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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.

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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 185
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Reducing HTML Payload With Next.js (Case Study)

Smashing Magazine

Here’s another article about reducing JavaScript dependencies and the bundle size sent to the client. This article is about a couple of things that Bookaway faced and we (as a company in the traveling industry) managed to optimize our pages, so that the HTML we send is smaller. I know what you are thinking.

Google 110
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An In-Depth Guide To Measuring Core Web Vitals

Smashing Magazine

LCP is supposed to measure loading performance and is a good proxy for all the old metrics we in the performance community used to use (i.e. An In-Depth Guide To Measuring Core Web Vitals. An In-Depth Guide To Measuring Core Web Vitals. Barry Pollard. 2021-04-19T08:30:00+00:00. 2021-04-19T08:35:54+00:00. What Are The Core Web Vitals?

Google 140
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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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Rethinking Server-Timing As A Critical Monitoring Tool

Smashing Magazine

To my surprise, web performance monitoring conversations rarely surface Server-Timing or cover a very shallow understanding of its application — despite it being out for many years. The only required field is the name. Sean Roberts. 2022-05-16T10:00:00+00:00. 2022-05-16T14:04:13+00:00. Setting Server-Timing.

Servers 92