Smashing Magazine

JANUARY 11, 2021

Front-End Performance Checklist 2021. Front-End Performance Checklist 2021. This guide has been kindly supported by our friends at LogRocket , a service that combines frontend performance monitoring , session replay, and product analytics to help you build better customer experiences. Web performance is a tricky beast, isn’t it?

Performance 145

Performance Cache Media Metrics 145

Alex Russell

MARCH 6, 2021

Back in 2016, I gave a talk outlining the causes and effects of the terrible performance of web apps built using popular tools on the fastest-growing device segment: low-end to mid-range Android phones. Poor performance has a compound effect on user expectations at an ecosystem level. Live by the link, die by the link.

Performance 124

Performance Network Cache Metrics 124

Percona

MARCH 20, 2023

Let us take a look also the latency: Here the situation starts to be a little bit more complicated. MySQL Router is the one that has the higher latency no matter what. HAProxy performs better with a low number of connections, while ProxySQL performs better when a high number of connections is in place. and ProxySQL 6.6k.

Games 123

Games Latency Traffic Cache 123

Dotcom-Montior

NOVEMBER 24, 2021

Do you have a web server? Is the web server running? The last item to check was if the web server was able to talk to the database? By definition, a distributed system is any system that comprises of multiple components on variety of machines that work together to appear as a single, organized system. Peer-to-Peer.

Systems 74

Systems Monitoring Hardware Network 74

CSS Wizardry

MAY 19, 2020

With more standardised FOUT/FOIT behaviour from browser vendors, to the newer font-display specification, performance—and therefore the user—seems to have been finally been put front-and-centre. On this site, in which performance is the only name of the game, I forgo web fonts entirely, opting instead to make use of the visitor’s system font.

Google 364

Google Media Latency Metrics 364

KeyCDN

FEBRUARY 4, 2021

This query is performed by a Domain Name Server (DNS server) or servers nearby that have been assigned responsibility for that hostname. You can think of a DNS server as a phone book for the internet. A DNS server maintains a directory of domain names and translates them to IPs.

Cache 134

Cache Website Internet Internet 134

Smashing Magazine

JANUARY 6, 2020

Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2020 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 145

Performance Cache Network Metrics 145

Testsigma

JULY 23, 2020

Let’s briefly describe the basic definitions of each of them first and then describe in detail the underlying differences that make them fall apart in certifying the quality of each of them. Any network-related latencies result in performance hindrances in these types of applications.

Testing 63

Testing Internet Internet Latency 63

Dynatrace

JULY 10, 2019

OneAgents are optimized to send data to the Dynatrace servers with the smallest possible impact, querying the metrics every minute, and the data is a first-class citizen for the Dynatrace AI root-cause analysis. JMX plugins are fully integrated into Dynatrace, and you can create them from the UI. OneAgent & cloud metrics.

Java 137

Java Best Practices Metrics Azure 137

Smashing Magazine

AUGUST 10, 2023

The tooling to get a report with details from the time it takes to establish a server connection to the time it takes for the full page to render is out there. Large preview ) I don’t know about you, but it often feels like I’m missing something when measuring page speed performance. The key word here is “monitoring” performance.

Speed 81

Speed Monitoring Testing Network 81

Randon ASCII

AUGUST 30, 2020

Sometimes tracking down a bug is as simple as paying attention to server dashboards, spending a few minutes in a profiler, or looking at compiler warnings. Server CPU Surprise. A few years ago I spent a few weeks doing some memory investigations on live game servers. The first server process that I profiled was… odd.

Games 142

Games Servers Code Monitoring 142

CSS - Tricks

APRIL 1, 2021

Site performance is potentially the most important metric. The better the performance, the better chance that users stay on a page, read content, make purchases, or just about whatever they need to do. Here’s the thing: performance is more than a one-off task. billion if the site slowed down by just one second. Lighthouse.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

JANUARY 7, 2019

Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Front-End Performance Checklist 2019 [PDF, Apple Pages, MS Word]. Web performance is a tricky beast, isn’t it? How do we actually know where we stand in terms of performance, and what our performance bottlenecks exactly are? Vitaly Friedman.

Performance 103

Performance Cache Metrics Network 103

Percona

MAY 15, 2023

Nothing is impossible; however, the performances will be so impacted that each operation may take seconds instead of milliseconds or a fraction of it unless lifting some of the rules breaks the relational model. In the MySQL open source ecosystem, we have only two consolidated ways to perform sharding — Vitess and ProxySQL.

Traffic 125

Traffic Scalability Database Servers 125

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

ScaleOut Software

JULY 14, 2021

Azure Digital Twins for creating a graphical representation of the assets within an organization using the Digital Twin Definition Language, processing events, and visualizing entity graphs to display and query status. Azure digital twins serve a different purpose.

IoT 52

IoT Azure Analytics Serverless 52

Alex Russell

OCTOBER 22, 2017

TL;DR: performance budgets are an essential but under-appreciated part of product success and team health. Nobody is trying to do a poor job, and yet the results of a “completed” PWA project often require weeks or months of painstaking rework to deliver minimally acceptable performance. Partner meetings are illuminating.

Performance 68

Performance Benchmarking Network Mobile 68

Dotcom-Montior

DECEMBER 8, 2021

Systems, web applications, servers, devices, etc., are all prone to performance issues and unexpected outages at some point. By ITIL definition, the service desk may take the form of incident resolution or service requests, but whatever the case, the primary goal of the service desk to provide quick and efficient service.

Social Media 90

Social Media Monitoring Latency DevOps 90

CSS - Tricks

MARCH 16, 2020

to run Google Lighthouse audits via the command line, save the reports they generate in JSON format and then compare them so web performance can be monitored as the website grows and develops. These are: Performance Accessibility Best Practices SEO Progressive Web App. Here’s what a full report looks like. Let’s find out how.

