Speed Curve

FEBRUARY 5, 2024

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. SpeedCurve's RUM collection library – lux.js – accesses this interface to collect custom data from the user agent.

Servers 57

Servers Cache Retail Benchmarking 57

Scalegrid

APRIL 16, 2020

Each of these models is suitable for production deployments and high traffic applications, and are available for all of our supported databases, including MySQL , PostgreSQL , Redis™ and MongoDB® database ( Greenplum® database coming soon). This becomes really important for cache solutions like Redis™. Reserved Instances. Learn more.

Cloud 242

Cloud Azure AWS Database 242

Tim Kadlec

APRIL 10, 2023

I broke the percentages down by page rank (based on traffic to the site). For both desktop and mobile data, the 80 / 20 rule still holds strong. I’ve seen a lot of sites suffering from extremely volatile TTFB metrics that vary dramatically based on geography or whether or not there’s a cache hit or miss.

Performance 111

Performance Servers Mobile Metrics 111

Percona

SEPTEMBER 1, 2023

Scalability As your data volume and user base expand, a finely tuned database can seamlessly accommodate increased workloads without compromising performance. An unoptimized indexing strategy can impede data insertion and retrieval operations. This can significantly elevate user satisfaction and engagement.

Tuning 52

Tuning Database Performance Hardware 52

Dotcom-Montior

AUGUST 5, 2020

As an ad publisher, your revenue depends on two main factors: traffic to your site and ad optimization. A lot of the focus goes into the practice and processes of driving traffic to your site from an SEO perspective, but what if when visitors get to your site, they have a less than ideal experience?

Website 92

Website Speed Cache Traffic 92

Adrian Cockcroft

JANUARY 29, 2023

There is no way to model how much more traffic you can send to that system before it exceeds it’s SLA. Bill Kaiser of NewRelic published this blog in 2017 which goes some way towards what I’m talking about, but since then I have figured out a new way to interpret the data. What Is the Expected Distribution of Website Response Times?

Lambda 98

Lambda Latency Cache C++ 98

Alex Russell

MARCH 31, 2022

Browsers will cache tools popular among vocal, leading-edge developers. There's plenty of space for caching most popular frameworks. The best available proxy data also suggests that shared caches would have a minimal positive effect on performance. Suppose a user has only downloaded part of the cache.

Cache 82

Cache Government Traffic Network 82

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., This API supports the selection of a state given a list of options using the appropriate algorithm and a way to quantify the propensities, so the data can be de-biased.

Infrastructure 126

Infrastructure Metrics Architecture Efficiency 126

The Netflix TechBlog

JUNE 14, 2023

The GraphQL shim enabled client engineers to move quickly onto GraphQL, figure out client-side concerns like cache normalization, experiment with different GraphQL clients, and investigate client performance without being blocked by server-side migrations. In such cases, we were not testing for response data but overall behavior.

Traffic 353

Traffic Latency Cache Metrics 353

Tim Kadlec

JUNE 21, 2022

Scalemates.com flipped the switch to enable HTTP/3 and almost immediately HTTP/3 traffic rose to ~13% of all requests on the landing page, ~49% for all pages in total. The browser stores alt-svc info in alt-svc cache. Hypothesize first, and always confirm with data. For a new domain, the browser connects using H/1 or H/2.

Network 64

Network Mobile Google Cache 64

CSS - Tricks

JULY 25, 2019

Google wrote: Faster sites don’t just improve user experience; recent data shows that improving site speed also reduces operating costs. Cache-Headers missing? Lighthouse records metrics from the browser, applies a scoring model to them, and presents an overall performance score. What changed in PageSpeed 5.0? In PageSpeed 5.0,

Google 71

Google Engineering Speed Mobile 71

The Netflix TechBlog

OCTOBER 18, 2019

The key insight was that by assuming a latent Gaussian Process (GP) prior on the key business metric actions like viral engagement, job applications, etc., This API supports the selection of a state given a list of options using the appropriate algorithm and a way to quantify the propensities, so the data can be de-biased.

