Smashing Magazine

OCTOBER 31, 2023

The truth is that the two tools were fairly distinct until PSI was updated in 2018 to use Lighthouse reporting. Chrome DevTools includes a separate “Performance” tab where the testing environment’s CPU and network connection can be artificially throttled to mirror a specific testing condition, such as slow internet speeds.

Speed 97

Speed Google Website Metrics 97

Smashing Magazine

JANUARY 11, 2021

Build Optimizations JavaScript modules, module/nomodule pattern, tree-shaking, code-splitting, scope-hoisting, Webpack, differential serving, web worker, WebAssembly, JavaScript bundles, React, SPA, partial hydration, import on interaction, 3rd-parties, cache. Moto G4) on a slow 3G network, emulated at 400ms RTT and 400kbps transfer speed.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

OCTOBER 26, 2018

2018-10-26T13:45:46+02:00. It turned out that the time the first byte (TTFB) — which is used as an indication of the responsiveness of a web server or other network resource — took more than 3 seconds. Headless WordPress: The Ups And Downs Of Creating A Decoupled WordPress. Denis Žoljom. 2019-04-29T18:34:58+00:00.

Cache 78

Cache Website Speed Database 78

All Things Distributed

JUNE 20, 2017

The new AWS Asia Pacific (Hong Kong) Region will have three Availability Zones and be ready for customers for use in 2018. As well as AWS Regions, we also have 21 AWS Edge Network Locations in Asia Pacific. AWS Partner Network (APN) Consulting Partners in Hong Kong help customers migrate to the cloud.

AWS 146

AWS Logistics Cloud Social Media 146

KeyCDN

OCTOBER 24, 2018

Today we’re excited to announce that we’ve launched yet another POP location to help further supercharge our network’s content delivery speeds. As of August 2018, Helsinki alone had a population of almost 650,000 people. Our newest point of presence has been launched in Helsinki, Finland! What’s Next?

Internet 48

Internet Internet Speed Network 48

MachMetrics

JUNE 30, 2021

Pingdom, 2018. Now imagine if the previous test were conducted with a stable connection and you still have to test it with a 3G connection as many users still having to use a relatively slower network. Once you have configured the cache settings properly here comes the help of server response time and TTFB (Time To First Byte).

Cache 78

Cache Speed Google Website 78

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

Smashing Magazine

JANUARY 6, 2020

Globally in 2018–2019, according to the IDC, 87% of all shipped mobile phones are Android devices. If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled 3G network (e.g. Moto G4) on a slow 3G network, emulated at 400ms RTT and 400kbps transfer speed. 300ms RTT, 1.6 Mbps down, 0.8

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

If you don’t have a device at hand, emulate mobile experience on desktop by testing on a throttled network (e.g. To make the performance impact more visible, you could even introduce 2G Tuesdays or set up a throttled 3G network in your office for faster testing. 150ms RTT, 1.5 Mbps down, 0.7 Mbps up) with a throttled CPU (5× slowdown).

Performance 103

Performance Cache Metrics Network 103

Smashing Magazine

JANUARY 21, 2021

Plus a service worker that caches all static assets and serves them for repeat views, along with cached versions of articles that a reader has already visited. The reasons for it are numerous, but the most important one is a huge difference in network conditions and device hardware across the world. KB, Brotlified).

Performance 145

Performance Cache Mobile Network 145

Brendan Gregg

AUGUST 18, 2019

6 * 7 * Copyright 2018 Netflix, Inc. the "License") 9 * 10 * 13-Sep-2018 Brendan Gregg Created this. There are also two modes visible, one between 1 and 2 milliseconds, and another between 8 and 16 milliseconds: this sounds like cache hits and cache misses. 1 /* 2 * biolatency.bt Block I/O latency as a histogram.

Latency 68

Latency C++ Cache Programming 68

Dean Hume

APRIL 24, 2018

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40

Energy Cache Traffic Website 40

Dean Hume

APRIL 24, 2018

Each HTTP request that is required for the page needs to travel over the network and in turn this consumes energy on both the server and client. Without effective caching on the client, the server will see an increase in workload, more CPU usage and ultimately increased latency for the end user. Show me the money!

Energy 40

Energy Cache Traffic Website 40

The Morning Paper

JUNE 20, 2019

In total, there were 112 such incidents over the period March – September 2018 (not all of them affecting external customers). Microsoft is also using fuzz testing, cloud contract checking, and network configuration verification tools. Data formats. the most common causes are data format change (21%).

