Synchronous VS Asynchronous Rendering: Which Is Best For Your Website Optimization Strategy

When it comes to how data is transmitted there are two methods that websites employ: synchronous and asynchronous. Each method comes with its own benefits and drawbacks. We’ll provide a detailed description of each and all the information you’ll need to decide which best fits your website monetization efforts. If you still don’t know which is right for you, AdMetricsPro can help guide your website monetization to greater success using the right rendering path for your website optimization.

an image of the default loading icon seen on web pages.
Both Synchronous Rendering And Asynchronous Rendering Have Benefits And Drawbacks. AdMetricsPro Will Help You Decide Which Is Right For Your Web Page.

There are a lot of things to consider when implementing a website optimization strategy when monetizing your website. Website publishers are always looking for ways to improve their website performance and increase revenues as a result. Understanding critical components like synchronous rendering and asynchronous rendering will provide an additional characteristic to strengthen your website’s performance. Beyond implementing relevant text and lightweight images and graphics, synchronous rendering and asynchronous rendering provide features that website publishers can control and leverage to increase their website revenue.

Publishers can control exactly how ads are requested or how they render on their webpage using the Google Publisher Tag (GPT) from DFP. This tag offers two methods to choose from that determines ad behavior on a webpage, these are what we refer to as synchronous rendering and asynchronous rendering.

Asynchronous Rendering

Asynchronous rendering offers the best page load experience because users won’t have to wait for your ads and creatives to load in order to get access to the content they are looking for.  Asynchronous rendering offers the ability to serve guaranteed roadblocks or competitive exclusions, as well. Because asynchronous rendering loads your page content independently from your webpage’s ads, utilizing safe frames over iframes is recommended. This prevents external access to sensitive data while still allowing interaction between webpage content and ads.

Synchronous Rendering

Synchronous rendering instructs web pages to load content in the order they are read by the browser. This means that pages load from the top to the bottom. This can put a significant damper on user experience if your webpage is top heavy with creatives or relatively inefficiently optimized banners. However, this method is ideal for pages that used multi-sized ads and help avoid page distortion that can be a problem for some users on web pages utilizing asynchronous rendering.

Is your site running passback tags? If so, you’ll be required to implement synchronous rendering as a default rendering method. This can result in a negative user experience as content will not load until all ad requests are fulfilled on-page.

The Rendering Trade-Offs

When you want content to load independently of ads, and allow users to access content straight away, Asynchronous rendering may be the choice for you. However, keep in mind that this can affect the user experience when layouts sift as a result of page elements loading at different intervals.

Weighing Your Options Will Help In Identifying The Right Rendering Approach For Your Website.

If you want everything uniform and loading neatly for a pleasant navigation experience for users, synchronous may be the way to go. Keep in mind that bandwidth-heavy elements can affect load times detrimentally. For this reason, you should ensure your webpage is lightweight and optimized to the fullest before implementing a synchronous approach to webpage rendering. Keep in mind, if you’re implementing passback tags, synchronous rendering will be your default method of rendering.

Let AdMetricsPro Take The Lead On Rendering

Still don’t know which rendering path is right for you? AdMetricsPro is here to help with our proprietary Quantum Demand™ technology. We’re experts in webpage optimization when it comes to monetizing ad space and we can help turn your webpage into a money making machine far beyond the success you’ve already found. Get in touch with our experts in publishing and analytics by scheduling your free site audit today. We’re excited to show you exactly how we can improve your website and AMP your revenue.

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