Dexecure performance engineering blog

Intelligent Chroma Subsampling

Jun 26, 2019

In this post we will talk about chroma subsampling and how it can be used to make your images load faster if done right.

Image decoding on the web

Jun 12, 2019

Image decoding is the process of converting the encoded image back to a uncompressed bitmap which can then be rendered on the screen. Learn more about how the process of decoding images affects performance of your website.

Network Aware Image Optimization

Jun 11, 2019

With latencies and bandwidth varying a lot between these different connection types, the experience of users visiting your website would vary a lot too. In this post, we will see how to deliver a good user experience for users on slower networks without compromising the experience of users who are on the fast networks.

Speed as a Competitive Advantage

Feb 12, 2019

When it comes to online businesses, it is essential to understand that website speed can be a deciding factor in the long-term success or failure of an online operation. With eCommerce businesses growing every year, online marketplaces are becoming hyper-competitive with every single factor playing an important role in revenue generation.

Reigning in performance of third party assets

Nov 22, 2018

Optimizing third party assets is simultaneously the most important and frustrating experience of speeding up websites. Even though your website might be using the latest and greatest performance optimization techniques, you have little control over how well optimized assets loaded from third party domains are. Not anymore!

The Business of web performance: how slow website eats up your revenue

Jul 10, 2018

Web performance optimization is a complex and cumbersome task - often overlooked when it comes to web development. Website needs to be supported for more and more devices and browsers with their varied list of features - making manual performance optimization a daunting task. In this document, we will discuss the current state of web performance across the web, and how website speed affects end customers' user experience - affecting your business metrics. We will also discuss the ways to measure web performance, main causes for slow websites and solutions to these problems.

Impact of a Country Specific Website on User Experience

May 14, 2018

Different companies have different websites specific to the country they operate in. For example, Google has websites like google.co.uk and google.com.sg. Using the Chrome User Experience Report, we are now able to answer questions like 'Is google.com.sg faster than google.com for users in Singapore.'

Impact of 3G vs 4G Connections on User Experience across Countries

Nov 28, 2017

It is no secret that the faster the user's internet connection is, the faster the website will load. It is a crucial factor in the success of a business, but one that it can not directly control (long live #netneutrality). It is also hard to quantify how connection speeds directly affect user experience, and consequently important business metrics such as bounce rate. In this post, we use Chrome User Experience Report to analyze the impact of internet speed on real-world user experience.

Chrome User Experience Report Explained with Google BigQuery

Nov 27, 2017

Google recently announced Chrome User Experience Report (CrUX), consisting data from the usage of 10,000 websites in Google Chrome. In this post, we will further explain the report, its importance to businesses and the potential pitfalls when analyzing the data.

HTTP/2 PUSH vs HTTP Preload

Nov 18, 2017

HTTP/2 PUSH is a feature which lets server pre-emptively push resources to the client (without a corresponding request). HTTP Preload is a way to indicate to the browser resources it would require while loading the current page. In this post, we will discuss the key differences between PUSH and Preload, with a detailed explanation of which one to choose based on your use case.