Infrastructure 100

Infrastructure Metrics Architecture Efficiency 100

Dynatrace

SEPTEMBER 17, 2019

Some vendors have just bolted on individual capabilities which often leads to six data silos. PostgreSQL & Elastic for data storage. REDIS for caching. MaaSS for Business: Data per SaaS-Tenant. The Business teams therefore built a set of dashboards that contain the data they want to see.

AWS 127

AWS Monitoring Ecommerce Lambda 127

All Things Distributed

NOVEMBER 26, 2013

Cross Region Read Replicas also enable you to serve read traffic for your global customer base from regions that are nearest to them. In addition, Amazon S3 redundantly stores data in multiple facilities and is designed for 99.999999999% durability and 99.99% availability of objects over a given year.

Cloud 145

Cloud AWS Traffic Latency 145

The Netflix TechBlog

NOVEMBER 9, 2022

A quick canary test was free of errors and showed lower latency, which is expected given that our standard canary setup routes an equal amount of traffic to both the baseline running on 4xl and the canary on 12xl. We also see much higher L1 cache activity combined with 4x higher count of MACHINE_CLEARS.

Hardware 363

Hardware Cache Performance Latency 363

Jos

JUNE 2, 2018

Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations.

Performance 237

Performance Speed Google Media 237

Scalegrid

AUGUST 30, 2019

Redis , short for Remote Dictionary Server, is a BSD-licensed, open-source in-memory key-value data structure store written in C language by Salvatore Sanfillipo and was first released on May 10, 2009. Depending on how it is configured, Redis can act like a database, a cache or a message broker. Data Structures in Redis.

Cache 232

Cache Ecommerce Social Media Database 232

Smashing Magazine

MARCH 19, 2021

In fact, we had to look into various cases for the form design: What happens when no data is provided at all? What happens when we retrieve the data from localStorage and plug it automatically in the input fields, but then autofill hasn’t been activated? What happens when some values are auto-filled , but others aren’t?

Mobile 140

Mobile Design Cache Code 140

Percona

AUGUST 8, 2023

As businesses grow and develop, the requirements that they have for their data platform grow along with it. Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. Let’s take a look at each common resource. MySQL has two main memory consumers.

Traffic 90

Traffic Cache Monitoring Database 90

Smashing Magazine

APRIL 11, 2022

Loading experience is crucial to the user’s first impression and overall usability, so Google defined Largest Contentful Paint (LCP) metric to measure how quickly the main content loads and is displayed to the user. It’s common knowledge that better website performance results in more conversions, more traffic, and better user experience.

Media 69

Media Tuning Metrics Google 69

Smashing Magazine

AUGUST 3, 2023

It increases our visibility and enables us to draw a steady stream of organic (or “free”) traffic to our site. While paid marketing strategies like Google Ads play a part in our approach as well, enhancing our organic traffic remains a major priority. The higher our organic traffic, the more profitable we become as a company.

Performance 74

Performance Cache Traffic Metrics 74

Jos

JUNE 2, 2018

Also, the speed of my internet connection is humongous and I’m close to data centres located in Stockholm and London. One could argue this is a metric-driven decision. When they dug into the data, they found that the reason load times had increased was that they got a lot more traffic from Africa after doing the optimizations.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

MAY 12, 2022

In this article, I will analyze the performance cost associated with various frameworks, based on field data collected by the Google Chrome User Experience Report , or CrUX for short. However, when reviewing this data, it’s important not to conflate correlation and causation. Collecting Core Web Vitals From The Field. Large preview ).

Google 127

Google Performance Website Mobile 127

Dynatrace

AUGUST 30, 2019

A well-established metric we provide is APDEX , which tell us how users are perceiving page load times (time to the first byte, page speed, speed index), errors (JavaScript errors, crashes,) and also factors in the overall user journey (each user interaction) including their environment (browser, geolocation, bandwidth).

Cache 193

Cache Architecture Database Government 193

The Morning Paper

JUNE 25, 2019

Designing far memory data structures: think outside the box Aguilera et al., Last time out we looked at some of the trade-offs between RInKs and LInKs , and the advantages of local in-memory data structures. For many data center applications this looks to me like it could be a compelling future choice. HotOS’19.

