Speed Curve

FEBRUARY 5, 2024

That performance golden rule still holds true today. However, that pesky 20% on the back end can have a big impact on downstream metrics like First Contentful Paint (FCP), Largest Contentful Paint (LCP), and any other 'loading' metric you can think of. 80% of end-user response time is spent on the front end.

Servers 57

Servers Cache Retail Benchmarking 57

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

Smashing Magazine

JUNE 2, 2021

Improving The Performance Of An Online Store (Case Study). Improving The Performance Of An Online Store (Case Study). Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. For this article, we will focus on the first three and the performance adjustments for these.

Performance 117

Performance Cache Website Mobile 117

Percona

SEPTEMBER 1, 2023

MySQL server performance can sometimes be perplexing, and if you’ve ever wondered about the role of triggers in influencing your MySQL server’s memory allocation, this post is for you. This can affect the overall performance of your database system, potentially leading to slower response times. .”

Cache 60

Cache Database Games Healthcare 60

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

SQL Performance

APRIL 13, 2020

His version can be used for the plan cache – the only challenge there is the information is transient, so you may not capture every query that uses a particular index. If possible, I'll also consider execution counts (from Query Store or the plan cache) to not just understand what query uses an index, but how frequently that query executes.

Tuning 137

Tuning Cache Metrics Testing 137

Dynatrace

AUGUST 12, 2019

Resolve performance problems rooted in the Oracle database layer. With additional data from the database server, you’ll be able to resolve performance problems that are rooted deep in the database layer. For each statement, we provide you with 14 metrics. Oracle performance metrics.

Database 127

Database Metrics Cache Servers 127

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 104

Performance Cache Metrics Network 104

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. Having a slow site might leave you on page 452 of search results, regardless of any other metric. Lighthouse.

Cache 92

Cache Social Media Media Website 92

Smashing Magazine

JULY 18, 2022

If you think that static rendering is limited to generic, public content that is the same for every user of your website, you should definitely read this article. You are now “Head of Performance” at Repairing Magazine, the most serious competitor to Smashing Magazine. Static Rendering Gives The Best Performances But Is Less Flexible.

Cache 117

Cache Website Energy Servers 117

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

Smashing Magazine

NOVEMBER 17, 2022

That is why, today, Web Performance is as important and trendy as having an online presence. Table of Contents: What Is Web Performance? What Is Web Performance? Web performance refers to the speed at which a website loads, how fast it’s downloaded, and how an app is displayed on the user’s browser. Conclusion.

Media 108

Media Cache Website Mobile 108

MachMetrics

JUNE 30, 2021

Website performance & speed plays a major role in the success of an online business. High-performing fast sites attract and preserve users better than low-performing ones. The screenshot below explains that page load time and lighthouse performance scores are not the same, yet they are really close to each other.

Cache 78

Cache Speed Google Website 78

Brendan Gregg

FEBRUARY 9, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar.

Performance 75

Performance Benchmarking Cache Tuning 75

CSS - Tricks

MARCH 29, 2021

Maybe it’s part of a performance review to identify critical CSS and reduce unused selectors. Generally, code auditing involves analyzing code to find bugs or other irregularities, like possible performance issues. It may not be critical data to know, but sometimes it helps to understand the caching strategy. Table of contents.

Code 110

Code Media Cache Energy 110

Tim Kadlec

MARCH 19, 2018

This got me wondering: how well does AMP really perform. Evaluating the effectiveness of AMP from a performance standpoint is actually a little less straightforward than it sounds. You have to consider at least four different contexts: How well does AMP perform in the context of Google search?

Cache 79

Cache Google Speed Metrics 79

MachMetrics

DECEMBER 14, 2019

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. Similar to our article Average Page Load Times for 2018 , we’ll go over the averages for metrics and help you determine if your site is faster or slower than average.

Best Practices 105

Best Practices Speed Mobile Google 105

Dynatrace

APRIL 8, 2020

— Excerpt from How Garbage Collection works in the Dynatrace Performance eBook) . However, garbage collection is one of the main sources of performance and scalability issues in any modern Java application. To see why, navigate to the Suspension chart on the JVM metrics tab. .

