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The road to observability with OpenTelemetry demo part 1: Identifying metrics and traces

Dynatrace

But its underlying goal is quite humble and straightforward: it wants to enable you to observe an IT system (for example, a web application, infrastructure, or services) and gain insight to its behavior, such as performance, error rates, hot spots of executed instructions in code, and more. What is OpenTelemetry?

Metrics 177
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How to use Server Timing to get backend transparency from your CDN

Speed Curve

That performance golden rule still holds true today. 80% of end-user response time is spent on the front end. However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. I mean, why wouldn't we?

Servers 57
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Seamlessly Swapping the API backend of the Netflix Android app

The Netflix TechBlog

How we migrated our Android endpoints out of a monolith into a new microservice by Rohan Dhruva , Ed Ballot As Android developers, we usually have the luxury of treating our backends as magic boxes running in the cloud, faithfully returning us JSON. This allowed Android engineers to have much more control and observability over how we get our data.

Latency 233
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How to Become a WordPress Developer in 2023

Official Blog - World Web Technology

All you need to do is to follow this article and you will know how to become a good WordPress developer. If you think that you can sustain and excel in your business without having a website in this era of digitization, you are surely mistaken. You need a highly functional and feature-rich website. What do these statistics reveal?

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GotW #97 Solution: Assertions (Difficulty: 4/10)

Sutter's Mill

And asserted conditions only evaluated if they’re enabled, so any side effects won’t happen when they’re not enabled; they might sometimes perform local side effects, such as to do logging or allocate memory, but the program should never rely on them happening or not happening. What is an assertion, and what is it used for?

C++ 58
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New Metadata-Only Column Changes in SQL Server 2016

SQL Performance

Along with a large number of restrictions on what is even possible with this command, there is always the question of performance. Depending on the type of change and the configuration of the database, an ALTER COLUMN command will need to perform one of the following actions: Change metadata in system tables only. The ALTER TABLE.

Servers 63
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Core Web Vitals for Search Engine Optimisation: What Do We Need to Know?

CSS Wizardry

Google do strongly encourage you to focus on site speed for better performance in Search, but, if you don’t pass all relevant Core Web Vitals (and the applicable factors from the Page Experience report) they will not push you down the rankings. They do not use Lighthouse or PageSpeed Insights scores.