{"id":1952,"date":"2019-06-20T12:49:09","date_gmt":"2019-06-20T07:19:09","guid":{"rendered":"https:\/\/www.concettolabs.com\/blog\/?p=1952"},"modified":"2019-06-20T12:49:09","modified_gmt":"2019-06-20T07:19:09","slug":"performance-testing-of-flutter-app","status":"publish","type":"post","link":"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/","title":{"rendered":"Performance Testing of Flutter app"},"content":{"rendered":"<p align=\"justify\"><span style=\"font-size: large;\">The flutter framework does an amazing job just by being super faster than too by default. However, that doesn\u2019t mean you\u2019ll overlook its performance completely. Every new technology or trend has its own pros and cons, and so is the case with <strong>Flutter app performance test<\/strong>, it is extremely slow comparatively. Besides this, you can utilize this framework to make your apps not only fast but efficient and less CPU time and battery-consuming.<\/span><\/p>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1953 size-full\" title=\"Flutter app performance\" src=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.1-1.png\" alt=\"Flutter app performance\" width=\"742\" height=\"421\" srcset=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.1-1.png 742w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.1-1-300x170.png 300w\" sizes=\"auto, (max-width: 742px) 100vw, 742px\" \/><\/p>\n<p align=\"justify\"><strong><span style=\"font-size: large;\">Flutter framework was introduced by Google a few years back, so for performance optimization, you need to keep some guideline in mind, which are as follows:<\/span><\/strong><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Update state only when you must<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Don\u2019t target many widgets when updating the state<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Don\u2019t involve computationally intensive tasks outside your build methods.<\/span><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><span style=\"font-size: large;\">So the hard truth about flutter performance optimization is \u201ceverything depends\u201d on your app. You can only test to get the right solution to each problem while performing optimization. <\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">We would like to share some basic advice being flutter developers, what we\u2019ve experienced so far:<\/span><\/p>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"1_Basic_advice\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">1. Basic advice<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Never commit the mistake of <strong>testing the flutter app<\/strong> when it\u2019s in debug mode, perform the test when it\u2019s in profile mode.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Always make sure that you <strong>run your flutter app<\/strong> on real advice rather than an iOS simulator or Android emulator. No doubt, these software emulators are great for testing but they have a certain characteristic, which is not the right fit for flutter apps.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">If possible keep one real device aside for <strong>testing flutter apps<\/strong> and don\u2019t use it for any other purpose.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"2_CPUGPU_governors\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">2. CPU\/GPU governors<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">Modern operating systems often vary the frequency of each CPU and GPU at their dumping as per the load and some other heuristics. However, while running a flutter app test on an Android device you can turn off these governors that process is recognized as \u201cscale locking\u201d. Follow the below steps:<\/span><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Create a script that scale-locks your performance-test device<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">If you want something generic and lightweight, then look at the following example that shows you the excerpt sets of CPU to the user governor.<\/span><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1954 size-full\" title=\"CPU\/GPU governors\" src=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.2-1.png\" alt=\"CPU\/GPU governors\" width=\"695\" height=\"239\" srcset=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.2-1.png 695w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.2-1-300x103.png 300w\" sizes=\"auto, (max-width: 695px) 100vw, 695px\" \/><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Keep in mind, that your aim here is not to fuel real-world performance, but to have comparable metrics between the runs.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Then you need to experiment and tailor the shell script to the device you\u2019ll be using.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"3_Flutter_Driver\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">3. Flutter Driver<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">Flutter driver allows you to implement your app automatically. Here\u2019s how:<\/span><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Don\u2019t implement your app manually when testing the performance of your app, use Flutter drivers to ensure that you\u2019re comparing every aspect of the flutter app.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Make sure you write an effective flutter driver code so that it implements and provide you with what you really want to measure. If you\u2019re developing a general app try to walk through every aspect of your flutter app being a user.