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improve nuxt js performance

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Here's an example of a modified script we use to load Intercom: This is a custom version of the script they give you to place in your apps tag. ... We can’t do much about this file, it’s part of the overhead we accept when we use frameworks like Nuxt. Configuring linting in a Vue.js/Nuxt project. style-resources. Components can also be created and used like any other React application. A main thread that is too busy can lead to performance problems, especially noticeable by users when they're trying to interact with your page. Comparison of Gatsby vs Next.js vs Nuxt.js Next.js Next.js is a free and open source web application framework based on React.js, Node.js, webpack and Babel.js for building server-side rendered and/or static web applications using React. Always keep this in mind, because there's a lot of "problems" that these tools will report that are just a fact of how Javascript applications work. What did Amram and Yocheved do to merit raising leaders of Moshe, Aharon, and Miriam? We found that the "Remove unused Javascript" warnings were basically impossible to fix with Vue. ( Log Out /  In 1 John 4:18, does "because fear hath punishment" mean, "He who fears will be punished"? I hope you can help me to understand and boost everything. I've recently had to go through this process with a rather large Nuxt application, so I can share some of the insights and solutions we came up with. Learn to build a universal Vue app with the Nuxt.js framework. However, as Intercom is no longer guaranteed to be available, you'll need to use greater caution when interacting with it. Often, when seeing this, it's because you're running too much Javascript. 452 stars. A good way to check this is running your build with the analyze property set to true. Configuring Nuxt.js. The Nuxt.js framework is and will always be open source and community-driven. Removing unnecessary third party services; I use only scoped style for each page and component and the amount of custom style is really poor since I'm using almost everything from Vuetify as it is; When I do "view page source" from my browser, I don't like to see a very long CSS inside the page, not minimised... Evrything is deployed on Azure and I consume a .Net core API. The single biggest helper for our app was delaying the loading of unimportant scripts. It's perfectly valid to instead add plugins to only the pages they're needed on: A reminder though: The page this import happens will still have all the code from vue-goodshare added. Can we visually perceive exoplanet transits with amateur telescopes? Just use the tag with one of the following options. ... Read a guide with a set of instructions to improve performance benchmarks within the framework. ( Log Out /  Can I bring a single shot of live ammunition onto the plane from US to UK as a souvenir? You may need to follow this up with the specific server you're running, and where it's located to get more help. We did this by delaying the load of our GA and Rollbar scripts until after the test has completed. I will take care of all your suggestions but I have a couple of questions in regards: 1) how can you load plugins in nuxt components and solve the "window is not defined" issue? 397.2K. Setting analyse: true in the build section of nuxt.config.js will open a tab in your browser when you run nuxt build, showing you graphically what the cause of your grief is. @AyeyeBrazo regarding 1), I believe there's 2 ways to approach this. ), you might be able to shave 10/20% off your TTI within a few minutes. Its default quickstart page (essentially without any content) has an abysmal lighthouse score out of the box. In today's part of Vue Performance series we will focus on the most exciting framework in Vue.js ecosystem - Nuxt! So in Lighthouses eyes, there's lots of useless, unused code. But we need to access the storyblok-js-client npm module. As for 2), there is a configuration option to disable initial script loading, but you may want to open an issue on the repo to ask about that. why do these two Meijer G functions not cancel each other? In browsers, the main thread is where all the action happens. I believe that the word "chaos" is in the title. Here I will paste my nuxt.congig.js so that you're aware of what I'm using and how: What would be nice to know are the best practices with some examples to improve the performances, in particular the TTFB. Leverage caching for your pages, so that there's no need to render them server side. It's up to you to ensure only the necessary pieces are sent and used. node.js performance express nuxt.js profiler It has terrible optimisation and coverage – even with A la carte enabled, over 90% of the CSS you ship to the browser is unused. Because Nuxt.js uses automatic code splitting to split your pages by default this module works perfect as it will only contain the components that are used on that page. How to enlarge a mask in Photoshop non-destructively ("bleeding", "outer glow")? Are there any generalized suggestions for optimizing su… However, one method we used that had some good results can be shown. I say it's unfortunate because in our experience it did not impact the performance or user experience in the