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Migrating Netflix to GraphQL Safely

The Netflix TechBlog

To determine customer impact, we could compare various metrics such as error rates, latencies, and time to render. We set up a client-side AB experiment that tested Falcor versus GraphQL and reported coarse-grained quality of experience metrics ( QoE ). The Falcor API had become a logic-heavy monolith with over a decade of tech debt.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Types of Performance Tests Although web page testing tools are helpful and can give you a quick overview of a website’s speed and overall performance, you should conduct a more thorough analysis using a variety of tests including: Load Tests: Load tests look at how increased workload affects an application’s response time.

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KeyCDN Launches New POP in Mexico

KeyCDN

The POP is strategially located within the country and lowers latency overall. KeyCDN is always on the lookout for ways to minimize latency and accelerate asset delivery worldwide. For more POPs planned, check our current network for a list of both active and planned edge server locations. Hola Mexico!

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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

For each route we migrated, we wanted to make sure we were not introducing any regressions: either in the form of missing (or worse, wrong) data, or by increasing the latency of each endpoint. For us, the replay test tooling gave the confidence that our new code was nearly bug free. This meant that data that was static (e.g.

Latency 233
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Best Free DNS Hosting Providers

KeyCDN

Using a fast DNS hosting provider ensures there is less latency between the DNS lookup and TTFB. You can test the DNS lookup time and TTFB with a website speed test tool. Just like with content delivery networks, DNS hosting providers also have multiple POPs. Speed Speed also plays a role with DNS.

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Modern Methods For Improving Drupal’s Largest Contentful Paint Core Web Vital

Smashing Magazine

Large preview ) While browsers are generally pretty fast, these steps still take time to load, typically in seconds, and even longer on slower, high-latency network connections. Homepage with DevTools Network inspection enabled and open. Web developers should learn to use various testing tools such as Lighthouse and WebPageTest.

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Common Challenges in Continuous Testing

Testsigma

You can make changes to the tool/framework to get desired behaviour, but that is a costly affair in terms of resources. You are now investing your resources to evolve the tool/framework rather than the product. Lack of Faster Feedback Loops: To leverage Continuous Testing, it is important to incorporate feedback on an on-going basis.

Testing 69