 
Link structure
96% 
Server
91% 
External factors
100% 
SEO Score
Response time
0.17 s
File size
30.30 kB
Words
579
Media files
40
Number of links
52 internal / 23 external

Task list of SEO Improvements

Meta specifications

Title
(Critically important)
The official repository for Dart and Flutter packages.
The length of the page title is perfect. (467 pixels out of 580 max pixel length)
There are no duplicate words in the title
Meta description
(Critically important)
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
The length of the meta description is perfect. (893 pixels out of 1000 max pixel length)
Crawlability
(Critically important)
There are no problems in accessing the website.
Canonical URL
(Important)
https://pub.dev/
There is a valid canonical link specified.
Language
(Somewhat important)
Language detected in text: en
Language defined in HTML: en-us
Server location: United States of America
The following language is defined by HTML: en-us
Alternate/Hreflang Links
(Somewhat important)
There are no alternate links specified on this page.
Other meta tags
(Somewhat important)
There is no rel next meta tag on this page.
There is no rel prev meta tag on this page.
Domain
(Somewhat important)
The domain is no subdomain.
The domain length is good.
The domain does not contain non-latin characters.
Page URL
(Somewhat important)
No parameters were found in the URL.
No session ID was found in the URL.
The URL does not have too many subdirectories.
Charset encoding
(Somewhat important)
The charset encoding (UTF-8) is set correctly.
Doctype
(Nice to have)
The doctype HTML 5 is set correctly.
The doctype is placed at first in the HTML code.
Favicon
(Nice to have)
The favicon is linked correctly.

Meta tags

NameValue
viewportwidth=device-width, initial-scale=1
descriptionPub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
langen-us
twitter:cardsummary
twitter:site@dart_lang
twitter:descriptionPub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
twitter:imagehttps://pub.dev/static/hash-2rtjo3l4/img/pub-dev-icon-cover-image.png
og:typewebsite
og:site_nameDart packages
og:titleThe official repository for Dart and Flutter packages.
og:descriptionPub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter and general Dart programs.
og:imagehttps://pub.dev/static/hash-2rtjo3l4/img/pub-dev-icon-cover-image.png
og:urlhttps://pub.dev/
x-ua-compatibleie=edge
charsetutf-8

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Page quality

Content
(Critically important)
Words from the H1 heading are not used in the page content.
This page contains 579 words. That's ok.
27.1% of the text are stop words.
Keywords used in the page title are also used in the page content. That's good!
16 paragraphs were found on this page.
No placeholders texts or images were found.
There are no duplicates on the site.
The average number of words per sentence of 14.48 words is good.
Frames
(Critically important)
This page does not use a frameset.
Mobile optimization
(Somewhat important)
No Apple touch icon is specified.
A viewport "width=device-width, initial-scale=1" is provided.
Bold and strong tags
(Somewhat important)
The usage of strong and bold tags is perfect. We recommend the use of up to 12 tags for this page.
Image SEO
(Somewhat important)
12 images have no alt attribute. The content of alt attributes is used by search engines.
Social Networks
(Nice to have)
There are only a few social sharing widgets on the page. Make your website popular in social networks with social sharing widgets.
Additional markup
(Nice to have)
No additional page markup was found.
HTTPS
(Somewhat important)
This website uses HTTPS to protect privacy and integrity of the exchanged data.
All included files are also transferred via HTTPS.

Media list

URLAlt attributeTitle
...rtjo3l4/img/nav-mobile-foldable-icon.svgtoggle folding of the section
...rtjo3l4/img/nav-mobile-foldable-icon.svgtoggle folding of the section
...rtjo3l4/img/nav-mobile-foldable-icon.svgtoggle folding of the section
/static/hash-2rtjo3l4/img/pub-dev-logo.svgNo alt attribute provided
...-2rtjo3l4/img/supported-by-google-2x.pngSupported by Google
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
/static/hash-2rtjo3l4/img/landing-01.webpNo alt attribute provided
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
/static/hash-2rtjo3l4/img/landing-02.webpNo alt attribute provided
/static/hash-2rtjo3l4/img/landing-03.webpNo alt attribute provided
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...-2rtjo3l4/img/material-icon-verified.svgverified publisherPublished by a pub.dev verified publisher
...i.ytimg.com/vi/Jxw6FaA0j3I/hqdefault.jpgvideo_player (Package of the Week)
...c/hash-2rtjo3l4/img/youtube-play-red.pngNo alt attribute provided
...hash-2rtjo3l4/img/youtube-play-black.pngNo alt attribute provided
...i.ytimg.com/vi/ebYDOadpPcI/hqdefault.jpgfirebase_vertexai (Package of the Week)
...c/hash-2rtjo3l4/img/youtube-play-red.pngNo alt attribute provided
...hash-2rtjo3l4/img/youtube-play-black.pngNo alt attribute provided
...i.ytimg.com/vi/MqjCIITfCIA/hqdefault.jpgGap (Package of the Week)
...c/hash-2rtjo3l4/img/youtube-play-red.pngNo alt attribute provided
...hash-2rtjo3l4/img/youtube-play-black.pngNo alt attribute provided
...i.ytimg.com/vi/Jxw6FaA0j3I/hqdefault.jpgvideo_player (Package of the Week)
...c/hash-2rtjo3l4/img/youtube-play-red.pngNo alt attribute provided
...hash-2rtjo3l4/img/youtube-play-black.pngNo alt attribute provided
/static/hash-2rtjo3l4/img/rss-feed-icon.svgRSSRSS/atom feed
...h-2rtjo3l4/img/bug-report-white-96px.pngbug reportReport an issue with this site