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">In case, if your app has an element of chance mock those out.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">If you want to add custom timeline events you can do so by using Timeline\u2019s startSync () and finishSync () methods.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">It is crucial to save both the summary and imperatively the raw timeline while running your flutter app test.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">For every version of your test, implement it many times<\/span><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1955 size-full\" title=\"flutter app test\" src=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.3-1.png\" alt=\"flutter app test\" width=\"1471\" height=\"1154\" srcset=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.3-1.png 1471w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.3-1-300x235.png 300w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.3-1-1024x803.png 1024w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.3-1-768x602.png 768w\" sizes=\"auto, (max-width: 1471px) 100vw, 1471px\" \/><\/p>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"4_Timeline\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">4. Timeline<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">Timeline is the raw output of your profile runs that flutter dumps in JSON file and you can load it into chrome:\/\/tracing.<\/span><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">You need to learn how you can open a full timeline in Chrome\u2019s tracing line timeline. All you need to do is just add chrome:\/\/tracing in a browser in Google Chrome and click on \u201cLoad\u201d and select the JSON file.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Make use of WSAD keys to walk around the timeline in chrome:\/\/tracing and 1234 change modes of operation.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">If you\u2019re setting your performance testing for the first time, then consider running Flutter driver with full Android systrace. This will give you a detailed insight into what\u2019s actually happening in the device, including CPU scaling information. <\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Now how you can run test on full Android systrace?<\/span><b> <\/b><span style=\"font-size: large;\">First, begin Android systrace with: \/path\/to\/your\/android\/sdk\/platform-tools\/systrace\/systrace.py&#8211;atrace-categories=gfx,input,view,webview,wm,am,sm,audio,video,camera,hal,app,res,dalvik,rs,bionic,power,pm,ss,database,network,adb,pdx,sched,irq,freq,idle,disk,load,workq,memreclaim,regulators,binder_driver,binder_lock. Then start the app with: flutter run test_driver\/perf.dart &#8211;profile &#8211;trace-systrace. In the end, start the Flutter Driver with: flutter drive &#8211;driver=test_driver\/perf_test.dart &#8211;use-existing-app=http:\/\/127.0.0.1:NNNNN\/.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"5_Metrics\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">5. Metrics<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">We recommend you to look at as many metrics as possible, yet we\u2019ve outlined some useful ones being experienced by flutter\u2019s i\/O app developers:<\/span><\/p>\n<ul>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">Build times and rasterization times are only implementable for rigid performance tests that don\u2019t comprise much besides building UI.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">We suggest you not view timeline frame as a way to compute frame per second (FPS) because flutter profiling tools don\u2019t equip you with real frame rate information.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">You retrieve maximum data by measuring the total CPU time spent running Dart code. These count codes execute themselves every time, be it in your build methods or outside them.<\/span><\/p>\n<\/li>\n<li>\n<p align=\"justify\"><span style=\"font-size: large;\">One of the best and easiest ways to understand the total CPU time spent running Dart code is to measure the extent of MessageLoop: FlushTasks events in the timeline. <\/span><\/p>\n<\/li>\n<\/ul>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1956 size-full\" title=\"FlushTasks\" src=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.4-1.png\" alt=\"FlushTasks\" width=\"678\" height=\"304\" srcset=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.4-1.png 678w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.4-1-300x135.png 300w\" sizes=\"auto, (max-width: 678px) 100vw, 678px\" \/><\/p>\n<h2 class=\"western\" align=\"justify\"><span class=\"ez-toc-section\" id=\"6_Results\"><\/span><span style=\"color: #000000;\"><span style=\"font-family: Calibri, serif;\"><span style=\"font-size: large;\">6. Results<\/span><\/span><\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">Once you\u2019re done with setting up your flutter app performance, you\u2019ll be able to compare experiments and commits with confidence. Here\u2019s an answer to your common dilemma \u201cIs this optimization worth the maintenance overhead?\u201d<\/span><\/p>\n<p align=\"justify\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1957 size-full\" title=\"Results\" src=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.5-1.png\" alt=\"Results\" width=\"1430\" height=\"1779\" srcset=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.5-1.png 428w, https:\/\/websitelaravel.concettoprojects.com\/blog\/wp-content\/uploads\/2019\/06\/1.5-1-241x300.png 241w\" sizes=\"auto, (max-width: 1430px) 100vw, 1430px\" \/><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">It seems that in this specific scenario the answer is \u201cYes\u201d. With only a few more lines of codes, each automated walkthrough of your apps takes 12% on an average less time of CPU.