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44 pub.dev Last Updated: 1 year

Success 62% of passed verification steps
Warning 23% of total warning
Errors 15% of total errors, require fast action
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Desktop

Mobile

Performance Desktop Score 96%
Best Practices Desktop Score 100%
SEO Desktop Score 90%
Progressive Web App Desktop Score 54%
Performance Mobile Score 72%
Best Practices Mobile Score 92%
SEO Mobile Score 89%
Progressive Web App Mobile Score 56%
Page Authority Authority 40%
Domain Authority Domain Authority 39%
Moz Rank 4.0/10
Bounce Rate Rate 0%
Charset Encoding
Great, language/character encoding is specified: UTF-8
Title Tag 13 Characters
DART PACKAGES
Meta Description 159 Characters
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter, AngularDart, and general Dart programs.
Effective URL 15 Characters
https://pub.dev
Excerpt Page content
Dart packages Dart pub Getting Started: Flutter Using packages Develop...
Keywords Cloud Density
flutter30 dart12 packages6 plugin5 firebase4 android4 apps3 value3 fluttercommunity3 headers3
Keyword Consistency Keyword density is one of the main terms in SEO
Keyword Freq Title Desc Domain H1 H2
flutter 30
dart 12
packages 6
plugin 5
firebase 4
android 4
apps 3
value 3
fluttercommunity 3
headers 3
Google Preview Your look like this in google search result
DART PACKAGES
https://pub.dev
Pub is the package manager for the Dart programming language, containing reusable libraries & packages for Flutter, AngularDart, and general Dart
Robots.txt File Detected
http://pub.dev/robots.txt
Sitemap.xml File No Found
http://pub.dev/sitemap.xml
Page Size Code & Text Ratio
Document Size: ~14.99 KB
Code Size: ~11.17 KB
Text Size: ~3.82 KB Ratio: 25.49%

Estimation Traffic and Earnings

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Technologies

PWA - Manifest

Manifest is not valid
Your site don't have valid manifest.json, read more in Web App Manifest

Desktop

Desktop Screenshot
JavaScript execution time 0.1 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Properly size images Potential savings of 12 KB
Serve images that are appropriately-sized to save cellular data and improve load time
Speed Index 1.0 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 1.0 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 572 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 0.4 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 1.0 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 6 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 161 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
First Meaningful Paint 1.0 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 33 requests • 572 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 2 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 60 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 1.2 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
Estimated Input Latency 10 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Remove unused CSS Potential savings of 37 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 66 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption
Server response times are low (TTFB) Root document took 70 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 0 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Efficiently encode images Potential savings of 41 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 0 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 10 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.

