Javascript seo - Discover why infographics are integral to SEO, and how you can add them to your search optimization strategy. Trusted by business builders worldwide, the HubSpot Blogs are your num...

 
Наша цель, как SEO-специалистов, облегчить процесс сканирования контента и по возможности избегать проблем, которые часто возникают при обработке страниц, использующих JavaScript.. Data integration meaning

JavaScript is dealt with later because Google needs more resources to process it. Learn more: JavaScript SEO: How to Optimize JS for Search Engines. But, despite being capable of handling JavaScript redirects, Google advises you to avoid using them if possible due to their high resource consumption and …JavaScript SEO falls under the third category — technical SEO — which focuses on ensuring your site is searchable, indexable, and crawlable so people …В мае 2020 в одном из видео о JavaScript для SEO Мартин Сплитт заверил веб-мастеров, что очередь рендеринга теперь движется намного быстрее, и страница воспроизводится в течение нескольких минут или даже секунд.สำหรับตัวอย่างการใช้ JavaScript สำหรับ SEO Content นั้น เว็บไซต์สมัยใหม่จะถูกสร้างด้วย Framework JavaScript เช่น Angular, React และ Vue Framework ซึ่ง JavaScript สามารถช่วยให้นักพัฒนาสร้างและ ...Dec 7, 2018 · Javascript SEO — O que você precisa saber sobre indexação de sites Javascript. Vitoria Maldonado. Dez 07, 2018 8 min de leitura. Hoje em dia cada vez mais sites estão utilizando o JavaScript no processo de construção de sites. A linguagem se mostra muito versátil para o desenvolvimento web: através da utilização de frameworks e ... Лучшие рекомендации по SEO для JavaScript‑сайтов. На этом этапе вы уже имеете представление о том, как Google и другие поисковые системы работают с JavaScript. Давайте разберём некоторые из лучших ...JavaScript is dealt with later because Google needs more resources to process it. Learn more: JavaScript SEO: How to Optimize JS for Search Engines. But, despite being capable of handling JavaScript redirects, Google advises you to avoid using them if possible due to their high resource consumption and …Hi! I'm Dave Smart, I am a technical SEO consultant and developer from Manchester in the United Kingdom. I have been building sites for 24 years. I love working out what makes sites perform how they do in Google and other search engines. The challenges facing larger-scale sites, e-commerce, and JavaScript framework …Полное руководство по JavaScript SEO — часть 1. В этой статье вы узнаете: как Google и другие поисковые системы работают с JavaScript, как проверить есть ли на вашем сайте какие-то проблемы с JavaScript, каковы ...1. Be persistent with your on-page SEO efforts. 2. Avoid blocking search engines from accessing JS content. 3. Use relevant HTTP status codes. 4. Fix lazy …Headless SEO in WordPress, with Yoast SEO. At Yoast, we’re convinced that JavaScript websites are only going to become more popular, more powerful, and preferred by users. But the current standards and tools let these websites down. That’s why, in Yoast SEO 14.0 (in April 2020), we added a …Angular Is an Evolution of JavaScript. Angular is a way of scaling up JS to build sites. With Angular, a dozen lines of flat HTML sent from your server unfurl and execute personalized interactive ...In it, we'll review the 8 most frequently occurring issues with JavaScript SEO we've personally encountered — as well as how to resolve them. Table of Contents. (2:49) JS SEO Issue #1: Only a Portion of the Page/Content is Getting Crawled or Indexed. (5:19) JS SEO Issue #2: Entire URLs, Pages or …JetOctopus for JavaScript SEO. JetOctopus is a website crawling tool that enables you to easily audit for common Javascript SEO issues. Solve your Javascript SEO problems at scale with the fastest and most affordable crawler in the market. Use our JS performance tool to check JS execution load time, with First Paint, First …The Definitive JavaScript SEO Guide offers both best practices and advanced insights to help overcome these challenges. Below, we outline critical components of a successful strategy. The Basics: JavaScript and Search Engines. Search engines like Google have improved their ability to process JavaScript, but there are still limitations.Learn how Google processes JavaScript web apps and how to optimize them for Google Search. Find best practices for crawling, rendering, indexing, and troubleshooting JavaScript issues. See moreOnce that’s done, you can start making the edits you want to your meta tags using the intuitive, visual editor, without fear of making permanent changes to