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: large;\">In a nutshell, we would say that you should embrace this sentence \u201cit depends\u201d forever when running performance optimization for your flutter apps because in another scenario it might show you some different results.<\/span><\/p>\n<h2 align=\"justify\"><span class=\"ez-toc-section\" id=\"Are_You_Looking_For_The_Best_Flutter_App_Development_Companies_That_Offer_Reliable_Flutter_App_Development_Services\"><\/span><span style=\"font-size: large;\">Are You Looking For The Best Flutter App Development Companies That Offer Reliable Flutter App Development Services?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p align=\"justify\"><span style=\"font-size: large;\">No need to worry, we\u2019ve got you covered! We at Concetto Labs offer impeccable <span style=\"text-decoration: underline;\"><a href=\"https:\/\/www.concettolabs.com\/flutter-app-development\" target=\"_blank\" rel=\"nofollow\">flutter app development services<\/a><\/span> as we are equipped with the right team, infrastructure, and technology to deliver quality services. For more details, you can drop an email at <span style=\"text-decoration: underline;\"><a href=\"mailto:info@concettolabs.com\" target=\"_blank\" rel=\"nofollow\">info@concettolabs.com<\/a><\/span><\/span><\/p>\n<style>\n.blog-block-1{background:url(https:\/\/www.concettolabs.com\/blog\/wp-content\/uploads\/2020\/08\/app-development.png);background-position: center;background-repeat: no-repeat;background-size: cover;width:100%;margin: 0 auto;padding: 20px 60px 80px;text-align: center; }.blog-block-1 h3{font-size: 40px;color: #fff;line-height: 60px;text-align:center;}.blog-block-1 p{color: #fff;font-size: 20px;}a.blog-btn-1{padding:10px 30px;background: #fbbf13;color: #fff!important;font-size: 18px;border: 0;cursor: poi<span data-mce-type=\"bookmark\" style=\"display: inline-block; width: 0px; overflow: hidden; line-height: 0;\" class=\"mce_SELRES_start\">\ufeff<\/span>nter; text-align:center}.blog-block-1 p{text-align:center;color:#fff!important;}<\/style>\n<p>&nbsp;<\/p>\n<div class=\"blog-block-1\">\n<h3><span class=\"ez-toc-section\" id=\"Performance_Testing_of_Flutter_app\"><\/span>Performance Testing of Flutter app<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><a class=\"blog-btn-1\" href=\"https:\/\/www.concettolabs.com\/inquiry\" target=\"_blank\" rel=\"nofollow\">Contact Us<\/a><\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_71 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#1_Basic_advice\" title=\"1. Basic advice\">1. Basic advice<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#2_CPUGPU_governors\" title=\"2. CPU\/GPU governors\">2. CPU\/GPU governors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#3_Flutter_Driver\" title=\"3. Flutter Driver\">3. Flutter Driver<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#4_Timeline\" title=\"4. Timeline\">4. Timeline<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#5_Metrics\" title=\"5. Metrics\">5. Metrics<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#6_Results\" title=\"6. Results\">6. Results<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#Are_You_Looking_For_The_Best_Flutter_App_Development_Companies_That_Offer_Reliable_Flutter_App_Development_Services\" title=\"Are You Looking For The Best Flutter App Development Companies That Offer Reliable Flutter App Development Services?\">Are You Looking For The Best Flutter App Development Companies That Offer Reliable Flutter App Development Services?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/websitelaravel.concettoprojects.com\/blog\/performance-testing-of-flutter-app\/#Performance_Testing_of_Flutter_app\" title=\"Performance Testing of Flutter app\">Performance Testing of Flutter app<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The flutter framework does an amazing job just by being super faster than too by default. However, that doesn\u2019t mean you\u2019ll overlook its performance completely. Every new technology or trend has its own pros and cons, and so is the case with Flutter app performance test, it is extremely slow comparatively. Besides this, you can [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1840,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[1314,1315,1316,1026,1317,1318,1319,1320,1321,1322,1323,1324,1325,1326,1327,1328,1329,1330],"class_list":["post-1952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-android-app-performance-testing","tag-angularjs-performance-testing","tag-flutter-app-development-companies","tag-flutter-app-development-services","tag-flutter-app-performance","tag-flutter-app-performance-test","tag-flutter-battery-optimization","tag-flutter-performance","tag-flutter-performance-testing","tag-flutter-test-automation","tag-flutter-web-performance","tag-how-to-test-flutter-app-on-iphone","tag-ios-app-performance-testing","tag-ios-app-performance-testing-tools","tag-run-your-flutter-app","tag-test-flutter-app-on-iphone","tag-testing-flutter-apps","tag-testing-the-flutter-app"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Performance Testing of Flutter app - concettolabs<\/title>\n<meta name=\"description\" content=\"Looking for high performance flutter app? 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