Design 80

Design Cache Hardware Scalability 80

Smashing Magazine

OCTOBER 31, 2023

But do you know how Lighthouse calculates performance metrics like First Contentful Paint (FCP), Total Blocking Time (TBT), and Cumulative Layout Shift (CLS)? Still, there’s nothing in there to tell us about the data Lighthouse is using to evaluate metrics. That’s what this article is about. But it comes with caveats.

Speed 97

Speed Google Website Metrics 97

The Netflix TechBlog

OCTOBER 16, 2019

consumers subscribe to data and are updated to the latest versions when they are published. Each version of the dataset is immutable and represents a complete view of the data?—?there there is no dependency on previous versions of data. Data model 1 topic -> many versions The top-level construct in Gutenberg is a “topic”.

Cache 187

Cache Architecture Metrics Java 187

The Netflix TechBlog

NOVEMBER 23, 2020

Introducing gnmi-gateway: a modular, distributed, and highly available service for modern network telemetry via OpenConfig and gNMI By: Colin McIntosh, Michael Costello Netflix runs its own content delivery network, Open Connect , which delivers all streaming traffic to our members. Some leaves are removed for brevity.

Open Source 186

Open Source Network Transportation Cache 186

IO River

NOVEMBER 2, 2023

implement a M-CDN, organizations can use traffic management tools or Multi-CDN switching solutions that distribute and route content across the various CDN providers. Outages are a common occurrence; a global outage could take the entire network down while local outages could force the CDN vendor to serve the traffic from a non-local PoP.

Best Practices 52

Best Practices Strategy Traffic Virtualization 52

Rigor

SEPTEMBER 3, 2019

It’s about ensuring that your front-end is also working perfectly, that your site can deliver a delightful experience to your users or customers, and that it is functional – even when it’s experiencing up to seven or more times the typical traffic load. Are they providing meaningful, actionable data?

Website 74

Website Cache Ecommerce Traffic 74

Smashing Magazine

MARCH 7, 2022

Save Data API. Let’s have a quick recap on the Save Data API. ways: A Save-Data header is sent on each HTTP request. The upcoming prefers-reduced-data media query, which allows CSS to set different options depending on this setting. Websites can act on the Save Data preference to give a lighter website to… well.

Website 103

Website Media Mobile Network 103

Smashing Magazine

JULY 29, 2019

Many of us are lucky enough to be on mobile plans which allow several gigabytes of data transfer per month. Failing that, we are usually able to connect to home or public WiFi networks that are on fast broadband connections and have effectively unlimited data. The Cost Of Mobile Data. Data is expensive in parts of Europe too.

Cache 96

Cache Google Mobile Network 96

IO River

NOVEMBER 2, 2023

implement a M-CDN, organizations can use traffic management tools or Multi-CDN switching solutions that distribute and route content across the various CDN providers. Outages are a common occurrence; a global outage could take the entire network down while local outages could force the CDN vendor to serve the traffic from a non-local PoP.

Best Practices 40

Best Practices Strategy Traffic Virtualization 40

Percona

JUNE 22, 2023

To make data count and to ensure cloud computing is unabated, companies and organizations must have highly available databases. Fault tolerance aims for zero downtime and data loss. Data replication : Data is continually copied from one database to another to ensure that the system remains operational even if one database fails.

Availability 109

Availability Database Open Source Hardware 109

Alex Russell

MARCH 6, 2021

The scale of the effect can be deeply situational or hard to suss out without solid metrics. A then-representative $200USD device had 4-8 slow (in-order, low-cache) cores, ~2GiB of RAM, and relatively slow MLC NAND flash storage. The Moto G4 , for example. India became a 4G-centric market sometime in 2018.

Performance 124

Performance Network Cache Metrics 124

Smashing Magazine

JUNE 1, 2022

They can also highlight very long redirection chains in your third-party traffic. Simon Hearne , an independent web performance consultant and one of the co-organizers of the London Web Performance Group , maintains an online Request Map tool that uses WebPageTest to get the data and Ghostery to visualize it. Large preview ).

Website 131

Website Design Network Best Practices 131

John McCalpin

APRIL 2, 2020

This data is from the 2007 presentation. To show that I can criticize my own work as well, here I show that sustained memory bandwidth (using an approximation to the STREAM Benchmark ) is also inadequate as a single figure of metric. (It

Benchmarking 59

Benchmarking Performance Latency Architecture 59