CSS Wizardry

MARCH 3, 2019

If there is a newer file available on the server, we definitely want to download it. If, however, there wasn’t a new file on the server, we’ll bring back a 304 header, no new file, but an entire roundtrip of latency. We can completely cut out the overhead of a roundtrip of latency. What do we mean by a mutable or immutable file?

Cache 264

Cache Latency Strategy Servers 264

Dotcom-Montior

NOVEMBER 16, 2021

In one of our previous articles , we discussed what an SRE is, what they do, and some of the common responsibilities that a typical SRE may have, like supporting operations, dealing with trouble tickets and incident response, and general system monitoring and observability. Monitoring. Monitoring can provide a way to differentiate between.

Monitoring 91

Monitoring Google DevOps Engineering 91

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. Checking those available: $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource. Over the years, more and more articles have been published about clocksource in virtual machines, and it's now a well-known issue.

Speed 126

Speed Java AWS Virtualization 126

Percona

SEPTEMBER 1, 2023

This results in expedited query execution, reduced resource utilization, and more efficient exploitation of the available hardware resources. This reduction in latency ensures that applications and websites provide a more rapid and responsive user experience. To maximize indexing benefits, be sure to follow best practices.

Tuning 52

Tuning Database Performance Hardware 52

CSS - Tricks

APRIL 1, 2021

The code for the site is available on GitHub for reference. In that spirit, what we’re looking at in this article is focused more on the incremental wins and less on providing an exhaustive list or checklist of performance strategies. It’s is a Google service that audit things performance, accessibility, SEO, and best practices.

Cache 92

Cache Social Media Media Website 92

Speed Curve

MAY 1, 2023

LCP is only available in Chromium-based browsers, so if you have a significant number of users that come in via other browsers, you should also consider tracking Last Painted Hero, below. > INP logs the latency of all interactions throughout the entire page lifecycle. It's only tracked on certain elements, e.g., IMG and VIDEO.

Performance 98

Performance Metrics Media Google 98

Smashing Magazine

MAY 20, 2020

This article will help you with exactly that. The metrics selection is outside of the scope of this article and depends highly on the project context, but I recommend that you start by reading User-centric Performance Metrics by Philip Walton. The first questions we should ask ourselves are: “What is the performant project?”

Performance 100

Performance Metrics Best Practices Code 100

SQL Performance

SEPTEMBER 17, 2019

This article will cover many areas that database administrators need to be aware of in order to properly license, recover, and tune a Reporting Services installation. Best practice for DBAs is really to just treat ReportServer and ReportServerTempDB like any other user database. Reporting Services Infrastructure.

Tuning 67

Tuning Servers Database Best Practices 67

Smashing Magazine

AUGUST 3, 2023

While dynamic serving provides simplicity in implementation, it imposes significant time costs due to the computational resources required to generate the pages and the latency involved in serving these pages to users at distant locations. It also reports on mobile usability, security, and best practices such as HTTPS.

Performance 75

Performance Cache Traffic Metrics 75

KeyCDN

JUNE 20, 2019

In this article we’re going to discuss various methods for improving eCommerce conversion rates. Here are a couple of examples from Etsy’s website: Limited quantities available Product added to customer carts 3. This reduces latency and speeds up your website. Here are a few common offers you can use: On sale (e.g.

Ecommerce 41

Ecommerce Speed Website Mobile 41

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. The change was obvious in the production graphs, showing a drop in write latencies: Once tested more broadly, it showed the write latencies dropped by 43%, delivering slightly better performance than on CentOS. in total.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

A Cassandra database cluster had switched to Ubuntu and noticed write latency increased by over 30%. The change was obvious in the production graphs, showing a drop in write latencies: Once tested more broadly, it showed the write latencies dropped by 43%, delivering slightly better performance than on CentOS. in total.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

JANUARY 11, 2021

Usually, the most specific and relevant ones are: Time to Interactive (TTI) The point at which layout has stabilized , key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Largest Contentful Paint ( LCP ) < 2.5 considerations.

Performance 145

Performance Cache Media Metrics 145

CSS - Tricks

MARCH 16, 2020

Google Lighthouse is one of the best-automated tools available on a web developer's utility belt. These are: Performance Accessibility Best Practices SEO Progressive Web App. If your latency is higher than 50ms, users may perceive your app as laggy. What is Google Lighthouse? total-blocking-time 59 31.5

Google 82

Google Latency Website Metrics 82

Smashing Magazine

JANUARY 7, 2019

Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Estimated Input Latency tells us if we are hitting that threshold, and ideally, it should be below 50ms.

Performance 104

Performance Cache Metrics Network 104

Percona

MAY 15, 2023

Best practices indicate that having ProxySQL closer to the application will be more efficient, especially if we decide to activate the caching feature. Let’s see the write operations with 24 and 64 threads: We get a gain of ~33% just using sharding, while for latency, we do not have a cost. When will this solution fit in?

Traffic 122

Traffic Scalability Database Servers 122

Smashing Magazine

JANUARY 6, 2020

Usually, the most specific and relevant ones are: Time to Interactive (TTI) The point at which layout has stabilized, key webfonts are visible, and the main thread is available enough to handle user input — basically the time mark when a user can interact with the UI. Large preview ).

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

AUGUST 22, 2021

HTTP/3 performance features ( current article ). Practical HTTP/3 deployment options ( coming up soon! ). Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Two-way latency is often called round-trip time (RTT).

Performance 107

Performance Network Latency Servers 107

SQL Server According to Bob

JANUARY 11, 2020

​​ Various defragmentation ​​ utilities ​​ are ​​ available ​​ on the market today. 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

SEPTEMBER 6, 2021

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. Finally, not inlining resources has an added latency cost because the file needs to be requested. HTTP/3 performance features.

Network 107

Network Servers Cache Traffic 107

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”. We will discuss these features in more depth later in this article.

Transportation 145

Transportation Internet Internet Network 145

Smashing Magazine

SEPTEMBER 29, 2021

Additional format vs quality comparisons are available for photography and illustrations. While there was no direct method to create or view AVIF files earlier, you can easily do so now with the open-source utilities available. Note: Image CDNs are mentioned a few times in this article. AVIF Tooling And Support. Large preview ).

Open Source 145

Open Source Speed Website Google 145