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FLUTTER - BEAUTIFUL NATIVE APPS IN RECORD TIME

flutter.dev

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Top Technologies

PHP

Programming Languages

Google Font API

Font Scripts

WordPress

CMS

CloudFlare

CDN

jQuery

JavaScript Frameworks

Nginx

Web Servers

Font Awesome

Font Scripts

Google Tag Manager

Tag Managers

Apache

Web Servers

LiteSpeed

Web Servers

47 flutter.dev Last Updated: 3 years

Success 78% of passed verification steps

Warning 7% of total warning

Errors 15% of total errors, require fast action

Mobile

Performance Desktop Score 48%

Best Practices Desktop Score 86%

SEO Desktop Score 91%

Progressive Web App Desktop Score 26%

Performance Mobile Score 18%

Best Practices Mobile Score 86%

SEO Mobile Score 88%

Progressive Web App Mobile Score 25%

Page Authority Authority 56%

Domain Authority Domain Authority 55%

Moz Rank 5.6/10

Bounce Rate Rate 0%

charset Encoding

Great, language/character encoding is specified: UTF-8

Title Tag 47 Characters

FLUTTER - BEAUTIFUL NATIVE APPS IN RECORD TIME

Meta Description 142 Characters

Flutter SDK is Google's UI toolkit for crafting beautiful, natively compiled applications for mobile, web, and desktop from a single codebase.

Effective URL 19 Characters

https://flutter.dev

Excerpt Page content

Flutter - Beautiful native apps in record time menu Docs ...

Keywords Cloud Density

flutter35 android10 performance9 build9 native9 apps9 code8 platform8 more7 overview6

Keyword Consistency Keyword density is one of the main terms in SEO

Keyword	Freq	Title	Desc	Domain	H1	H2
flutter	35
android	10
performance	9
build	9
native	9
apps	9
code	8
platform	8
more	7
overview	6

Google Preview Your look like this in google search result

FLUTTER - BEAUTIFUL NATIVE APPS IN RECORD TIME

https://flutter.dev

Flutter SDK is Google's UI toolkit for crafting beautiful, natively compiled applications for mobile, web, and desktop from a single codebase.

Robots.txt File Detected

http://flutter.dev/robots.txt

Sitemap.xml File Detected

http://flutter.dev/sitemap.xml

Page Size Code & Text Ratio

Document Size: ~51.69 KB

Code Size: ~39.55 KB

Text Size: ~12.13 KB Ratio: 23.47%

Social Data

Estimation Traffic and Earnings

17,539

Unique Visits

Daily

32,447

Pages Views

Daily

$21

Income

Daily

491,092

Unique Visits

Monthly

924,740

Pages Views

Monthly

$525

Income

Monthly

5,682,636

Unique Visits

Yearly

10,902,192

Pages Views

Yearly

$5,544

Income

Yearly

Technologies

PWA - Manifest

Manifest is not valid

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

Desktop

Largest Contentful Paint 3.9 s

Largest Contentful Paint marks the time at which the largest text or image is painted

Enable text compression Potential savings of 254 KiB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Properly size images Potential savings of 573 KiB

Serve images that are appropriately-sized to save cellular data and improve load time

Avoids an excessive DOM size 589 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)

Serve static assets with an efficient cache policy 48 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 of the longest task

Avoid long main-thread tasks 9 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

Preload key requests Potential savings of 350 ms

Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load

Avoids large JavaScript libraries with smaller alternatives 0 large libraries found

Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size

First Contentful Paint 1.0 s

First Contentful Paint marks the time at which the first text or image is painted

Total Blocking Time 390 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Remove unused JavaScript Potential savings of 988 KiB

Remove unused JavaScript to reduce bytes consumed by network activity

Links do not have descriptive text 4 links found

Descriptive link text helps search engines understand your content

Remove unused CSS Potential savings of 182 KiB

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

Avoid large layout shifts 5 elements found

These DOM elements contribute most to the CLS of the page.

Minify JavaScript Potential savings of 18 KiB

Minifying JavaScript files can reduce payload sizes and script parse time

Time to Interactive 4.5 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Estimated Input Latency 70 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

User Timing marks and measures 8 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

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

Avoid chaining critical requests 8 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

Serve images in next-gen formats Potential savings of 352 KiB

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

Eliminate render-blocking resources Potential savings of 380 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Speed Index 2.4 s

Speed Index shows how quickly the contents of a page are visibly populated

Initial server response time was short Root document took 360 ms

Keep the server response time for the main document short because all other requests depend on it

Cumulative Layout Shift 0.004

Cumulative Layout Shift measures the movement of visible elements within the viewport

Reduce JavaScript execution time 1.3 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

Reduce the impact of third-party code Third-party code blocked the main thread for 320 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

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

First Meaningful Paint 1.0 s

First Meaningful Paint measures when the primary content of a page is visible

Page load is not fast enough on mobile networks Interactive on simulated mobile network at 23.0 s

A fast page load over a cellular network ensures a good mobile user experience

Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

Avoid serving legacy JavaScript to modern browsers Potential savings of 0 KiB

Polyfills and transforms enable legacy browsers to use new JavaScript features. However, many aren't necessary for modern browsers. For your bundled JavaScript, adopt a modern script deployment strategy using module/nomodule feature detection to reduce the amount of code shipped to modern browsers, while retaining support for legacy browsers

Largest Contentful Paint element 1 element found

This is the largest contentful element painted within the viewport

Avoid enormous network payloads Total size was 6,188 KiB

Large network payloads cost users real money and are highly correlated with long load times

Keep request counts low and transfer sizes small 89 requests • 11,448 KiB

To set budgets for the quantity and size of page resources, add a budget.json file

Minimize main-thread work 2.7 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First CPU Idle 4.1 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/).