Page structure

H1 heading
(Critically important)
Flutter Favorites
Too many H1 headings
The H1 heading is too short (17 characters). It should be at least 20 Characters long.
Headings
(Important)
There are 34 headings on the page. The amount of headings should be in a more proper relation to the amount of text.

Heading structure

Heading levelContent
H1 Flutter Favorites
H1 Most popular packages
H1 Top Flutter packages
H1 Top Dart packages
H1 Package of the Week
H2 pub.dev package manager
H3 Pub.dev
H3 Flutter
H3 Dart
H3 Pub.dev toggle folding of the section
H3 Flutter toggle folding of the section
H3 Dart toggle folding of the section
H3 device_info_plus
H3 flutter_mobx
H3 drift
H3 flutter_local_notifications
H3 firebase_core
H3 equatable
H3 geolocator
H3 dotted_border
H3 intl
H3 dds_service_extensions
H3 fl_chart
H3 in_app_review
H3 flutter_cache_manager
H3 location
H3 flutter_dotenv
H3 freezed
H3 logger
H3 email_validator
H3 maps_toolkit
H3 flutter_gen
H3 faker
H3 riverpod
Some anchor texts are used more than once.
The number of internal links is ok.
None of the anchor texts is too long.
All internal links are not using dynamic parameters.
There are 23 external links on this page.

Found links on this page

LinkAttributesAnchor text
https://pub.dev/help/searchNew window Searching for packages
https://pub.dev/help/scoringNew window Package scoring and pub points
https://flutter.dev/using-pack...New window External Using packages
https://flutter.dev/developing...New window External Developing packages and plugins
https://dart.dev/tools/pub/pub...New window External Publishing a package
https://dart.dev/guides/packagesNew window External Text duplicate Using packages
https://dart.dev/tools/pub/pub...New window External Text duplicate Publishing a package
https://pub.dev/help/searchNew window Text duplicate Searching for packages
https://pub.dev/help/scoringNew window Text duplicate Package scoring and pub points
https://flutter.dev/using-pack...New window External Text duplicate Using packages
https://flutter.dev/developing...New window External Text duplicate Developing packages and plugins
https://dart.dev/tools/pub/pub...New window External Text duplicate Publishing a package
https://dart.dev/guides/packagesNew window External Text duplicate Using packages
https://dart.dev/tools/pub/pub...New window External Text duplicate Publishing a package
https://dart.dev/New window External Dart
https://flutter.dev/New window External Flutter
https://flutter.dev/docs/devel...New window External highest levels of quality
/packages/device_info_plusdevice_info_plus
/publishers/fluttercommunity.devfluttercommunity.dev
/packages/flutter_mobxflutter_mobx
/publishers/vyuh.techvyuh.tech
https://pub.dev/packages/driftdrift
/publishers/simonbinder.eusimonbinder.eu
/packages/flutter_local_notifi...flutter_local_notifications
/publishers/dexterx.devdexterx.dev
/packages?q=is:flutter-favoriteNofollow View all
A-TITLE Search Flutter Favorites packages
/packages/firebase_corefirebase_core
/publishers/firebase.google.comfirebase.google.com
/packages/equatableequatable
/publishers/fluttercommunity.devText duplicate fluttercommunity.dev
/packages/geolocatorgeolocator
/publishers/baseflow.combaseflow.com
/packages/dotted_borderdotted_border
https://pub.dev/packages/intlintl
/publishers/dart.devdart.dev
/packages/dds_service_extensionsdds_service_extensions
/publishers/tools.dart.devtools.dart.dev
/packages?sort=popularityNofollow Text duplicate View all
A-TITLE Search popular packages
https://pub.dev/packages/fl_chartfl_chart
/publishers/flchart.devflchart.dev
/packages/in_app_reviewin_app_review
/publishers/britannio.devbritannio.dev
/packages/flutter_cache_managerflutter_cache_manager
/publishers/baseflow.comText duplicate baseflow.com
https://pub.dev/packages/locationlocation
/publishers/bernos.devbernos.dev
/packages/flutter_dotenvflutter_dotenv
https://pub.dev/packages/freezedfreezed
/publishers/dash-overflow.netdash-overflow.net
/packages?q=sdk:flutterNofollow Text duplicate View all
A-TITLE Search Flutter packages
https://pub.dev/packages/loggerlogger
/publishers/sourcehorizon.orgsourcehorizon.org
/packages/email_validatoremail_validator
/packages/maps_toolkitmaps_toolkit
/publishers/kb-apps.comkb-apps.com
/packages/flutter_genflutter_gen
/publishers/wasabeef.jpwasabeef.jp
https://pub.dev/packages/fakerfaker
https://pub.dev/packages/riverpodriverpod
/publishers/dash-overflow.netText duplicate dash-overflow.net
/packages?q=sdk:dartNofollow Text duplicate View all
A-TITLE Search Dart packages
https://youtube.com/watch?v=Jx...New window External IMG-ALT video_player (Package of the Week)
A-TITLE Display a video from the internet, or the user's device, in your Flutter app in a few lines of code with the video_player package.
https://youtube.com/watch?v=eb...New window External IMG-ALT firebase_vertexai (Package of the Week)
A-TITLE firebase_vertexi on pub.dev → https://goo.gle/3z3Im8P
https://youtube.com/watch?v=Mq...New window External IMG-ALT Gap (Package of the Week)
A-TITLE Use Gap to add space between widgets without keeping track of whether its parent is a Row or Column.
https://youtube.com/watch?v=Jx...New window External Text duplicate IMG-ALT video_player (Package of the Week)
A-TITLE Display a video from the internet, or the user's device, in your Flutter app in a few lines of code with the video_player package.
https://www.youtube.com/playli...New window Nofollow External Subdomain View playlist
A-TITLE Visit the YouTube playlist
https://dart.dev/External Dart language
https://pub.dev/policyPolicy
https://www.google.com/intl/en...External Subdomain Terms
https://developers.google.com/...External Subdomain API Terms
https://pub.dev/securitySecurity
https://www.google.com/intl/en...External Subdomain Privacy
https://pub.dev/helpHelp
https://pub.dev/feed.atomIMG-ALT RSS
https://github.com/dart-lang/p...External IMG-ALT bug report