your site’s code. Simply go to the page you want to optimize, select ‘Basic tags’ and type in your text using the handy character counters to guide you. You can then publish the ...Sep 8, 2023 · JavaScript SEO is the practice of optimizing the JavaScript on a website to maximize the website’s ability to rank in search engines like Google. Since we’re optimizing on-page elements, and since it directly affects technical SEO metrics , JavaScript SEO generally falls into the category of technical SEO . Mar 7, 2023 ... JavaScript content indexing basics. If you are a less advanced SEO auditor, this is the section for you. What is JavaScript-generated content?127. There are a lot of cool tools for making powerful "single-page" JavaScript websites nowadays. In my opinion, this is done right by letting the server act as an API (and nothing more) and letting the client handle all of the HTML generation stuff. The problem with this "pattern" is the lack of search engine support.JavaScript SEO challenges. We’ve asked experts from the Onely SEO agency about their findings and recommendations regarding PWA SEO techniques. After conducting a series of experiments with the modern JS frameworks vs Google, the findings they presented are really interesting: 1. The fate of Chrome 41.Mar 27, 2023 · JavaScript SEO: Ausführlicher Leitfaden. Eine gängige SEO-Herausforderung besteht darin, Google dazu zu bringen, JavaScript Content zu indexieren. In diesem Leitfaden erfährst du alles, was du über JavaScript SEO wissen musst. Wir gehen auf häufige Probleme und Lösungen ein und zeigen dir, wie Suchmaschinen mit JavaScript generierten ... Choosing the best technique is dependent on the frequency and volume of your material. In conclusion, leveraging Next.js SSR is an effective technique to improve website speed and SEO. The ability to pre-render pages enables performance advantages and SEO capabilities that other frameworks lack. Server-side rendering (SSR) has …When it comes to learning web development languages like HTML, CSS, and JavaScript, there are countless resources available online. One of the most popular and trusted platforms is...In the world of search engine optimization (SEO), keywords play a crucial role in determining the visibility and ranking of your content. While most marketers focus on using strong...JavaScript SEO is a branch of technical SEO that makes JS-powered websites: easy for search engines to fully crawl, render, and index, accessible to users with outdated browsers, keep their metadata and internal linking consistent, load fast despite having to parse and execute JavaScript code. JavaScript is extremely popular.Jul 16, 2020 · JavaScript SEO es parte del SEO técnico (Search Engine Optimization) que busca hacer que los sitios web con mucho JavaScript sean fáciles de rastrear e indexar, así como amigables para la búsqueda. El objetivo es que estos sitios web se encuentren y se posicionen más alto en los motores de búsqueda. Wrapping up – JavaScript errors do hurt SEO. It is clear that JS can have a significant impact on search engine optimization. Whilst JavaScript goes a long way towards delivering an improved user experience, it can also create issues with indexing and even result in your website being ranked lower in search results.JS best practices for SEO. When deploying a website using JavaScript, it’s important to keep aspects of SEO firmly in mind. These range from the technical — ensuring the page renders within 3-4 seconds without errors — to content-based SEO issues like meta tags and navigation links. Here are some JS best practices for SEO.JavaScript is more complex than HTML. To realize what is most important for SEO, you should firstly try to understand how JavaScript works: 1. Initial Request: The browser and the search engine bot start a GET request for the HTML code of the website and its affiliated assets. 2.Learn more about JavaScript SEO. This was a beginner/intermediate guide on JavaScript indexation. I strongly recommend you learn more about the topic as it is super interesting and super important for any technical SEO or SEO auditor. Here are the resources I recommend you check: The JavaScript SEO basics documentation on …You need to enable JavaScript to run this app.Javascript SEO – это практика поисковой оптимизации сайтов, использующих JavaScript для вывода контента. Основная проблема сайтов, использующих …SEO challenges: JavaScript can pose some challenges for SEO, such as the need to make sure that your JavaScript content is crawlable and indexable by search engines. Additionally, JavaScript can sometimes impact the performance of a web page, which can also have a negative impact on SEO.JavaScript SEO for Rendering, Crawling & Indexation . 