Angular SEO: How to Make Search-Friendly Pages

SEO for conventional web applications Single Page Application (SPA) SEO Developing search-friendly pages in Angular Implementing prerendering for Angular application Validating your SEO friendly Angular SPA Introduction to Angular Framework Angular Framework, a structural javascript based framework for web applications, is used to create dynamic web pages with content rendered via web services. The angular framework is very developer-friendly and has been around for several years. Applications built using Angular Framework are called Single Page Applications given the way they function. An Angular application, once loaded, renders other pages dynamically without reloading the web pages all over again. This experience is delivered with the power of the Angular javascript framework. It dynamically modifies the pages by running javascript code or by loading only the required content. This gives the user a smooth experience without waiting for a reload to happen. However, there are adverse effects on the optimization of the Angular sites for search engines. In this article, we articulate how Angular applications need special search engine optimization treatment and provide deployment instructions. Workings of search engine optimization algorithms Before we address the solution, let us understand how the search engine bots actually work. Search engines around the world crawl through your websites to understand the pages and the end goal of your business. For this, the crawlers read through the metadata of the pages such as the title, description, image tags, and categories. This metadata needs to be different for every page to allow search engines to understand your business better.   A search engine bot reaches a specific page, finds the hyperlinks on the page, reads the metadata on the page and starts traversing through the hyperlinks. It keeps repeating this process on your website until it is unable to get any new links. During this process, the bot downloads the static content of your website and understands about the page. Thus, it becomes important to maximize the details about each page in the metadata and static content. 1. SEO for conventional web applications Search Engine Optimization (SEO) has become one of the most important investments for any online business today. In the past, the web applications being developed were fairly simple and contained mostly static pages. These pages contained all the required information pre-coded into them. As the web application development evolved, we entered an era of dynamic content rendering where the content for the web pages is stored somewhere and fetched as needed.  There are two ways of doing this:  Server-side rendering Client-side rendering Due to the lack of sophisticated client-side rendering frameworks in the past, server-side rendering of pages was the trend. There were numerous languages and frameworks to handle the same. For instance, PHP, Java Spring, NodeJS with Handlebars and other frameworks render the pages in advance and send only the plain HTML content to the frontend.  This approach ensures that the page has the right meta tags and all the content rendered before it is received by the search engine crawler. Thus, the conventional web applications were practically simple when it came to SEO. However, it surely had a downside of loading time. With low-end servers, processing thousands of requests for pages became difficult for servers too. This brought into picture frontend frameworks like Angular. 2. Single Page Application (SPA) SEO A Single Page Application is a concept where the application base layout is loaded only once and the rest of the pages and components are loaded only as needed. This is made possible with the power of Javascript that dynamically decides what content is required, fetches the data and renders it in…

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