Having a correct handling of JavaScript pages is a requirement to facilitate the indexing of those pages by the Google algorithm, which improves the positioning of web pages. Jesus Cardenas Jan 22, 20 | 7 min read the-relationship-between-javascript-and-seo In recent times of Digital Marketing, the connection between the inherent aspects of marketing with the use of technology and web development has emerged more than ever. JavaScript and SEO right now are part of the same topic of conversation and in this publication we will address everything from the basic concepts to how to improve your positioning through the best practices of this programming language. First of all, you have to understand that JavaScript and SEO are disciplines that have complications and complexities of their own and, normally, departments treat them as two individual units in their strategies. However, anyone who wants to become a professional trained to respond to the needs of the industry must master and master both fields. So let’s start at the beginning. Good reading! Important JavaScript and SEO Concepts The JavaScript programming language is one of the most used in the world, it is with it that the best web pages that we usually visit have been developed. But well, what are the fundamental concepts that unite both disciplines? Regarding JavaScript and SEO, the first thing is to clarify that, when we talk about positioning, search engines are not able to understand, assimilate or process the JavaScript code completely.

However, there is a way to prepare the website so that when Google begins the crawling and indexing process it can decrypt it. In fact, the most popular search engine in the western world has been concerned with this issue and, therefore, AJAX has emerged which is, basically, a content updater. AJAX allows applications to communicate with servers and tell them what’s new without having to crawl or refresh the entire page. Now how does this work? Senegal Whatsapp Number List First of all, the JavaScript processing robot works in 3 phases:tracking, prosecution, and indexing . When identifying a URL that contains this language, the first thing to do is verify that the user has allowed it to be identified. To do this, it reads the robots.txt file and, if it was indeed authorized, Google begins processing. And finally, after parsing the HTML , it becomes indexed. All of this happens because JavaScript does not run for servers, but for browsers . Therefore, search engines must assume the position of a browser in order to capture or read content. What role does JavaScript play in web pages in terms of SEO? To answer this question, we must go back to AJAX.

It is the acronym for Asynchronous JavaScript and XML. This technique was designed for mobile devices and websites. Its function? Initially, make the changes to the content without having to load all the HTML . So does it affect SEO? The answer is yes! AJAX, “generally” – using the words of Google spokespersons – can render and index dynamic content, but this is not always the case. What directly influences search engine positioning. Now, at this point it is important to understand the limitations that Google itself has to process JavaScript. For example, most of the users use browsers like Chrome, Mozilla, among others. And Googlebot does not use the latest version of these browsers, but Chrome 41 to do the processing, which can drastically affect crawling. For this, there are Google’s own tools, such as the optimization test or the URL inspection tool of the Seach Console, so that you can view the resources that are displayed and the exceptions that you can make to the JavaScript or DOM. SEO problems that happen with poor handling of JavaScript Although JavaScript helps to show the user dynamic websites, full of interesting graphics, nice interfaces and more, there are several mistakes that can be easily made that negatively influence the SEO and therefore the potential of the website. . Here we show you the most common mistakes you can make. 1. Neglecting HTML If you have the most important information about the site within your JavaScript code, the crawler may have too little information to do the proper processing when it comes to indexing for the first time. It is very important that all crucial data for the web is created in HTML so that it can be quickly indexed by Google and other search engines. 2. Misuse links Any SEO professional knows the importance of internal links for positioning.

This is because search engines and their crawlers recognize the connection between one page and another. What increases the time of permanence of the user. For JavaScript and SEO, it is very important to rectify that all links are set correctly . This means that anchor texts and HTML anchor tags must be used, which include the URL of the landing page in the href attribute. 3. Preventing Google Accidentally Indexing Your JavaScript This may be the most common of the three. And, as we already mentioned, Google cannot render the JavaScript in its entirety. As a result, many sites may be making the mistake of including ” no index ” tags in the HTML. This is why when Google goes through a website and reads the HTML, it may find this tag and move on . Since it prevents the Googlebot from returning to run the JavaScript that is inside the code and what prevents it from being displayed correctly. JavaScript continues to be an attractive and important aspect for web development, both for brands, companies, ecommerces and much more. To prevent the Googlebot and other trackers from passing by, it is important to understand how they work and how SEO can be enhanced and, therefore, favor the positioning of the webs. What to do to make it easier to index JavaScript pages on Google?

Although so far it seems like a summary of bad news, do not worry! Yes, you can optimize a web page with JavaScript so that it not only displays correctly, but also so that the Google robot can crawl, process and index it and achieve the positioning in the SERPs that you want so much. Here are some keys so that you can achieve it without dying trying. Keep reading! Optimize the URL structure The URL is the first thing that the Googlebot crawls on the site, so it is very important. In websites with JavaScript it is highly recommended to use the pushState History API method , whose function is to update the URL in the address bar and allows pages with JavaScript to be displayed clean. A clean URL consists of a text that is very easy to understand by those who are not experts on the subject. In this way, the URL is updated every time the user clicks on a part of the content. Supports website latency When the browser creates DOM (Document Object Model) – an interface that provides a standard set of objects to use and combine HTML, XHTML, and XML – it can create a very large file within the HTML and it will take time for the browser to load everything, which could mean in a significant delay for the Googlebot. Adding the JavaScript into the HTML directly, and assigning values ​​to not synchronize the less important elements of the page, can dramatically reduce the load time and the JavaScript will not hinder the indexing process.

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