1. Ensure the Use of Dynamic Rendering for JavaScript Content. To start, it is important to know straight away that the way your eComm site renders code is paramount to how Google will index your JavaScript content.Oct 14, 2020 · JavaScript SEO 是技术 SEO(搜索引擎优化)的一部分,旨在使包含较多 JavaScript 网站容易被抓取和索引,以及更加搜索引擎友好。目标是为了使这些网站可以被搜索引擎发现,并获得更高的排名。 JavaScript 对 SEO 是有害的吗?JavaScript 是魔鬼吗?完全不是。 Jul 5, 2023 ... Does anyone know how to fix these problems? Problem 1: Too large JavaScript and CSS total size - - -About the issue: this issue is triggered if ...Oct 6, 2022 · Once that’s done, you can start making the edits you want to your meta tags using the intuitive, visual editor, without fear of making permanent changes to your site’s code. Simply go to the page you want to optimize, select ‘Basic tags’ and type in your text using the handy character counters to guide you. You can then publish the ... When it comes to learning web development languages like HTML, CSS, and JavaScript, there are countless resources available online. One of the most popular and trusted platforms is...Learn more about JavaScript SEO. This was a beginner/intermediate guide on JavaScript indexation. I strongly recommend you learn more about the topic as it is super interesting and super important for any technical SEO or SEO auditor. Here are the resources I recommend you check: The JavaScript SEO basics documentation on …Благодаря Next.js можно существенно улучшить результаты SEO, но нельзя забывать и о других аспектах приложения. Если хотите получить хорошие результаты SEO, обратите внимание вот на что: МетатегиIn the next section, we’ll delve into how to implement SSR with React.js and start reaping these SEO benefits. React Server Components As we continue to explore the world of Server-Side Rendering (SSR) with React.js, it’s important to consider an upcoming feature in the React ecosystem that has the …If so, then a separate Laravel backend is probably the better choice as you can use it to serve data to all your clients. For the web client, Next.js is a great ...JavaScript is a powerful programming language that is widely used for web development. If you’re a beginner looking to dive into the world of JavaScript, one of the best ways to le...Oct 12, 2021 · Related: Rendering SEO Manifesto: Why We Need to Go Beyond JavaScript SEO. The Layout Tree. Martin next begins talking about the Layout Tree. He’s making a reference to the Document Object Model ... Indexer. Query Engine. When it comes to JavaScript and SEO, the first two processes are what we want to focus on. Within Google, the crawler is known as Googlebot, and their indexing infrastructure is called Caffeine. They perform very different functions, and it’s important that we understand these to prevent any confusion.Open the page in the most recent version of Chrome and go to Chrome Developers Tools. Then move to the Network tab and refresh the page. Finally, select the desired resource (in our case it’s YouShallNotPass.js), right-click, and choose Block request URL. Refresh the page and see if any important content disappeared.JavaScript SEO 完全指南【2021 版】. 张亚楠. . 阿里巴巴 SEO流量专家. 有一些 SEOs 还停留在 “ JavaScript 对 SEO 不友好 ” 的阶段,但其实 JavaScript 已经成为目前 WEB 生态不可缺少的一项技术,并且 Google 早就实现了对 JavaScript 的支持 ,比如 Google 已经可以识别 JavaScript ...Полное руководство по JavaScript SEO — часть 1. В этой статье вы узнаете: как Google и другие поисковые системы работают с JavaScript, как проверить есть ли на вашем сайте какие-то проблемы с JavaScript, каковы ...JavaScript SEO involves optimizing websites that significantly rely on JavaScript technology. In the past, search engines struggled to properly index and …JavaScript is dealt with later because Google needs more resources to process it. Learn more: JavaScript SEO: How to Optimize JS for Search Engines. But, despite being capable of handling JavaScript redirects, Google advises you to avoid using them if possible due to their high resource consumption and …Turn on JavaScript in the Advanced Settings section of your mobile phone browser to enable JavaScript. You need an Android, an iPhone or a BlackBerry smartphone, and a data plan or...How to optimize JavaScript for SEO. JavaScript, when implemented incorrectly, can ruin your SEO. Follow these Javascript SEO best practices to improve your site’s ranking. Be persistent with your on-page SEO efforts. All the on-page SEO rules that go into optimizing your page to help them rank on search engines still