Server configuration

HTTP redirects
(Critically important)
This page redirects to "https://pub.dev/"
HTTP header
(Important)
The X-powered header is sent within the response header. (unnecessary)
This page uses GZip for compressed data transmission.
Performance
(Somewhat important)
The page response time is excellent with 0.17 seconds.
The file size of the HTML document is fine (30 kB).

HTTP Response Header

NameValue
dateWed, 13 Nov 2024 23:03:35 GMT
content-typetext/html; charset="utf-8"
varyAccept-Encoding
x-powered-byDart with package:shelf
cache-controlno-store, no-cache, must-revalidate
strict-transport-securitymax-age=31536000; preload
referrer-policyno-referrer-when-downgrade
x-frame-optionsdeny
x-xss-protection1; mode=block
x-content-type-optionsnosniff
content-security-policydefault-src 'self' https:;font-src 'self' data: https://fonts.googleapis.com/ https://fonts.gstatic.com/;img-src 'self' https: data:;manifest-src 'none';object-src 'none';script-src 'self' https://tagmanager.google.com https://www.googletagmanager.com/ https://www.google.com/ https://www.google-analytics.com/ https://ssl.google-analytics.com https://adservice.google.com/ https://ajax.googleapis.com/ https://apis.google.com/ https://unpkg.com/ https://www.gstatic.com/ https://gstatic.com https://accounts.google.com/gsi/client;style-src 'self' https://unpkg.com/ https://pub.dartlang.org/static/ 'unsafe-inline' https://fonts.googleapis.com/ https://gstatic.com https://www.gstatic.com/ https://tagmanager.google.com https://accounts.google.com/gsi/style
expiresWed, 13 Nov 2024 22:58:35 GMT
x-appengine-flex-applatency0.004
content-encodinggzip
via1.1 google
alt-svch3=":443"; ma=2592000,h3-29=":443"; ma=2592000
statuscode200
http_versionHTTP/2

External factors

This website has excellent links from other websites.
This page has backlinks from 6,297 referring domains.
This page has 426,969 backlinks.
This page has backlinks from 4,130 different ip addresses.

Links from Wikipedia

No links from Wikipedia were found.

Robots.txt

User-agent: *
Sitemap: https://pub.dev/sitemap.txt
Sitemap: https://pub.dev/sitemap-2.txt
Disallow: /packages?q=

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

Most important keywords

Following keywords were found. You can check the keyword optimization of this page for each keyword.

KeywordResultRecheck
Flutter76%Check
Pub72%Check
Package66%Check
Dart66%Check
packages65%Check
package manager60%Check
dev58%Check
Package Repository57%Check
Flutter plugin56%Check
manager54%Check
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