Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. HTML, CSS, images, and fonts can all be parsed and run at near wire speeds on low-end hardware, but JavaScript is at least three times more expensive, byte-for-byte. What's changed since last year? and 75KiB of JavaScript.

Performance 90

Performance Network Mobile Speed 90

Percona

JUNE 22, 2023

Query performance Query performance is a key performance indicator (KPI) in MySQL, as it measures the efficiency and speed of query execution. Replication lag can occur due to various factors such as network latency, system resource limitations, complex transactions, or heavy write loads on the primary/master database.

Performance 102

Performance Monitoring Traffic Database 102

Speed Curve

SEPTEMBER 4, 2013

Why speed matters, examples of the impact saving a few seconds of load time has had on revenue and engagement. The network constraints and what makes the web slow? Bandwidth, latency and it's fundamental impact on the speed of the web. Competitive Benchmarking SpeedCurve. How to make your website faster. References.

Speed 40

Speed Benchmarking Latency Mobile 40

Smashing Magazine

MARCH 2, 2021

After all, when we look at our analytics, we will hardly find any customers browsing our sites or apps with a mid-range device on a flaky 3G connection. A performance benchmark Lighthouse is well-known. That might come a little bit unexpected. billion by 2026. Its CI counterpart not so much. Large preview ).

Mobile 134

Mobile Testing Website Benchmarking 134

Rigor

JANUARY 13, 2020

Yet, we wanted to put together our list of the top web performance books for anyone who cares about speed of the web and would like to explore the timeline of web performance engineering milestones over nearly two decades through the lens of published books. High Performance Browser Networking. Site speed & SEO go hand in hand.

Performance 75

Performance Social Media Website Website Performance 75

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

The Netflix TechBlog

SEPTEMBER 2, 2020

In one request hitting just ten services, there might be ten different analytics dashboards and ten different log stores. A span: Represents a unit of work, such as a network call from one service to another (a client/server relationship) or a purely internal action (e.g., The downside is that we have so many dashboards.

Latency 296

Latency Transportation Engineering Traffic 296

Smashing Magazine

JANUARY 11, 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. Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3. Vitaly Friedman.

Performance 145

Performance Cache Media Metrics 145

Speed Curve

JULY 2, 2013

SpeedCurve focuses on a third which I like to call web performance benchmarking. These services often check from various geographic locations to keep an eye on network routes to your server and will send you alerts via email and txt if your website is down. Web Performance Benchmarking. Uptime Monitoring. Real User Monitoring.

Benchmarking 40

Benchmarking Performance Website Analytics 40

Smashing Magazine

JUNE 1, 2022

These services use requests to external hosts (not servers you control) to deliver JavaScript framework libraries, custom fonts, advertising content, marketing analytics trackers, and more. And JavaScript can certainly make requests for additional network resources. Your website may be using more third-party services than you realize.

Website 131

Website Design Network Best Practices 131

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. Adjust the argument depending on the group of stakeholders you are speaking to. Large preview ).

Performance 145

Performance Cache Network Metrics 145

Alex Russell

MAY 9, 2022

Reduced network and device capacity correlate with other access challenges. through one of the dozens of analytics tools they've inevitably integrated over the years), but nobody looks at it. Folks with powerful laptops, new iPhones, and low-latency networks are noticing, which is a very bad sign. Photo by von Vix.

Performance 86

Performance Latency Metrics Engineering 86

High Scalability

NOVEMBER 25, 2019

To add elasticity, reliability and durability, these data centers are connected to Google Cloud platform using high speed, secure Google Interconnect network. As events are immutable we were caching them in Memcache for 12 hours but even them downloading the same events so many times from Memcache was causing network issues.

Architecture 52

Architecture Cache Azure Storage 52