apply.JavaScript SEO refers to the practice of optimizing websites that heavily rely on JavaScript for search engine indexing and ranking. Traditional search engine crawlers like Googlebot and Bing were primarily designed to index and analyze HTML content. However, with the rise of dynamic web applications using JavaScript frameworks like React, Angular, and …Jul 16, 2020 · JavaScript SEO ist ein Teil des technischen SEO (Search Engine Optimization), der darauf abzielt, JavaScript-lastige Websites einfach zu crawlen und zu indizieren, sowie suchfreundlich zu machen. Das Ziel ist es, dass diese Websites in Suchmaschinen gefunden werden und ein höheres Ranking erhalten. Sep 8, 2023 · JavaScript SEO is the practice of optimizing the JavaScript on a website to maximize the website’s ability to rank in search engines like Google. Since we’re optimizing on-page elements, and since it directly affects technical SEO metrics , JavaScript SEO generally falls into the category of technical SEO . javascript; next.js; seo; or ask your own question. The Overflow Blog Exploring what inspired folks to start coding. Why the creator of Node.js® created a new JavaScript runtime. Featured on Meta Our partnership with ...Nov 24, 2023 · However, with the rise of dynamic web applications using JavaScript frameworks like React, Angular, and Vue.js, SEO practitioners faced new challenges. Key Considerations and Examples for JavaScript SEO: 1. Renderability: Make sure search engines can understand your JavaScript content. This means knowing how search engine crawlers handle ... Next.js vs. Astro SEO comparison more in-depth Static site generation. Gatsby, Next.js and Astro all support SSG (Static Site Generation). Out of these Gatsby and Astro have been built mainly as SSG tools, whereas Next.js was built as an SSR tool. Nowadays Next.js does have full SSG support and is completely equal to Gatsby and …In this post, you’ll learn everything you need to know about JavaScript SEO best practices as well as the tools you can use to debug JavaScript issues. Table of Contents. Why JavaScript is Dangerous for SEO: Real-world Examples. Example 1: Website Navigation is Not Crawlable;You need to enable JavaScript to run this app.Angular Is an Evolution of JavaScript. Angular is a way of scaling up JS to build sites. With Angular, a dozen lines of flat HTML sent from your server unfurl and execute personalized interactive ...สำหรับตัวอย่างการใช้ JavaScript สำหรับ SEO Content นั้น เว็บไซต์สมัยใหม่จะถูกสร้างด้วย Framework JavaScript เช่น Angular, React และ Vue Framework ซึ่ง JavaScript สามารถช่วยให้นักพัฒนาสร้างและ ...The Astro SEO component is an effective tool for managing SEO tags and metadata within your Astro applications. This component simplifies the addition of critical SEO information, such as title, description, and canonical URL meta tags. I t takes these properties and translates them into HTML tags, adhering to best practices for SEO.Are you a beginner in the world of programming and eager to learn JavaScript? Well, you’re in luck. JavaScript is a versatile and widely-used programming language that allows you t...In the world of search engine optimization (SEO), keywords play a crucial role in determining the visibility and ranking of your content. While most marketers focus on using strong...Indexer. Query Engine. When it comes to JavaScript and SEO, the first two processes are what we want to focus on. Within Google, the crawler is known as Googlebot, and their indexing infrastructure is called Caffeine. They perform very different functions, and it’s important that we understand these to prevent any confusion.JavaScript SEO for Rendering, Crawling & Indexation . 1. Ensure the Use of Dynamic Rendering for JavaScript Content. To start, it is important to know straight away that the way your eComm site renders code is paramount to how Google will index your JavaScript content.SEO friendly – Traditional Client side rendered apps have poor SEO performance. Search engine crawlers face difficulties in indexing such pages. However, Next.js, with its server-side rendering capability, delivers an excellent SEO performance. Next.js allows us to create dynamic meta tags in the head section to optimize SEO.JavaScript SEO: Các trang web đang trong thời kỳ hoàng kim của sự phát triển front-end, JavaScript và Technical SEO đang trải qua thời kỳ phục hương. Là một người làm SEO và là người đam mê phát triển web, tôi muốn chia sẻ với các bạn về JavaScript SEO hiện đại dựa trên các phương pháp hay nhất trong ngành.Related: SEO & JavaScript: The Good, the Bad & the Uncertainty Beware of Fragment Identifiers Given that fragment identifiers are optional, and point to locations within the same piece of content ...