CSS Wizardry

AUGUST 7, 2019

This is understandable—forgivable, almost—when you consider that TTFB begins to move into back-end territory, but if I was to sum up the problem as succinctly as possible, I’d say: While a good TTFB doesn’t necessarily mean you will have a fast website, a bad TTFB almost certainly guarantees a slow one. Demystifying TTFB.

Latency 269

Latency Ecommerce Servers Mobile 269

Dotcom-Montior

NOVEMBER 24, 2021

There was a time when standing up a website or application was simple and straightforward and not the complex networks they are today. For basic and simple websites, a developer was able to easily automate these checks and fix any problems before a user encountered them. The recipe was straightforward. Do you have a database?

Systems 74

Systems Monitoring Hardware Network 74

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. JavaScript-Heavy # Since at least 2015, building JavaScript-first websites has been a predictably terrible idea, yet most of the sites I trace on a daily basis remain mired in script. [1] What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Speed Curve

MARCH 7, 2022

But pages keep getting bigger and more complex year over year – and this increasing size and complexity is not fully mitigated by faster devices and networks, or by our hard-working browsers. Size matters especially to mobile users who have limited and/or metered data. But more resources are being served to mobile.

Mobile 145

Mobile Benchmarking Google Metrics 145

Smashing Magazine

APRIL 19, 2021

The Core Web Vitals are a set of three metrics designed to measure the “core” experience of whether a website feels fast or slow to the users, and so gives a good experience. These tools run page loads on simulated networks and devices and then tell you what the metrics were for that test run. What Are The Core Web Vitals?

Google 140

Google Metrics Mobile Analytics 140

CSS - Tricks

AUGUST 18, 2020

When even a bit of React can be a problem on devices slow and fast alike, using it is an intentional choice that effectively excludes people with low-end hardware. Server rendering is also cool—even if that’s just how we say “send HTML over the network” these days. It makes organizing code easier. I think JSX is great. The conditions.

Performance 101

Performance Mobile Servers Code 101

Alex Russell

MARCH 6, 2021

Thanks to progress in networks and browsers (but not devices), a more generous global budget cap has emerged for sites constructed the "modern" way: ~100KiB of HTML/CSS/fonts and ~300-350KiB of JS (compressed) is the new rule-of-thumb limit for at least the next year or two. Modern network performance and availability.

Performance 124

Performance Network Cache Metrics 124

Testsigma

SEPTEMBER 23, 2021

Today, most applications are being rolled out on the web, mobiles, TV as well as tablets, simultaneously. During upgrade or maintenance, the devices are updated either with software or hardware. It only requires choosing and clicking the selection on the service provider’s website. E.g.Usability, UI, ad-hoc testing.

Cloud 96

Cloud Testing Infrastructure Internet 96

MachMetrics

JANUARY 23, 2020

You run a speed test on a website, and the results don’t match what you personally experience. We wanted to have control of the hardware that runs our tests and deliver consistent results. Some visitors will be coming to your site via a blazing fast internet on an overpowered, flagship mobile device.

Speed 62

Speed Testing Website Cache 62

Speed Curve

JULY 3, 2023

Size matters, especially to mobile users who have limited and/or metered data. Mobile: The median page is smaller (but there's a catch) It's genuinely heartening to see that, overall, pages served to mobile haven't gotten bigger. When we talk about page size, we're referring to overall page weight and complexity. on the page.

Mobile 52

Mobile Google Metrics Retail 52

KeyCDN

JULY 11, 2019

Well, that is probably true, as long as they don’t slow down your website to the point where you are losing visitors. When it comes to optimizing your website, images are generally the most important asset you should spend time on figuring out how to reduce in size and deliver in a more efficient way. Mbps ( Opensignal ).

Speed 52

Speed Website Mobile Latency 52

Tim Kadlec

JANUARY 9, 2019

Sites that use an excess of resources, whether on the network or on the device, don’t just cause slow experiences, but can leave entire groups of people out. Similarly, there is a growing gap between what a top of the line network connection can handle and what someone with a poor mobile connection or satellite connection can handle.

Performance 111

Performance Energy Internet Internet 111

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. Last year, Google made two significant changes to their search indexing and ranking algorithms : In March, indexing became based on the mobile version of a page , rather than desktop. Recommended! First CPU Idle. Speed Index.

Google 71

Google Engineering Speed Mobile 71

Smashing Magazine

JANUARY 11, 2021

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the project until the final release of the website — what would that look like? Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3.

Performance 145

Performance Cache Media Metrics 145

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Industry commentators often write as though the transition to mobile rigidly aligned OSes with specific technology platforms.

Hardware 64

Hardware Mobile Programming Java 64

Alex Russell

JULY 14, 2021

At first glance, the market for mobile browsers looks roughly functional. Tech pundits and policymakers form expectations of browsers on the desktop and think about mobile browser competition the same way. The mobile ecosystem appears to retain these properties, but the resemblance is only skin deep. The Baseline Scenario #.