Mobile

Mobile Screenshot
Server response times are low (TTFB) Root document took 50 ms
Time To First Byte identifies the time at which your server sends a response
Eliminate render-blocking resources Potential savings of 0 ms
Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles
Efficiently encode images Potential savings of 41 KB
Optimized images load faster and consume less cellular data
Minimize third-party usage Third-party code blocked the main thread for 150 ms
Third-party code can significantly impact load performance. Limit the number of redundant third-party providers and try to load third-party code after your page has primarily finished loading
Total Blocking Time 330 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds.
JavaScript execution time 0.8 s
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this
Defer offscreen images Potential savings of 8 KB
Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive
Server Backend Latencies 0 ms
Server latencies can impact web performance. If the server latency of an origin is high, it's an indication the server is overloaded or has poor backend performance
Speed Index 3.2 s
Speed Index shows how quickly the contents of a page are visibly populated
First CPU Idle 5.2 s
First CPU Idle marks the first time at which the page's main thread is quiet enough to handle input. [Learn more](https://web.dev/first-cpu-idle).
Avoids enormous network payloads Total size was 537 KB
Large network payloads cost users real money and are highly correlated with long load times
Minimizes main-thread work 1.6 s
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this
First Contentful Paint 3.2 s
First Contentful Paint marks the time at which the first text or image is painted
Avoid chaining critical requests 6 chains found
The Critical Request Chains below show you what resources are loaded with a high priority. Consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load
Avoids an excessive DOM size 161 elements
A large DOM will increase memory usage, cause longer [style calculations](https://developers.google.com/web/fundamentals/performance/rendering/reduce-the-scope-and-complexity-of-style-calculations), and produce costly [layout reflows](https://developers.google.com/speed/articles/reflow)
First Meaningful Paint 3.2 s
First Meaningful Paint measures when the primary content of a page is visible
Keep request counts low and transfer sizes small 32 requests • 537 KB
To set budgets for the quantity and size of page resources, add a budget.json file
Serve static assets with an efficient cache policy 2 resources found
A long cache lifetime can speed up repeat visits to your page
Max Potential First Input Delay 240 ms
The maximum potential First Input Delay that your users could experience is the duration, in milliseconds, of the longest task
Time to Interactive 6.3 s
Time to interactive is the amount of time it takes for the page to become fully interactive
Network Round Trip Times 0 ms
Network round trip times (RTT) have a large impact on performance. If the RTT to an origin is high, it's an indication that servers closer to the user could improve performance
First Contentful Paint (3G) 6623.5 ms
First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network
Estimated Input Latency 40 ms
Estimated Input Latency is an estimate of how long your app takes to respond to user input, in milliseconds, during the busiest 5s window of page load. If your latency is higher than 50 ms, users may perceive your app as laggy
Tap targets are not sized appropriately 73% appropriately sized tap targets
Interactive elements like buttons and links should be large enough (48x48px), and have enough space around them, to be easy enough to tap without overlapping onto other elements
Document uses legible font sizes 100% legible text
Font sizes less than 12px are too small to be legible and require mobile visitors to “pinch to zoom” in order to read. Strive to have >60% of page text ≥12px
Remove unused CSS Potential savings of 37 KB
Remove dead rules from stylesheets and defer the loading of CSS not used for above-the-fold content to reduce unnecessary bytes consumed by network activity
Serve images in next-gen formats Potential savings of 66 KB
Image formats like JPEG 2000, JPEG XR, and WebP often provide better compression than PNG or JPEG, which means faster downloads and less data consumption

Speed And Optimization Tips

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Alexa Rank

0

Local Rank: / Users: / PageViews:

Global Rank

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server 
HTTP/1.1 404 Not Found
Date: Tue, 10 Dec 2019 16:15:08 GMT
Content-Type: text/html; charset="utf-8"
Vary: Accept-Encoding
strict-transport-security: max-age=31536000; preload
x-frame-options: deny
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
content-security-policy: child-src 'none';connect-src 'self';default-src 'none';frame-src 'self' https://accounts.google.com/;font-src 'self' https://fonts.googleapis.com/ https://fonts.gstatic.com/;img-src 'self' https: data:;manifest-src 'none';media-src 'none';object-src 'none';script-src 'self' https://www.googletagmanager.com/ https://www.google.com/ https://www.google-analytics.com/ https://adservice.google.com/ https://ajax.googleapis.com/ https://apis.google.com/ https://unpkg.com/;style-src 'self' https://unpkg.com/ https://pub.dartlang.org/static/ 'unsafe-inline' https://fonts.googleapis.com/;worker-src 'none'
server: dart:io with Shelf
Content-Encoding: gzip
Via: 1.1 google
Transfer-Encoding: chunked
DNS Records DNS Resource Records associated with a hostname
View DNS Records
Type Name Value Class TTL
A pub.dev 216.239.34.21 IN 7178
A pub.dev 216.239.38.21 IN 7178
A pub.dev 216.239.36.21 IN 7178
A pub.dev 216.239.32.21 IN 7178
TXT pub.dev google-site-verification=C3k_OdhshSLlONW9s05koU4-y3iQcZLTETDw5KGf5m0 IN 86400
AAAA pub.dev 2001:4860:4802:36::15 IN 7178
AAAA pub.dev 2001:4860:4802:32::15 IN 7178
AAAA pub.dev 2001:4860:4802:34::15 IN 7178
AAAA pub.dev 2001:4860:4802:38::15 IN 7178

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