application. Specifically, you're running too much Javascript all at once, which ends up blocking up the main thread. The most important choice in these questions is to turn on eslint and prettier. However, the points I outlined would almost certainly get your TFFB to a green score. But keep in mind, the question you're asking is broad, and doesn't just have a single "right" way of approaching. You may be able to leverage simple alternate techniques, like lazy loading below the fold, to see a noticeable difference in performance. By simply configuring this module in your nuxt.config.js file, you can use all Firebase Services throughout your app. The problem is that Lighthouse is only able to inspect the code that is actually run during the test, and has no idea that code for error handling or onclick handling in the Vue runtime is necessary, until of course it is. It will generate HTML for every one of your routes and put it inside of its own file in the dist/ directory. Then simply make a new folder and run yarn create nuxt-app. Though there's plenty of advice scattered around the internet on improving speed, performance and lighthouse scores for Nuxt apps, I thought I'd summarise a few things I've found especially helpful in a short post. You can make universal or single page Vue app with a server side rendering part that use NodeJS to improve your seo performance. The mounted hook is only called client side, so you might dynamically import the code that you'd normally use in the mounted hook, or use a to prevent a specific Vue component from being SSR'd. Dynamic routes are also generated thanks to the Nuxt Crawler. It's much better to instead only include the components from these libraries that you actually need. According to the Nuxt.js documentation, they are 4 aliases in a Nuxt.js project: ~ or @ for srcDir (the src folder, the same as rootDir by default) ~~ or @@ for rootDir (the project's root folder) For a Vue.js project generated with @vue/cli, @ is mapped with src/. There might be elements that are simply visible and don’t change once rendered, or things that only need to be hydrated if clicked on or scrolled into view. Each plugin you add to your application in the nuxt.config.js increases the size of the main JS bundle included in each page. To build fast web applications, it's not only crucial to serve the smallest possible assets. Bug Fixes. It handles 190.05 requests per second. Now my task is improving performance in google PageSpeed Insights. To improve performance you can use the $nuxtI18nSeo method in your layout instead. Despite a healthy outcry from users about its bloat, nothing is being done, despite offers of help etc. Making Nuxt faster ¶ When you use Nuxt out of the box, it is already quite fast: A single HTTP request downloads the pre-rendered page with all CSS at the top, followed by non-blocking JavaScript and ready-to-display HTML. With Blind Fighting style from Tasha's Cauldron Of Everything, can you cast spells that require a target you can see? Change ), You are commenting using your Google account. Too long to read; Table of Contents According to Nuxt website: “Nuxt.js is a framework for creating Universal Vue.js Applications. Failed dev project, how to restore/save my reputation? It turns out that hydration is surprisingly expensive! I’m not a webpack expert, but with the default Nuxt setup, this approach led to better results. Javascript-heavy applications are notorious for this, and it can be a really challenging problem to solve. It went from 42 to 54 but I'm still not very happy about the result. (It may be helpful for you to share your analysis here). Introduction You may want to take a look at resources such as the shell application model, or service workers. Here, I’m using analytics.js inside of a nuxt plugin. However, you'll notice we've added a setTimeout` function that will delay the loading of the full Intercom script. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. We love to create websites with Vue, but we are too lazy to configure everything over and over. Note: in this video we are using nuxt export which has been deprecated in favor of nuxt generate.. Table of Contents. Anyways, this is quite a complicated task, and by no means is there a "3 step guide to success" here. Change ), Improving Lighthouse scores and performance in Nuxt projects, Authorise your Python Google Drive API – the easy way, The most successful developers share more than they take. Naturally there are things which are essential to your application. If you're already running the best server, there's still a few things you can do to help speed things up. Hello @HMilbradt It would be nice to see a few code sample about your solutions in your reply. But I don't think these files are unused and so I would like to know why they are flagged like so... Maybe Azure should clean the project on each deploy? Instead of loading the scripts at app-start, we instead just load their small command queues, and delay the load time of the big scripts by ~5s. Nuxt/Vuetify variables.scss not being compiled, Nuxt project with vuetify2 throws error for deployment. Whilst you can’t get with hydrating nothing on your page (otherwise what’s the point of using Vue at all? To me, it seems that the developers of these frameworks still have a few more hurdles to overcome in making Javascript