Speed 164

Speed Code Java Lambda 164

Tim Kadlec

JUNE 17, 2020

Awhile back, I wrote about using Netlify and SpeedCurve to A/B test performance changes. For all HTML responses, I pass a Cache-control: max-age=900, must-revalidate header. This tells the browser to cache the response for 15 minutes ( 900 ⁄ 60 ). The one I specifically mentioned was testing out Instant.Page on my site.

Cache 80

Cache Servers Testing Performance 80

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

The Morning Paper

OCTOBER 6, 2019

Model performance is not the same as business performance. Lesson 2: model performance is not the same as business performance. Booking.com estimate the value delivered by a model through randomized controlled trials which measure the impact on business metrics. Be clear about the problem you’re trying to solve.

Latency 102

Latency Metrics Cache Design 102

Brendan Gregg

FEBRUARY 8, 2018

The recently revealed [Meltdown and Spectre] bugs are not just extraordinary issues of security, but also performance. The patches that workaround Meltdown introduce the largest kernel performance regressions I've ever seen. Some older kernels have the KAISER patches for Meltdown, and so far the performance overheads look similar.

Performance 40

Performance Benchmarking Cache Tuning 40

Tim Kadlec

MARCH 7, 2017

When they split the talks out into separate videos, I’d definitely recommend watching this one. As a performance “framework”, it would be ok. I’d rather that the concern for them was about performance and better user experience but it’s about SEO and search rankings. And that concerns me.

Cache 72

Cache Google Performance Metrics 72

The Netflix TechBlog

JUNE 14, 2023

This blog post will share broadly-applicable techniques (beyond GraphQL) we used to perform this migration. And we definitely couldn’t replay test non-functional requirements like caching and logging user interaction. So, we relied on higher-level metrics-based testing: AB Testing and Sticky Canaries.

Traffic 353

Traffic Latency Cache Metrics 353

Tim Kadlec

OCTOBER 8, 2015

The story was about a fast food chain that determined customer service was an important metric that they needed to track in some way. The AMP Project is an open source initiative to improve performance and distribution on the mobile web. You can build your sites to be prerender and cache friendly.

Cache 75

Cache Google Mobile Open Source 75

Smashing Magazine

MARCH 7, 2022

In my last article , I suggested using the SaveData API to deliver a different, more performant, experience to users that expressed that desire. In the past, Chrome used to perform changes to the website by proxying requests via their servers (similar to how Opera Mini works), but doing that is usually frowned upon these days.

Website 105

Website Media Mobile Network 105

High Scalability

NOVEMBER 25, 2019

Edge caching. In general, Egnyte connect architecture shards and caches data at different levels based on: Amount of data. Nginx for disk based caching. We use different types of caching techniques depending on the problem statements. Disk based caching. Hybrid Sync. On prem data processing. Offline access.

Architecture 52

Architecture Cache Azure Storage 52

SQL Server According to Bob

JANUARY 11, 2020

This will help you increase system performance and avoid I/O environment errors. Atomicity A transaction must be an atomic unit of work; either all of its data modifications are performed or none of them are performed. This cache is often supported by a battery-powered backup facility.

Servers 40

Servers Cache Media Hardware 40

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 ). Robin Marx. 2021-08-23T06:20:00+00:00.

Performance 107

Performance Network Latency Servers 107

Smashing Magazine

NOVEMBER 30, 2021

Improving The Performance Of Wix Websites written by Dan Shappir. So we’re throwing a ton of client-side JS at people, and that introduces a ton of agility and performance issues. And so we can definitely dig into that in a bunch of different angles, depending on where you want to take this conversation. The Lean Web book.

Technology 96

Technology Technology Servers Code 96

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!), HTTP/3 performance features. then this final piece includes all you need to know to get started!

Network 107

Network Servers Cache Traffic 107

Smashing Magazine

AUGUST 9, 2021

Often they make it seem as if HTTP/3 is a revolution in performance, while it is really a more modest (yet still useful!) It was heralded as an amazing performance revolution, with exciting new features such as server push, parallel streams, and prioritization. HTTP/3 performance features ( coming up soon! ).

Transportation 145

Transportation Internet Internet Network 145