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Dexecure performance engineering blog

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.

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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!

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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.

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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.'

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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.

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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.

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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.

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Native HTTP/2 support in Node frameworks - Hapi, Koa, Express and more

Nov 5, 2017

In this post, we will track the native HTTP/2 support status in some of the most popular Node frameworks. We will also provide examples of how to implement static file server where possible.

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How to create a zero dependency HTTP/2 static file server with Node.js (with examples)

Oct 28, 2017

Node.js just launched support (v8.8.1) for HTTP/2 as part of their core. In this post, we will create a simple HTTP/2 server to serve static files and then demonstrate some cool features like HTTP/2 PUSH.

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Why Brotli Adoption is so Low Among Websites

Dec 29, 2016

Brotli is a new compression method for text based assets poised to dethrone the king of compression on the web (gzip) soon. It is already being used internally as part of the WOFF2 font format but recently browsers have exposed it as a compression method to compress other assets like your HTML, JavaScript, CSS, SVG, etc.

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Beyond Offline: Other Interesting Use Cases with Service Workers

Jul 14, 2016

Service workers is probably the single most powerful API added to the web platform recently. It gives you access to a programmable proxy in JavaScript land. You can do anything you want with each request made and the response received by the browser - cancel the request, re-route it, modify the response(in some cases), cache it, etc.

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Impact of metadata on Image Performance

Jul 1, 2016

In this post, we will specifically focus on the different kinds of metadata stored in JPEG images and the impact this has on performance of a webpage.

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Why Dexecure

Apr 16, 2016

Welcome to our blog! Our very first blog post explains why we started Dexecure.

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Dexecure makes websites load faster by automating optimization techniques using latest web technologies.

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