Google 121

Google Mobile Engineering Internet 121

Smashing Magazine

JANUARY 6, 2020

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Globally in 2018–2019, according to the IDC, 87% of all shipped mobile phones are Android devices.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

So, if we created an overview of all the things we have to keep in mind when improving performance — from the very start of the process until the final release of the website — what would that list look like? Run performance experiments and measure outcomes — both on mobile and on desktop. 150ms RTT, 1.5 Mbps down, 0.7

Performance 103

Performance Cache Metrics Network 103

KeyCDN

AUGUST 15, 2019

Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. Just because everything works perfectly during production testing doesn’t mean that will be the case when your website is flooded with traffic.

Testing Tools 55

Testing Tools Best Practices Performance Testing Testing 55

All Things Distributed

SEPTEMBER 6, 2013

Essent currently hosts all of their public facing websites and customer self-service portals in the AWS cloud. The company has used AWS to build an IT innovation zone, based upon open source products, which is being used to launch new innovations for customers like E-Mobility and E-thermostat products with a very fast time-to-market.

Cloud 129

Cloud Energy AWS Healthcare 129

Dotcom-Montior

NOVEMBER 27, 2018

Today’s applications are built on multiple technologies, relying on vast networks of third-party providers and CDN’s. Additionally, end users can access your site or applications from anywhere in the world using different browsers, operating systems, and mobile devices, all with varying connection speeds.

Performance Testing 40

Performance Testing Strategy Testing Performance 40

Smashing Magazine

JANUARY 21, 2021

It always starts with the long-awaited website overhaul. At the time of the workshop, our Lighthouse scores were 60–68 on the homepage , and around 40-60 on article pages — and obviously worse on mobile. Because font files are quite small, hopefully they get through the network quite quickly. Vitaly Friedman.

Performance 145

Performance Cache Mobile Network 145

KeyCDN

SEPTEMBER 20, 2018

Monitoring errors on the front-end requires a bit more work because front-end performance is highly dependant on the user’s hardware, software and connection. You need to make sure that your website or app runs smoothly in over a dozen web browsers and hundreds of different devices, which is no easy feat.

Strategy 67

Strategy Monitoring Website Google 67

Smashing Magazine

SEPTEMBER 3, 2021

As is the case with many other developers, the reports over the last few years of the huge energy requirements of the web have prompted me to take a look at my own websites and see what I can do to minimize their impact. But first, a confession: When I first heard about the environmental impact of websites, I didn’t quite believe it.

Website 135

Website Energy Internet Internet 135

Dotcom-Montior

OCTOBER 12, 2017

It provides testing support for more than 40 devices such as IE, Chrome, Firefox and top mobile devices such as IPhone, Samsung, Nokia, Blackberry and many more. Verify hardware sizing. Dynatrace is a SaaS based monitoring solution and supports a broad range of technologies. Find root-cause of performance issues. Reduce re-run effort.

AWS 40

AWS Tuning Monitoring Servers 40

Tim Kadlec

JULY 31, 2013

On the first of Yahoo’s guiding principles: First is availability — this is the bedrock of building a website. If they’re using a screen reader, I want to make sure that they’re having the best possible experience with all of our websites. I mean, just listen to some of the wisdom that is just as relevant, if not more so, today.

Google 40

Google Website Hardware Games 40

All Things Distributed

APRIL 4, 2017

As well as AWS Regions, we also have 24 AWS Edge Network Locations in Europe. Supercell is responsible for several of the highest grossing mobile games in history, and they rely on AWS for their entire infrastructure. iZettle, a mobile payments startup, is also ‘all-in’ on AWS. That’s 100% faster.

AWS 116

AWS Airlines Latency Games 116

O'Reilly

NOVEMBER 28, 2023

A year after the first web servers became available, how many companies had websites or were experimenting with building them? That pricing won’t be sustainable, particularly as hardware shortages drive up the cost of building infrastructure. Certainly not two-thirds of them. from the healthcare industry, and 3.7% from education.

Open Source 108

Open Source Artificial Intelligence Google Infrastructure 108

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. An often used metaphor is that of a pipe used to transport water. Congestion Control.

Performance 105

Performance Network Latency Servers 105

All Things Distributed

NOVEMBER 15, 2010

From financial processing and traditional oil & gas exploration HPC applications to integrating complex 3D graphics into online and mobile applications, the applications of GPU processing appear to be limitless. New AWS feature: Run your website from Amazon S3. General Purpose GPU programming. Where to go from here?

AWS 136

AWS Latency Programming Architecture 136

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. It can be accessed from a variety of endpoints like FTP, WebDAV, mobile, public API, and browsers and features strong audit and security components. Document store.

Architecture 52

Architecture Cache Azure Storage 52