В мае 2020 в одном из видео о JavaScript для SEO Мартин Сплитт заверил веб-мастеров, что очередь рендеринга теперь движется намного быстрее, и страница воспроизводится в течение нескольких минут или даже секунд.Discover why infographics are integral to SEO, and how you can add them to your search optimization strategy. Trusted by business builders worldwide, the HubSpot Blogs are your num...JavaScript & SEO: Making Your Bot Experience As Good As Your User Experience - Moz. By: Alexis Sanders. June 20, 2017. JavaScript & SEO: Making Your Bot Experience As Good As Your User …For any online business to succeed, it’s crucial to optimize its website for search engines. One of the most effective ways to do this is by using SEO keywords. These are words and...Jul 27, 2021 · To do this, it’s worth exploring the Document Object Model (DOM): right-click → Inspect element. Optimizing your site is essential to improve crawling performance. SEO JavaScript is an area of technical SEO that provides individual tasks to simplify crawling and indexing processes by JS search engines. In the ever-evolving world of digital marketing, search engine optimization (SEO) plays a crucial role in driving organic traffic to your website. While Google dominates the search...Mar 23, 2021 · JavaScript Rendering Check. I think this is the most user-friendly JS debugging tool as you don’t even need to check the code. It checks the main elements in the page source code for you and ... Related: Rendering SEO Manifesto: Why We Need to Go Beyond JavaScript SEO. The Layout Tree. Martin next begins talking about the Layout Tree. He’s making a reference to the Document Object ModelThe interactivity Javascript allows websites to have comes with a challenge – SEO. Let’s just say that Javascript and SEO don’t quickly get along with each other. The reason is that most are oblivious to Javascript SEO – a discipline of technical SEO focused on optimizing websites built with JavaScript to enhance their visibility by ...JavaScript SEO aims to make websites powered by JavaScript discoverable, crawlable, and indexable for search engines such as Google. Crawling and indexing JavaScript …Jul 16, 2020 · JavaScript SEO es parte del SEO técnico (Search Engine Optimization) que busca hacer que los sitios web con mucho JavaScript sean fáciles de rastrear e indexar, así como amigables para la búsqueda. El objetivo es que estos sitios web se encuentren y se posicionen más alto en los motores de búsqueda. JavaScript SEO Basics. If you’re auditing a website you should get to know how it’s built and whether it’s relying on any client-side JavaScript for key content or links. JavaScript frameworks can be quite different to one another, and the SEO implications are different to a traditional HTML site. Core JavaScript Principles Mar 21, 2019 ... Javascript and SEO. Google tells us it's fine. But we equate SEO with indexation. Javascript won't hurt indexation. It WILL hurt SEO.SEO Setting. Next provides useful options for better Search Engine Optimization (SEO). By default a canonical link tag is created in Hexo after you have set up your URL url: ... It's like you open new link with javascript at new tab. Works on mobile devices too, yep.Что такое JavaScript SEO. JavaScript SEO — часть технического SEO, благодаря которой поисковые системы могут легко просматривать, …Pitfalls when rendering JavaScript websites via the server. We recently came across some SSR issues with one of our clients. They run their website on Angular JS and render it with Rendertron via a Headless Chrome. They use a static SSR render approach, which means that they render a page and …Mar 21, 2019 ... Javascript and SEO. Google tells us it's fine. But we equate SEO with indexation. Javascript won't hurt indexation. It WILL hurt SEO.Mar 18, 2024 · This guide covers what developers can do to make sure that their sites work well with Google Search. In addition to the items in this guide, make sure that your site is secure , fast , accessible to all, and works on all devices. For help that's not so technical, visit the SEO starter guide. The SEO starter guide covers other aspects of SEO ... JavaScript SEO is the practice of optimizing the JavaScript on a website to maximize the website’s ability to rank in search engines like Google. Since we’re optimizing on-page elements, and since it directly affects technical SEO metrics , JavaScript SEO generally falls into the category of technical SEO .