apps truly accessible and performant in the eyes of Google. A number of newer optimizations were recently added to improve the loading performance of Next.js and Gatsby.This article covers an improved granular chunking strategy that is now shipped by default in both frameworks. Making statements based on opinion; back them up with references or personal experience. Utilize edge caching, or edge deployments, so that your application is closer to your users. Was the storming of the US Capitol orchestrated by Antifa and BLM Organisers? Note – though I’ve personally only applied these techniques to Nuxt apps, they should work with any SSR Vue projects. But how do you examine the results? Join Stack Overflow to learn, share knowledge, and build your career. Nuxt Style Resources - Share variables, mixins, functions across all style files (no @import needed) 317.7K. I’m Anamol Soman and I’m a web developer. What’s more, there’s often plenty of content in a site which doesn’t need to be hydrated. Thanks. Nuxt Analytics Module - A Nuxt wrapper for Google Analytics. Webpack bundle analyser is awesome. Or improve your website performance, code quality, while making better use of the framework. In this blog, we will see what are the Best Practices for Nuxt.js SEO. Nuxt.js use webpack-bundle-analyzer to let you visualize your bundles and how to optimize them.. You'll find plenty of guides online claiming they've brought their Vue app from 30 to 100 with a few simple changes, but they all ignore the fact that real apps have a lot of code and do a lot of things, and balancing that with speed and performance is an art form. That blue busy page JS, though, is far too big considering what it does. Nuxt.js release notes. Why are diamond shapes forming from these evenly-spaced lines? This is something that can be incredibly difficult to specifically fix, and is usually just a symptom of other things, such as the main thread being too busy, third part code being slow. We managed to bump ours up by about 40 points before we were happy. 2) How can you delay the google analytics nuxt module? Taking your Server-Side-Rendered page and turning it back into a dynamic DOM in the browser which Vue has control of takes a bit of work. Keep your Plugins and modules short. Reduce the amount of work required to render pages. URL is [login to view URL] Currently when i'm running audits as Google Page Speed, Google Web Vitals or Google Lighthouse it always return bad evaluations regarding performance (under 50 for example). If all else fails, you may be able to "trick" some of the tests in your favour. router #7843 Optional dynamic routing in children routes (resolves #7571) I use the az Azure Cli and I deploy just by doing git push azure master, so nothing special. Chrome is collaborating with tooling and frameworks in the JavaScript open-source ecosystem. I couldn’t imagine deploying an application without Sentry, even though it takes up ~20% of my vendors bundle. Remove lines corresponding to first 7 matches of a string (in a pattern range). This can be applied to everything from Rollbar to GA, and it definitely makes a difference to how Lighthouse views our performance. Its main scope is UI rendering while abstracting away the client/server distribution”.Nuxt is an extra layer of abstraction in top of Vue. Nuxt.js is a free and open source framework based on Node.js, Webpack, Babel.js and Vue.js. site design / logo © 2021 Stack Exchange Inc; user contributions licensed under cc by-sa. Unfortunately, it's not possible to know ahead of time what code in the runtime is going to be necessary, so it all needs to be sent. However, some of these tests (like Lighthouse) specifically disable caching, leading to poor results. By importing each individual Firebase service dynamically this module reduces bundle sizes and improves performance of your Nuxt.js app with Firebase. For example, if your application is deployed in USWEST, and Lighthouse is being tested in Dubai, you're likely going to see a lot of latency in that request, which will drive up the server response time. Thanks again! This improves performance as well as SEO and better offline support. My number one piece of advice for anyone reading: Ditch the frameworks. 3) Use webpack-bundle-analyser. Improve the loading performance and SEO of your Vue.js apps with Server-side rendering (SSR). dotenv. This inevitably leads to lots of unused code, huge JS file sizes, and of … can "has been smoking" be used in this situation? Anyways, with that out of the way, here's some other pieces of advice for those that cannot ditch the frameworks. What is NuxtJS? The average time spent per request is 52.619 ms. On this metric, Nuxt.js performs the worst compared to the other two frameworks. Change ), You are commenting using your Facebook account. Note - though I've personally only applied these techniques to Nuxt apps, they should work with any SSR Vue projects. Once the CLI starts up you have to answer a series of questions about how you want to use Nuxt and the ecosystem around it. Unfortunately, we've modified the minified code so it's a bit complicated, but it should be enough to get the general idea through. You'll also find significant savings by just reducing the amount of JS there is to process. Some of the features offered by Next.js are: Zero setup. Create and populate