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Introducing SafeTest: A Novel Approach to Front End Testing

The Netflix TechBlog

by Moshe Kolodny In this post, we’re excited to introduce SafeTest, a revolutionary library that offers a fresh perspective on End-To-End (E2E) tests for web-based User Interface (UI) applications. Inability to test CORS setup or GraphQL calls. Complex and unintuitive authoring and debugging of tests.

Testing 244
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CSS and Network Performance

CSS Wizardry

In this post I want to look at how CSS can prove to be a substantial bottleneck on the network (both in itself and for other resources) and how we can mitigate it, thus shortening the Critical Path and reducing our time to Start Render. Test, test, test. Test and measure. Employ Critical CSS.

Network 278
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DevOps engineer tools: Deploy, test, evaluate, repeat

Dynatrace

DevOps platform engineers are responsible for cloud platform availability and performance, as well as the efficiency of virtual bandwidth, routers, switches, virtual private networks, firewalls, and network management. Version control system and source code management with end-to-end DevOps platform and cloud-hosted Git services.

DevOps 200
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Everything as Code

Dynatrace

At Dynatrace we believe that monitoring and performance should both be automated processes that can be treated as code without the need for any manual intervention. And, applying the “Everything as Code” principles can greatly help achieve that. Treating these different processes as code will ensure that best practices are followed.

Code 111
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Improving JavaScript Bundle Performance With Code-Splitting

Smashing Magazine

Improving JavaScript Bundle Performance With Code-Splitting. Improving JavaScript Bundle Performance With Code-Splitting. This problem is more apparent on unreliable and slow networks and lower-end devices. bundle with code for other pages is loaded and parsed, which means that only a part of it is used and rendered on the page.

Code 89
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The Three Cs: Concatenate, Compress, Cache

CSS Wizardry

Compressing them over the network: Which compression algorithm, if any, will we use? In one test, I concatenated it all into one big file, and the other had the library split into 12 files. Read the complete test methodology. Compress The above tests were run with Brotli compression 2. It’s a balancing act for sure. ?

Cache 291
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Running A Page Speed Test: Monitoring vs. Measuring

Smashing Magazine

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Real usage data would be better, of course.

Speed 81