Let’s discuss more Javascript SEO in this article. Crawling and Rendering Javascript by Google. According to Google, they can crawl and render websites with Javascript pretty well nowadays. But still, there are some complications as Google always advises admins to be cautious in this matter.. Security expert

javascript seo

If you’re a seller on Etsy, you know how important it is to rank higher in search results. With millions of products available on the platform, standing out can be a challenge. Tha...สำหรับตัวอย่างการใช้ JavaScript สำหรับ SEO Content นั้น เว็บไซต์สมัยใหม่จะถูกสร้างด้วย Framework JavaScript เช่น Angular, React และ Vue Framework ซึ่ง JavaScript สามารถช่วยให้นักพัฒนาสร้างและ ...In this article, we'll dive into the world of SEO in Next.js, exploring the old and new ways of handling metadata, and how this can help boost search engine rankings. Exploring the New Metadata API Before diving into the new Metadata API, let's take a quick look at how metadata was handled before Next.js 13.2. The Good Ol' Way (Using …If the tests pass successfully, your output will look as shown below: > [email protected] test > jest tests/token.test.js PASS tests/token.test.js isTokenExpired …Feb 22, 2024 · JavaScript SEO falls under the third category — technical SEO — which focuses on ensuring your site is searchable, indexable, and crawlable so people searching for the information you offer can find it. Want to learn more about On Page and Technical SEO? Grab our free tutorial here! How to Make Your JavaScript SEO-Friendly Carefully planning your site structure can feel arduous, but Next.js offers some tools to help: App Router. The new Next.js 13 app directory offers the most intuitive way to structure your website, mirroring its final build right inside the directory. Directory-based routing means that you’re always thinking about page hierarchy, and your SEO will reflect those choices.JavaScript frameworks, such as React, Angular, and Vue.js, provide developers with a structured approach to building complex web applications. These frameworks offer a wide range of features and functionalities that enhance the user experience and enable the creation of interactive web pages. 3. Traditional SEO Challenges with JavaScript.To make Javascript SEO a viable option, services that offer prerendering and capabilities like Server-Side Rendering (SSR) were made available. These services can detect when a bot is crawling a website and serve a static HTML version of a page specifically for them, which helps with performance issues as well as provides easier-to-crawl information.Jul 22, 2019 ... Until search engines have a way to handle this new world, it's imperative that SEO practitioners understand how JavaScript websites work, and ...This guide covers what developers can do to make sure that their sites work well with Google Search. In addition to the items in this guide, make sure that your site is secure , fast , accessible to all, and works on all devices. For help that's not so technical, visit the SEO starter guide. The SEO starter guide covers other aspects of SEO ...Javascript SEO can help you design a responsive and appealing website. But more than that, it can enable you to create a search engine-friendly and user-friendly site. The more you implement the suggestions in this article, the better the …Mar 13, 2019 · Welcome to another episode of JavaScript SEO! In this video, Webmaster Trends Analyst, Martin Splitt explains basic SEO techniques for JavaScript sites and w... ️ why JavaScript websites are underperforming in Google and how you can fix it; ️ how Google and other search engines deal with JavaScript; ️ how to check if your website has a problem with JavaScript; ️ what are the best practices of JavaScript SEO; ️ the most common problems with JavaScript that SEOs …SEO Setting. Next provides useful options for better Search Engine Optimization (SEO). By default a canonical link tag is created in Hexo after you have set up your URL url: ... It's like you open new link with javascript at new tab. Works on mobile devices too, yep.Feb 20, 2024 · Following JavaScript SEO best practices ensures that JavaScript-powered websites are fully accessible to search engines. This includes avoiding excessive reliance on JavaScript for critical content and navigation, which might hinder crawling and indexing. Ultimately, JavaScript and SEO can work in harmony. JavaScript SEO: Best Practices and Debugging Tools. JavaScript has its benefits when used correctly. Learn about JS SEO best practices and tools for …Nuxt.js and SEO Nuxt, one of the most popular Vue frameworks for new web apps, can greatly improve your app performance and SEO. One of the most important Nuxt configurations is the mode, as it determines how your app is built, deployed, and served. There are three main types of web apps out there today: …Mar 21, 2023 · JavaScript is most commonly used to create dynamic, interactive websites. Developers use JS to add animations, pop-up windows, search bars, buttons, audio and video, chat widgets, and other interactive elements to a webpage. You can also use JS to provide real-time updates to a page without reloading it. JavaScript SEO: Các trang web đang trong thời kỳ hoàng kim của sự phát triển front-end, JavaScript và Technical SEO đang trải qua thời kỳ phục hương. Là một người làm SEO và là người đam mê phát triển web, tôi muốn chia sẻ với các bạn về JavaScript SEO hiện đại dựa trên các phương pháp hay nhất trong ngành..

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