Defer offscreen images Potential savings of 467 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Mobile

First Contentful Paint (3G) 10145.5 ms

First Contentful Paint 3G marks the time at which the first text or image is painted while on a 3G network

Remove unused CSS Potential savings of 109 KiB

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

Tap targets are not sized appropriately 53% 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

Minimize main-thread work 7.0 s

Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this

First CPU Idle 4.8 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/).

Preload key requests Potential savings of 2,580 ms

Consider using `<link rel=preload>` to prioritize fetching resources that are currently requested later in page load

Avoid enormous network payloads Total size was 5,540 KiB

Large network payloads cost users real money and are highly correlated with long load times

Reduce JavaScript execution time 3.3 s

Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this

User Timing marks and measures 8 user timings

Consider instrumenting your app with the User Timing API to measure your app's real-world performance during key user experiences

Defer offscreen images Potential savings of 59 KiB

Consider lazy-loading offscreen and hidden images after all critical resources have finished loading to lower time to interactive

Estimated Input Latency 310 ms

Document uses legible font sizes 96.14% 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

Properly size images Potential savings of 500 KiB

Serve images that are appropriately-sized to save cellular data and improve load time

Serve static assets with an efficient cache policy 44 resources found

A long cache lifetime can speed up repeat visits to your page

Avoids an excessive DOM size 585 elements

Initial server response time was short Root document took 10 ms

Keep the server response time for the main document short because all other requests depend on it

Page load is not fast enough on mobile networks Interactive at 16.0 s

A fast page load over a cellular network ensures a good mobile user experience

Avoid chaining critical requests 9 chains found

Max Potential First Input Delay 730 ms

The maximum potential First Input Delay that your users could experience is the duration of the longest task

Remove unused JavaScript Potential savings of 732 KiB

Remove unused JavaScript to reduce bytes consumed by network activity

Avoid serving legacy JavaScript to modern browsers Potential savings of 0 KiB

Avoid large layout shifts 5 elements found

These DOM elements contribute most to the CLS of the page.

First Meaningful Paint 4.8 s

First Meaningful Paint measures when the primary content of a page is visible

First Contentful Paint 4.8 s

First Contentful Paint marks the time at which the first text or image is painted

Total Blocking Time 1,300 ms

Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds

Includes front-end JavaScript libraries with known security vulnerabilities 3 vulnerabilities detected

Some third-party scripts may contain known security vulnerabilities that are easily identified and exploited by attackers

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

Reduce the impact of third-party code Third-party code blocked the main thread for 1,790 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

Keep request counts low and transfer sizes small 75 requests • 10,799 KiB

To set budgets for the quantity and size of page resources, add a budget.json file

Enable text compression Potential savings of 254 KiB

Text-based resources should be served with compression (gzip, deflate or brotli) to minimize total network bytes

Largest Contentful Paint 16.8 s

Largest Contentful Paint marks the time at which the largest text or image is painted

Eliminate render-blocking resources Potential savings of 2,700 ms

Resources are blocking the first paint of your page. Consider delivering critical JS/CSS inline and deferring all non-critical JS/styles

Avoids large JavaScript libraries with smaller alternatives 0 large libraries found

Large JavaScript libraries can lead to poor performance. Prefer smaller, functionally equivalent libraries to reduce your bundle size

Cumulative Layout Shift 0.005

Cumulative Layout Shift measures the movement of visible elements within the viewport

Avoid long main-thread tasks 20 long tasks found

Lists the longest tasks on the main thread, useful for identifying worst contributors to input delay

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

Time to Interactive 16.0 s

Time to interactive is the amount of time it takes for the page to become fully interactive

Speed Index 7.2 s

Speed Index shows how quickly the contents of a page are visibly populated

Serve images in next-gen formats Potential savings of 352 KiB

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

Largest Contentful Paint element 1 element found

This is the largest contentful element painted within the viewport

Links do not have descriptive text 4 links found

Descriptive link text helps search engines understand your content

Speed And Optimization Tips

Website speed has a huge impact on performance, affecting user experience, conversion rates and even rankings. ‪‬‬By reducing page load-times, users are less likely to get distracted and the search engines are more likely to reward you by ranking you

Title Website

Congratulations! Your title is optimized

Description Website

Congratulations! Your description is optimized

Robots.txt

Congratulations! Your site have a robots.txt file

Sitemap.xml

Congratulations! We've found a sitemap file for your website

SSL Secure

Congratulations! Your site have Support to HTTPS

Headings

Congratulations! You are using your H1 and H2 tags in your site

Blacklist

Congratulations! Your site is not listed in a blacklist

W3C Validator

Warning! Your site have errors W3C

Accelerated Mobile Pages (AMP)

Warning! Your site not have AMP Version

Domain Authority

Congratulations! Your Domain Authority is good

GZIP Compress

Warning! Your site not is compressed, this can make slower response for the visitors

Favicon

Congratulations! Your website appears to have a favicon.

