Brendan Gregg

FEBRUARY 28, 2023

My personal opinion is that I don't see a widespread need for more capacity given horizontal scaling and servers that can already exceed 1 Tbyte of DRAM; bandwidth is also helpful, but I'd be concerned about the increased latency for adding a hop to more memory. Or even on a plane.

Performance 52

Performance Latency Cache Virtualization 52

CSS Wizardry

OCTOBER 16, 2023

I began writing this article in early July 2023 but began to feel a little underwhelmed by it and so left it unfinished. Compressing them over the network: Which compression algorithm, if any, will we use? in this article. 4,362ms of cumulative latency; 240ms of cumulative download. If you are still running HTTP/1.1,

Cache 291

Cache Latency Strategy Speed 291

CSS - Tricks

JULY 25, 2019

This article is from my friend Ben who runs Calibre , a tool for monitoring the performance of websites. In this article, we uncover how PageSpeed calculates it’s critical speed score. In this article, we uncover how PageSpeed calculates it’s critical speed score. Recommended! In PageSpeed 5.0,

Google 71

Google Engineering Speed Mobile 71

Smashing Magazine

OCTOBER 31, 2023

Answering Common Questions About Interpreting Page Speed Reports Answering Common Questions About Interpreting Page Speed Reports Geoff Graham 2023-10-31T16:00:00+00:00 2023-10-31T17:06:18+00:00 This article is sponsored by DebugBear Running a performance check on your site isn’t too terribly difficult.

Speed 97

Speed Google Website Metrics 97

MachMetrics

OCTOBER 16, 2019

Elon Musk’s need for speed. However, there is excitement around Starlink for other reasons – namely, the implications it might have for internet speed and latency – even by just a small amount (20 milliseconds on average). This ultimately guides us to one conclusion: Speed is incredibly important.

Internet 44

Internet Internet Latency Speed 44

Smashing Magazine

AUGUST 15, 2023

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. That’s practically an eternity when talking about page speed performance. Homepage with DevTools Network inspection enabled and open.

Media 73

Media Metrics Mobile Best Practices 73

Smashing Magazine

SEPTEMBER 28, 2022

The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. It essentially describes the lifetime of each file you download to load your page from the network. You can see this by opening your browser and looking in the Networking tab.

Cache 126

Cache Performance Servers Social Media 126

Smashing Magazine

AUGUST 10, 2023

Running A Page Speed Test: Monitoring vs. Measuring Running A Page Speed Test: Monitoring vs. Measuring Geoff Graham 2023-08-10T08:00:00+00:00 2023-08-10T12:35:05+00:00 This article is sponsored by DebugBear There is no shortage of ways to measure the speed of a webpage. Lighthouse results.

Speed 81

Speed Monitoring Testing Network 81

All Things Distributed

SEPTEMBER 25, 2017

This Region will consist of three Availability Zones at launch, and it will provide even lower latency to users across the Middle East. I'm also excited to announce today that we are launching an AWS Edge Network Location in the United Arab Emirates (UAE) in the first quarter of 2018.

Cloud 152

Cloud Education Energy Government 152

KeyCDN

SEPTEMBER 12, 2019

When it comes to marketing your website, there are a lot of different aspects to consider, such as speed, SEO, conversation rates, bounce rate, and many others. An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network.

Social Media 106

Social Media Media Google Website 106

Smashing Magazine

APRIL 17, 2019

In this article we’ll take a look at the main types of Resource Hints and when and where we can use them in our pages. This typically happens once per server and takes up valuable time — especially if the server is very distant from the browser and network latency is high. <link rel="preconnect" href="[link].

Performance 106

Performance Games Servers Cache 106

Scalegrid

MARCH 28, 2024

Introduction Caching serves a dual purpose in web development – speeding up client requests and reducing server load. This article will explore how they handle data storage and scalability, perform in different scenarios, and, most importantly, how these factors influence your choice.

Cache 130

Cache Storage Scalability Architecture 130

Scalegrid

MARCH 14, 2024

This article will explore hybrid cloud benefits and steps to craft a plan that aligns with your unique business challenges. When delving into the networking aspect of a hybrid cloud deployment, complexities arise due to the requirement of linking or expanding existing on-premises network architectures into the cloud sphere.

Strategy 130

Strategy Cloud Artificial Intelligence Infrastructure 130

CSS - Tricks

APRIL 1, 2021

Speed is also something Google considers when ranking your website placement on mobile. With all of this in mind, I thought improving the speed of my own version of a slow site would be a fun exercise. I’m going to audit the performance of my slow site before and after the things we tackle in this article. Lighthouse.

Cache 92

Cache Social Media Media Network 92

Scalegrid

JANUARY 12, 2024

This article analyzes cloud workloads, delving into their forms, functions, and how they influence the cost and efficiency of your cloud infrastructure. Memory Allocation: Allocating sufficient memory linked directly to the assigned CPU ensures effective utilization resulting in better system speed.

Cloud 130

Cloud Virtualization Storage Efficiency 130

Smashing Magazine

AUGUST 3, 2023

Largest Contentful Paint (LCP) LCP measures the perceived load speed of a webpage from a user’s perspective. You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Adding to this complexity is the effect of seasonality.