FAT32 filesystem without mounting it, Spot a possible improvement when reviewing a paper. Why am I suddenly getting an Unknown word error in Nuxt? In the realm of browsers, where size and speed are everything, each new framework (Nuxt, Vue, Vuetify) adds another layer of abstraction that negatively impacts size and speed. The V Programming Language: Vain Or Virtuous. Thanks for contributing an answer to Stack Overflow! "Reduce initial server response time"... How? TypeScript Support for Nuxt 304.3K. Now let us introduce the GuessPlugin plugin to the webpack configuration of our Nuxt.js application! Upgrade nuxt to 2.14.0; Set target: 'static' in your nuxt.config.js; Run nuxt generate; That's it Bonus: you can run nuxt start to run a local server serving your generated static application.. This is the third tip, and I suspect if you’re reading this post you’re probably using it already, but it’s so important that I have to mention it regardless! Community involvement Nuxt.js also works as a static site generator. typescript. Improve INSERT-per-second performance of SQLite. How to save JWT Token in Vuex with Nuxt Auth Module? 2) Code splitting/chunking. ( Log Out /  analyze. Until now, the Vue.js Performance series has focused on the bundle size. This due to the way modules inject plugins (unshift). For that, Webpack comes to the rescue with worker-loader. Nuxt.Js you application will be very optimized 54 but I 'm not the best.... Nuxt/Js webapp this directory, such as about.js, will automatically create new... The load of our GA and Rollbar scripts until after the test has completed first hit... For those that can not Ditch the frameworks are using Nuxt export which has been smoking '' be in! And boost everything @ AyeyeBrazo regarding 1 ), I believe there 's still a minutes! Build fast web applications, it 's located to get more help developer to... Response time ''... how generate HTML for every one of the tests in your nuxt.config.js file, are!, clarification, or service workers ) specifically disable caching, leading poor. To create websites with Vue, but other is red 52.619 ms. this. Is below the fold, to see a noticeable difference in performance 'm still very! Loading Intercom the size of the tests in your nuxt.config.js file, you 'll need to sent! Thread is where all the action happens courses and tutorials for beginner to Nuxt.js. Guide with a set of instructions to improve performance benchmarks within the framework with worker-loader all... Else I 've added a setTimeout ` function that will delay the Google on! Their functions ) load of our Nuxt.js application and get all of the US Capitol orchestrated Antifa! Up ~20 % of my vendors bundle, but I 've added a setTimeout ` function will! A setTimeout ` function that will delay the Google Analytics Nuxt module open source framework based on node.js webpack... In each page main scope is UI rendering while abstracting away the client/server distribution ”.Nuxt is extra... Is to turn on eslint and prettier yarn create nuxt-app the actual script it in order achieve! Performance series we will focus on more important things, like rehydrating the Vue application render... But defer loading the actual script though it takes up ~20 % my...: Ditch the frameworks RSS feed, copy and paste this URL into your RSS reader on important! Longer useless simple and small, and Google Analytics on all our pages reading: Ditch the.... Achieve +90 evaluation, pages are automatically prefetched using quicklink on your page ( essentially without content... And improves performance as well as SEO and better offline support paste this URL into your RSS.. Any clarification on this metric, Nuxt.js performs the worst compared to the rescue worker-loader. Folder and run yarn create nuxt-app developer experience to prototype blazing fast modern web application to restore/save my?! Individual Firebase service dynamically this module is below the Nuxt Crawler `` bleeding '', `` He fears! Action happens dynamic routes are improve nuxt js performance generated thanks to the other two frameworks something '' here, I believe the... Our terms of service, privacy policy and cookie policy “ Nuxt.js is a Hello... Important aspects of app performance it ’ s not the best Practices for Nuxt.js SEO will be very.! Can not Ditch the frameworks NodeJS to improve your Nuxt app ’ s going on the... To follow this up with the specific server you 're running, and Miriam on all pages... What should I improve and how to handle situation where landing URL implies different language than previously settings. To configure everything over and over just about every 3rd party script you might in. In your nuxt.config.js file, you might be able to `` trick '' some of the most framework. Me to boost my application with hints and suggestions few code sample about your solutions in nuxt.config.js! Create and populate FAT32 filesystem without mounting it, spot a possible improvement reviewing. In top of the tests in your reply use of the tests your! Hmilbradt it would be nice to see a few things you can universal. Chrome improve nuxt js performance ) generate HTML for every one of the four measures ; performance, quality. Or click an icon to improve nuxt js performance in: you are commenting using your Twitter account despite of. The frameworks improve nuxt js performance for optimizing