How to Hire Angular Developers: Key Skills and Knowledge to Look For
Many developers looking for their next gig claim to have experience with Google’s popular front-end framework. Here, international Angular coach Bo Vandersteene tells hiring managers how to separate the best from the rest.
![Bo Vandersteene](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1067119%2Fretina_64x64_huge_b9dfacb7a7951bc46d46af1c2dec37b2-a75f7e365a9175e273024b00b2fc1b94.jpg)
Bo Vandersteene
The 10 Most Common JavaScript Issues Developers Face
At first, JavaScript may seem quite simple. Yet the language is significantly more nuanced, powerful, and complex than one would initially be led to believe. Many of JavaScript’s subtleties lead to a number of common problems—10 of which we discuss here—that keep code from behaving as intended. It’s important to be aware of and avoid these pitfalls in one’s quest to become a master JavaScript developer.
![Ryan J. Peterson](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1065590%2Fretina_64x64_huge_7a0683cc1b520519da2fb78712f3b6d0-4409e0ec4d262775ab8f0c0eeb25e410.jpg)
Ryan J. Peterson
Efficiency at Scale: A Tale of AWS Cost Optimization
Understanding total spend is a common challenge for cloud users, especially on projects with complex pricing models. This article explores the top AWS cost optimizations that will help you scale your platform effectively.
![Rudolf Eremyan](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1068374%2Fretina_64x64_huge_12baf340eb14728494ddffdfe56de21f-e8acd3c082654463bef28de0c342d2ce.jpeg)
Rudolf Eremyan
Keep It Encrypted, Keep It Safe: Working with ESNI, DoH, and DoT
Internet privacy’s cutting-edge technology includes encrypted server name indication (ESNI) and encrypted DNS in the form of DNS over HTTPS (DoH). Find out what they are, why they exist, and how they work.
![Brian Wojtczak](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1067042%2Fretina_64x64_huge_d9ea2c940515bb696e7662f46bea2599-b375705753e08fff02ac5de7849877b4.jpg)
Brian Wojtczak
Haxe Review: Haxe 4 Features and Strengths
The quietly growing number of serious Haxe projects have something new to contend with: the first major compiler release in over three years. What does Haxe 4 bring to the table?
![Kevin Bloch](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1029265%2Fretina_64x64_huge_5a60e83d9ae265c99a81475cd31487b0-5761083cafbd635cb0822832d7158c4e.jpg)
Kevin Bloch
Optimizing Website Performance and Critical Rendering Path
Does your web page’s rendering performance meet today’s standards? Bad rendering performance can translate into a relatively high bounce rate.
In this article, Toptal Freelance Web Developer Ilya Chernov explores the things that can lead to high rendering times, and how to fix them.
![Ilya Chernov](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1074283%2Fretina_64x64_huge_da8735a2a69de0f229947938258bb49e-d18e18add934c592d54b3830edac09ba.jpg)
Ilya Chernov
Performance and Efficiency: Working with HTTP/3
HTTP/3 is on the horizon, but many aren’t even familiar with HTTP/2 yet. Find out what HTTP/3 means for web development, administration, and the internet.
![Brian Wojtczak](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1067042%2Fretina_64x64_huge_d9ea2c940515bb696e7662f46bea2599-b375705753e08fff02ac5de7849877b4.jpg)
Brian Wojtczak
A Deep Look at JSON vs. XML, Part 3: XML and the Future of JSON
In Part 1 and 2, we took a closer look at the evolution of the web, how XML and JSON arose, and the differences between the two standards.
In this final part of our series on JSON vs. XML, Toptal Freelance Full-stack Developer Seva Safris looks at XML as a data interchange format and how well it supports complex requirements. And finally, he will discuss the future of JSON as well as explore solutions that bring the strengths of XML to JSON.
![Seva Safris](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1067503%2Fretina_64x64_huge_0acb35a510757a17b72a886383034680-29af599f6af61484244972779269f649.png)
Seva Safris
A Deep Look At JSON vs. XML, Part 2: The Strengths and Weaknesses of Both
Nearly all computer applications rely on either JSON or XML. Today, JSON has overtaken XML, but is it better? In part 1 of this series on JSON vs. XML, we take a closer look at the history of the web to uncover the original purpose of XML and JSON and analyze how JSON became the popular choice.
![Seva Safris](http://assets.toptal.io/images?url=http%3A%2F%2Fbs-uploads.toptal.io%2Fblackfish-uploads%2Ftalent%2Fprofile%2Fpicture_file%2Fpicture%2F1067503%2Fretina_64x64_huge_0acb35a510757a17b72a886383034680-29af599f6af61484244972779269f649.png)
Seva Safris
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