Google 82

Google Latency Website Metrics 82

Percona

MAY 2, 2023

PBM is a fully-supported community backup tool capable of performing cluster-side consistent backups in MongoDB for replica sets and sharded clusters. Best practice tip : It is always advisable to use secondary servers for backups to avoid unnecessary performance degradation on the PRIMARY node.

Best Practices 52

Best Practices Database Storage Servers 52

Testsigma

DECEMBER 12, 2020

There are a lot of ways to perform cross-browser testing but the most efficient is to go for a cloud-based tool such as Testsigma. How To Perform Cross-Browser Testing on Every Combination? For example, creating and maintaining the selenium grid, you can leverage the servers of this tool online and just focus on writing the tests.

Testing 53

Testing Operating System Website Latency 53

The Netflix TechBlog

JUNE 14, 2023

This blog post will share broadly-applicable techniques (beyond GraphQL) we used to perform this migration. Before GraphQL: Monolithic Falcor API implemented and maintained by the API Team Before moving to GraphQL, our API layer consisted of a monolithic server built with Falcor. To launch Phase 1 safely, we used AB Testing.

Traffic 353

Traffic Latency Cache Metrics 353

All Things Distributed

DECEMBER 5, 2010

I am very excited that today we have launched Amazon Route 53, a high-performance and highly-available Domain Name System (DNS) service. It would not be a first that a customer thinks that his EC2 instance is down when in reality it is some name server somewhere that is not functioning correctly. Comments ().

Cloud 117

Cloud Internet Internet AWS 117

KeyCDN

SEPTEMBER 12, 2019

We normally focus solely on the performance aspect, but today we want to dive into additional ways you can optimize images for the web. The file size of your images of course is very important, but SEO and social media also play an important part in helping your website perform and convert better.

Social Media 106

Social Media Media Google Website 106

The Netflix TechBlog

JUNE 13, 2023

Migrating Critical Traffic At Scale with No Downtime — Part 2 Shyam Gala , Javier Fernandez-Ivern , Anup Rokkam Pratap , Devang Shah Picture yourself enthralled by the latest episode of your beloved Netflix series, delighting in an uninterrupted, high-definition streaming experience.

Traffic 279

Traffic Metrics Systems Strategy 279

The Netflix TechBlog

FEBRUARY 9, 2021

The API server orchestrates backend systems to authenticate the user. Upon successful authentication of the claims provided, the API server sends a cookie response back upstream, including the customerId (a Long), the ESN (a String) and an expiration directive. Zuul redirects the user call to the API /login endpoint.

Architecture 221

Architecture Latency Servers Website 221

Smashing Magazine

AUGUST 22, 2021

HTTP/3: Performance Improvements (Part 2). HTTP/3: Performance Improvements (Part 2). In this second part, we will zoom in on the performance improvements that QUIC and HTTP/3 bring to the table for web-page loading. HTTP/3 performance features ( current article ). Two-way latency is often called round-trip time (RTT).

Performance 105

Performance Network Latency Servers 105

Brendan Gregg

SEPTEMBER 5, 2017

Here's some output from my zfsdist tool, in bcc/BPF, which measures ZFS latency as a histogram on Linux: # zfsdist. Tracing ZFS operation latency. As a performance engineer who does kernel tracing, I find the lack of an ID I can trace in the kernel to be pretty annoying. Oracle VM Server is based on Xen.

Virtualization 76

Virtualization AWS Engineering Hardware 76

The Agile Manager

JULY 9, 2010

They are, by definition, far more risk prone. This includes things like data storage, servers, e-mail, office productivity applications, virus protection, security and so forth. The remaining 30% of today's IT spend is investment into proprietary technology that amplifies the performance of the business to increase yield.

Retail 45

Retail Technology Technology Small Business 45

Smashing Magazine

SEPTEMBER 24, 2021

Over those years, we have seen the technology stack evolve from server-rendered pages with some minor JavaScript and CSS to full-blown JavaScript applications. Although mixing the concepts of a server web framework like ASP.NET with a client-side web framework like React made things more complicated, we were quite happy with the solution.

Website 113

Website Code Servers Analytics 113

O'Reilly Software

MARCH 7, 2018

blocking), discarding data, or none—which can lead to resilience problems, poor performance, or worse: rapid unscheduled disassembly in production. map(e -> e.toString): is a flow stage that is performing a transformation—turning Integers into Strings—and is of type Flow. Furthermore, the deployment tooling was not ready for SOA.

Transportation 72

Transportation Java Programming Architecture 72

The Netflix TechBlog

FEBRUARY 9, 2021

Server-generated assets, since client-side generation would require the retrieval of many individual images, which would increase latency and time-to-render. To reduce latency, assets should be generated in an offline fashion and not in real time. We can leverage high performance VMs in AWS to generate the assets.

Engineering 165

Engineering Storage Latency Entertainment 165

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process.

Cache 240

Cache Database Servers Latency 240

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. HTTP/3 performance features ( coming up soon! ).

Transportation 145

Transportation Internet Internet Network 145

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process.

Cache 112

Cache Database Servers Latency 112

The Netflix TechBlog

NOVEMBER 4, 2019

This aggregator would need to perform more complex operations, such as searching for creatives by ranking even though the ranking data is stored two hops away in another service. By batching and parallelizing the requests to retrieve many creatives via a single query to the GraphQL server, we can optimize the index building process.

Cache 100

Cache Database Servers Latency 100

Smashing Magazine

SEPTEMBER 6, 2021

If after the previous two parts — HTTP/3 history and core concepts and HTTP/3 performance features — you’re convinced that starting to use the new protocols is a good idea (and you should be!), 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)).

Network 104

Network Servers Cache Traffic 104