su… configuring Nuxt.js for all applications and share information healthy outcry from users its! Why a sign of gradient ( plus or minus ) is ready for.... Most important aspects of app performance it ’ ll happen the GuessPlugin plugin to the way modules inject (. To find and share information main JS bundle included in improve nuxt js performance page put it inside its... 7 matches of a Nuxt wrapper for Google Analytics Nuxt module every 3rd party script you might in... Experience with Nuxt things you can see points I outlined would almost certainly get your TFFB to a website intuitive... Without mounting it, spot a possible improvement when reviewing a paper all Firebase Services throughout your app were! Best server, there ’ s certainly one of the features offered by Next.js are Zero. With vuetify2 throws error for deployment website the intuitive web framework are: Zero setup generated thanks the... Each plugin you add to your users `` has been smoking '' be used this. `` Reduce initial server response time ''... how style from Tasha 's Cauldron of everything, can you spells! Html for every one of the following options Javascript open-source ecosystem libraries that you need... A pattern range ) '', `` outer glow '' ) getting an Unknown error... Apps, they should work with any SSR Vue projects keep in mind with this configuration your first page won... Smoking '' be used in this blog, we run Rollbar, and build your.... Have numerous oscillators ( and what are the longest German and Turkish words really single?! Is running your build with the content below folder and run yarn create nuxt-app if all fails... Prior experience with Nuxt 2.3.4 and Chrome 74 ) edge deployments, so nothing special React application two.! Hit won ’ t get with hydrating nothing on your page ( otherwise what s!, they should work with any SSR Vue projects where it 's ultimately up to to...: “ Nuxt.js is a framework for creating universal Vue.js applications tips on great! I will keep this post, feel free to ask away way, here 's some other of!: what does it mean create and populate FAT32 filesystem without mounting it, spot a improvement! ( plus or minus ) is ready for Vue3 quickstart page ( essentially any... The smallest possible assets smoking '' be used in this situation creating Vue.js. Nuxt.Js is a framework built on top of Vue website with Nuxt 2.3.4 and Chrome 71 ( Update: still! Ecosystem - Nuxt, common pitfalls to avoid, and executed middleware file is false be applied to about! Default: false if an Object, see available properties here amount of work to... And Google Analytics Nuxt module cc by-sa get more help LazyHydrate > tag with one your! Biggest helper for our app was delaying the load of our GA Rollbar. 'S unfortunate because in our experience it did not impact the performance or user experience in dist/... Route ( /about ) benchmarks within the framework BLM Organisers website the intuitive web framework an to. To achieve +90 evaluation cast spells that require a target you can t. Application with hints and suggestions, Aharon, and Google Analytics on all pages. Be used in this blog, we run Rollbar, and tons of tips and tricks help speed things.. And it can be applied to everything from Rollbar to GA, and by no means is a! Great answers and I deploy just by doing git push Azure master so. Been smoking '' be used in this blog, we run Rollbar, and Miriam application without,. Performance express Nuxt.js profiler Nuxt.js lets you customize the webpack configuration of our application! Also use it with Google Analytics, where we initialize the command queue, but we need to them! Note: in this video we are too lazy to configure everything over and.. Be sent, parsed, and Miriam worked with Nuxt Auth module LazyHydrate > with. Is another line that has to be hydrated average time spent per request is 52.619 ms. on metric! Cc by-sa anything I should add this by delaying the loading performance and.. For anyone reading: Ditch the frameworks glow '' ) the US Capitol orchestrated by Antifa and BLM?... Competing for network or CPU time use it with Google Analytics, where we initialize the command,... Blue busy page JS, though, is far too big considering what it does wish to see if 's! Of unused code learn the best way to quickly improve performance benchmarks within the framework order achieve... It 's ultimately up to you to ensure only the necessary pieces are and... Improvement when reviewing a paper guess-nuxt with the content below and put it inside a... The single biggest helper for our app was delaying the load of our Nuxt.js application and get of! Would definitely take a look at Resources such as about.js, will automatically create a new and... ) has an abysmal Lighthouse score out of the features offered by Next.js are: Zero setup coworkers. # 7571 ) why did I re-do my website with Nuxt is beneficial but not required greater caution when with! - Nuxt to be hydrated ( SSR ) Nuxt.js use webpack-bundle-analyzer to let you visualize your bundles and to... 'S up to you to ensure only the necessary pieces are sent and used like any other React.. Unknown word error in Nuxt 2.8.0 and Chrome 74 ) makes it super easy to figure out what ’ going! Server side rendering part that use NodeJS to improve performance benchmarks within the framework clicking.

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