Performance 74

Performance Cache Traffic Metrics 74

KeyCDN

FEBRUARY 4, 2021

Source: nameshield.com Why reliable DNS hosting is important Choosing a reliable DNS hosting provider is critical because it can affect everything from the redundancy of your website, speed, and even security. Oddly enough we encountered this error to a third party website while writing this article. So DNS services definitely go down!

Cache 134

Cache Website Internet Internet 134

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. HTTP/3 performance features ( current article ). A Primer on Speed.

Performance 106

Performance Network Latency Servers 106

CSS Wizardry

MARCH 3, 2019

The best request is the one that never happens: in the fight for fast websites, avoiding the network is far better than hitting the network at all. Any asset that carries the no-store directive will always hit the network, no matter what. We can completely cut out the overhead of a roundtrip of latency.

Cache 264

Cache Latency Strategy Servers 264

High Scalability

SEPTEMBER 8, 2018

RISELabs , those wonderfully innovative folks over at Berkeley, have uplifted their Anna datatabase —a shared-nothing, thread-per-core architecture to achieve lightning-fast speeds by avoiding all coordination mechanisms—to become cloud-aware. This increases the cores and network bandwidth available to serve common requests.

Storage 199

Storage Performance AWS Efficiency 199

Smashing Magazine

MARCH 25, 2021

Of the many factors that affect page-load speed, media is a significant one. A performance budget as a mechanism for planning a web experience and preventing performance decay might consist of the following yardsticks: Overall page weight, Total number of HTTP requests, Page-load time on a particular mobile network, First Input Delay (FID).

Media 118

Media Performance Mobile Latency 118

SQL Performance

APRIL 27, 2020

Hyperscale achieves high performance from each compute node having SSD-based caches which helps minimize the network round trips to fetch data. I highly recommend that you take a look at the diagram that breaks down the architecture and how it all works in this article. Serverless Database.

Azure 55

Azure Database Serverless Hardware 55

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

Brendan Gregg

AUGUST 8, 2017

For more on the equation and similar experiments, Dr. Neil Gunther has written an article on load averages: [How It Works], plus there are many Linux source block comments in [loadavg.c]. ## Linux Uninterruptible Tasks When load averages first appeared in Linux, they reflected CPU demand, as with other operating systems. Network I/O?

Latency 111

Latency Metrics C++ Systems 111

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)). Practical HTTP/3 deployment options ( current article ). You would, however, be hard-pressed even today to find a good article that details the nuanced best practices. HTTP/3 performance features.

Network 105

Network Servers Cache Traffic 105

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

Dotcom-Montior

MARCH 6, 2022

Load Time Details For Individual Elements : In the waterfall chart, when the user moves their cursor on a specific bar, he is shown a load time details which are DnsTime, ConnectTime, SSLTime, RequestTime, FirstByteTime, ResponseTime, StartTime, EndTime, Speed which is pointed in a red oval. Waiting time. If there are too many 302 redirects.

Performance 52

Performance Cache Website Speed 52

Dotcom-Montior

MAY 6, 2020

Load Time Details For Individual Elements : In the waterfall chart, when the user move his cursor on a specific bar, he is shown a load time details which are DnsTime, ConnectTime, SSLTime, RequestTime, FirstByteTime, ResponseTime, StartTime, EndTime, Speed which is pointed in a red oval. Waiting time. If there are too many 302 redirects.

Performance 53

Performance Cache Website Speed 53

Brendan Gregg

SEPTEMBER 5, 2017

I wrote an ftrace toolkit, [perf-tools], and the article [Ftrace: the hidden light switch]. - **perf**: since 2009, this started as a PMC profiler but can do tracing now as well, usually in a dump-and-post-process style. Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist.

Virtualization 76

Virtualization AWS Engineering Hardware 76

SQL Server According to Bob

JANUARY 11, 2020

Important When planning, deploying, and maintaining a Microsoft SQL Server installation, ensure that the I/O system supports all the factors outlined in this article. Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. See the article for more details.

Servers 40

Servers Cache Media Hardware 40

SQL Server According to Bob

JANUARY 11, 2020

url=/library/en-us/fileio/fs/sparse_files.asp ) ​​ on the ​​ Microsoft Developer Network ​​ (MSDN). The caching of data pages and grouping of log records helps remove much, if not all, of the command latency associated with a write operation.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

JANUARY 11, 2021

Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Large preview ).

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

You need a business stakeholder buy-in, and to get it, you need to establish a case study, or a proof of concept using the Performance API on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Start Render time, Speed Index ). Treo Sites provides competitive analysis based on real-world data.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

You need a business stakeholder buy-in, and to get it, you need to establish a case study on how speed benefits metrics and Key Performance Indicators ( KPIs ) they care about. Note : If you use Page Speed Insights (no, it isn’t deprecated), you can get CrUX performance data for specific pages instead of just the aggregates.

Performance 104

Performance Cache Metrics Network 104

Smashing Magazine

SEPTEMBER 29, 2021

Assuming encode/decode speeds meet your needs. Compression achieved is relevant because the higher the compression, the smaller the file size, and the lower the data required to transfer the image on the network. Encode/Decode Speed. Note: Image CDNs are mentioned a few times in this article. Large preview ).

Open Source 144

Open Source Speed Website Google 144