It’s basically a single div with an id of “root”. Just think about what the HTML looks like in a React app until it gets compiled to the browser. Since the content isn’t compiled until it gets to the client’s browsers, search engine bots are unable to crawl the sites properly. Also, SEO is less than ideal for these sites. The first site request comes with a big initial download. This was a big deal and allowed websites to start functioning more like dynamic applications. The user could interact with the entire website without having full page reloads like in the early days of the internet. Initially, this offered a new and more interactive way to engage with websites. The user will not see anything until the JavaScript files have downloaded and compiled (except maybe a loading screen). The HTML file has links to other files that are then downloaded, compiled, and rendered in the browser on the client-side. When a user makes a request to a server, the server sends the user a single file for the website. Since the dawn of popular front-end frameworks and libraries like React and Vue, developers have shifted toward client-side rendering (CSR). Many new frameworks like Next.js have been developed to use popular libraries like React to build apps with server-side rendering without the previous headaches. Server-side rendering has been a very complicated process for single-page applications until recently. One of the drawbacks of SSR is bottlenecking, when the server has a lot of users or if the site is large it can cause major slowdowns when the page is being rendered. Walmart (who recently switched from client-side to server-side rendering via Electrode). This can have a huge impact if your site is data-heavy and has items that people are doing Google searches for i.e. Since the site’s content is present before it reaches you, search engine bots are able to crawl the entire site and provide the search engine with more info. Another benefit of server-side rendering is better search engine optimization (SEO). This is beneficial if your website doesn’t have much interactivity and is mostly static as it will appear to load faster to the user than it would with client-side rendering. ![]() The site won’t be interactive until the JS files are downloaded, but the user can see the content almost immediately. ![]() So, back to rendering, when the fully populated HTML page reaches the user’s browser, the browser then downloads the accompanying JavaScript files. JavaScript allows us to interact without always having to do full page reloads. ![]() However, since the rise of JavaScript and its many frameworks and libraries, this process has become less arcane. When the user interacts with the page like clicking on a link or submitting information, the entire process happens again. The server gets a request from a user, compiles the HTML and the styles, and then sends a ready to be rendered HTML page to the browser to be displayed. Server-Side RenderingĪs stated above, SSR is the original way information has been rendered and displayed in the browser. Let’s take a look at all of the ways content on the internet can be rendered. This leads us to today, where most websites feel like fully interactive applications. The creation of technologies like JavaScript and its many frameworks and libraries began to allow more interaction with sites in the browser and changed the way we render sites. Since the birth of the internet all the way up until the recent future, all of the content on the web has relied on server-side rendering to display in the browser.
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