Broken Links

Congratulations! You not have broken links View links

First 20 Links	Relationship	HTTP Status
http://flutter.dev/	Internal Link	301
Docs	Internal Link	301
1. Install	Internal Link	301
2. Set up an editor	Internal Link	301
3. Test drive	Internal Link	301
4. Write your first app	Internal Link	301
5. Learn more	Internal Link	301
Flutter for Android devs	Internal Link	301
Flutter for iOS devs	Internal Link	301
Flutter for React Native devs	Internal Link	301
Flutter for web devs	Internal Link	301
Flutter for Xamarin.Forms devs	Internal Link	301
Introduction to declarative UI	Internal Link	301
Building a web app	Internal Link	301
Cookbook	Internal Link	301
Codelabs	Internal Link	301
Tutorials	Internal Link	301
User interface	Internal Link	301
Introduction to widgets	Internal Link	301
Building layouts	Internal Link	301

Alexa Rank

8,403

Global Rank

2,897

India

Traffic

Search

Domain Available

Domain (TDL) and Typo	Status
flutter.co	Available Buy Now!
flutter.us	Available Buy Now!
flutter.com	Available Buy Now!
flutter.org	Available Buy Now!
flutter.net	Available Buy Now!
futter.dev	Available Buy Now!
rlutter.dev	Available Buy Now!
vlutter.dev	Available Buy Now!

Information Server

Response Header HTTP headers carry information about the client browser, the requested page and the server

HTTP/2 200 
cache-control: max-age=3600
content-encoding: gzip
content-type: text/html; charset=utf-8
etag: "6fa1b254e4e8251a414ad4efc16ccb22c6a292bcd8496077d4ebd016dc7db64c"
last-modified: Fri, 25 Sep 2020 07:07:31 GMT
strict-transport-security: max-age=31556926
accept-ranges: bytes
date: Fri, 25 Sep 2020 08:03:35 GMT
x-served-by: cache-yyz4525-YYZ
x-cache: HIT
x-cache-hits: 1
x-timer: S1601021015.201518,VS0,VE1
vary: x-fh-requested-host, accept-encoding
content-length: 11571

DNS Records DNS Resource Records associated with a hostname

View DNS Records

Type	Name	Value	Class	TTL
A	flutter.dev	151.101.1.195	IN	3393
A	flutter.dev	151.101.65.195	IN	3393
NS	flutter.dev	ns4.googledomains.com	IN	86400
NS	flutter.dev	ns2.googledomains.com	IN	86400
NS	flutter.dev	ns3.googledomains.com	IN	86400
NS	flutter.dev	ns1.googledomains.com	IN	86400
MX	flutter.dev	mx1.forwardemail.net	IN	3600
MX	flutter.dev	mx2.forwardemail.net	IN	3600
TXT	flutter.dev	flutter.devgoogle-site-verification=EZ_oZwPsj3nJyq2Wyxm_df2syuPDWZWXcmMnIqSJmoc	IN	300
TXT	flutter.dev	flutter.devgoogle-site-verification=lIqguczSC2ik6Gpj63wvAeEZS5AV_1i9yz9Qlrndp-4	IN	300
TXT	flutter.dev	download.flutter.devgoogle-site-verification=AeYMn1LTlmz1OT8omXL-buaYssgGkQIrAtddIyGYAh8	IN	300
TXT	flutter.dev	forward-email=conduct:flutter-conduct@googlegroups.com	IN	300
TXT	flutter.dev	flutter.iogoogle-site-verification=I-FsC4Zyl_kUIJPQFEibfyaZ_-hcTiLxFAfL3UNlNro	IN	300
TXT	flutter.dev	v=spf1 ?all	IN	300
TXT	flutter.dev	dashboard.flutter.devgoogle-site-verification=zJs_c6I-QYsjp6txdbnViGf2jC2rt6tGIL9BLErqL2Y	IN	300
TXT	flutter.dev	flutter.devgoogle-site-verification=ynwJ9uOJaXAo0h8elDzD-ol7A9qib6IMafu8WLbb8GM	IN	300
TXT	flutter.dev	flutter.devgoogle-site-verification=4Rvc1mRi0OUczPHAfReCQF3vpN4g0c3MhoMCfPIA4lA	IN	300

Your Website Score is

Similar Ranking

Latest Sites

Top Technologies

47 flutter.dev Last Updated: 3 years

Desktop

Mobile

Social Data

Estimation Traffic and Earnings

Technologies

Google Font API

Google Tag Manager

YouTube

PWA - Manifest

Desktop

Mobile

Speed And Optimization Tips

Alexa Rank

8,403

2,897

Domain Available

Information Server

Comments

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