Cloud 81

Cloud Azure Cache C++ 81

Rigor

SEPTEMBER 3, 2019

In one high-profile example, Amazon dealt with significant outages on Prime Day 2018 , which may have cost them as much as $99 million in sales. JCrew’s site went down on Black Friday 2018 for five hours , costing the company more than $700,000 in sales and impacting approximately 323,000 shoppers. Case studies abound.

Website 74

Website Cache Ecommerce Traffic 74

Alex Russell

APRIL 29, 2021

Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. After years of standards discussion and the first delivered to other platforms in 2018, iOS 14.5 April 2018 , but not usable until several releases later). Delayed five years. Gamepad API. Pointer Lock. Media Recorder.

Media 145

Media Games Education Engineering 145

KeyCDN

SEPTEMBER 12, 2019

An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection.

Social Media 106

Social Media Media Google Website 106

Jos

JUNE 2, 2018

presented in Google IO 2018 ( source ) These tools make it easier to determine where we need to put emphasis to improve our sites. Simulate bad network conditions and slow CPUs and make your project resilient. How would you architecture a non-trivial size web project (client, server, databases, caching layer)?

Performance 237

Performance Speed Google Media 237

Smashing Magazine

JANUARY 15, 2019

The Mozilla Internet Health Report 2018 states that — especially as the Internet expands into new territory — “sustainability should be a bigger priority.” This includes the work done by the server, the client and the intermediary communications networks that transmit data between the two. Reduce Network Requests.

Website Performance 73

Website Performance Website Energy Performance 73

ACM Sigarch

MARCH 18, 2019

an instruction or network transaction). For example, how many buffers must a cache have to record outstanding misses if it receives 2 memory references per cycle at 2.5 He is a fellow of IEEE and the ACM, serves as Chair of the Computer Community Consortium (2018-20) and served as Wisconsin Computer Sciences Department Chair 2014-17.

Systems 60

Systems Latency Performance Analytics 60

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. JavaScript is the single most expensive part of any page in ways that are a function of both network capacity and device speed. The median user is on a slow network.

Performance 68

Performance Benchmarking Network Mobile 68

ACM Sigarch

MARCH 25, 2019

Assume that a computer must handle network packets arriving unscheduled at a rate R = 10 packets/second with a goal of handling each packet with a total latency (including waiting) of L = 100 ms. For the previous cache miss buffer example, the 32-buffer answer is minimal for 100-ns average miss latency. Morgridge Professor and Gene M.

Systems 53

Systems Latency Performance C++ 53

Jos

JUNE 2, 2018

presented in Google IO 2018 ( source ). Simulate bad network conditions and slow CPUs and make your project resilient. How would you architecture a non-trivial size web project (client, server, databases, caching layer)? They can be run as a one-off or integrated in our development and deployment pipelines.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

JUNE 30, 2021

A ServiceWorker is a short-lived , isolated JavaScript scope running in a separate thread, functioning as a proxy for every network request originating from pages of the same origin. Paul Lewis and I once explored actor-centric app architecture at Chrome Dev Summit 2018. Of course, this model doesn’t come without its problems.

Games 145

Games Architecture Code C++ 145

Smashing Magazine

NOVEMBER 22, 2021

While mobile devices have come a long way in terms of network and CPU speed, many of them are still significantly underpowered when compared to desktops, especially in countries where mobile connectivity is still poor. Back in 2018 Google announced that sites with especially slow pages on mobile would be penalized. Large preview ).

Website 126

Website Performance Google Media 126

The Netflix TechBlog

JULY 1, 2019

Our UI runs on top of a custom rendering engine which uses what we call a “surface cache” to optimize our use of graphics memory. Surface Cache Surface cache is a reserved pool in main memory (or separate graphics memory on a minority of systems) that the Netflix app uses for storing textures (decoded images and cached resources).

Cache 166

Cache Design Testing Development 166

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. Servers and Networks.

Network 104

Network Servers Cache Traffic 104

Smashing Magazine

NOVEMBER 12, 2021

They were introduced at the React Conf 2018 to address three major problems of class components: wrapper hell, huge components, and confusing classes. Particularly, when dealing with web sockets, you may need to unsubscribe from the network to save resources and improve performance when the component unmounts. Ifeanyi Dike.

Code 118

Code Availability Efficiency Performance 118