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. Browsers now understand the classic shared HTTP cache behaviour as a privacy bug.

Cache 82

Cache Government Traffic Network 82

Dynatrace

SEPTEMBER 17, 2019

End-to-end code-level tracing. REDIS for caching. Dynatrace’s PurePath technology brings us automatic end-to-end code level tracing without having to modify any code or configuration. Having Dynatrace also looking at key EFS metrics gives them additional root cause information in case something goes wrong.

AWS 127

AWS Monitoring Ecommerce Lambda 127

CSS - Tricks

JULY 25, 2019

Cache-Headers missing? Lighthouse records metrics from the browser, applies a scoring model to them, and presents an overall performance score. Guidelines for improvement are suggested based on how specific metrics score. During performance tests, Lighthouse records many metrics focused on what a user sees and experiences.

Google 71

Google Engineering Speed Mobile 71

Jos

JUNE 2, 2018

There was something gratifying in taking a code that takes minutes to run and make it run in a handful seconds. Normally the team decides how well to cover and test the code, and it’s important that all developers in a team know how to write tests. One could argue this is a metric-driven decision. Well, not so fast.

Performance 237

Performance Speed Google Media 237

Smashing Magazine

MARCH 19, 2021

But we can’t really say just yet whether it had any impact on the business metrics — well, we’ll need to wait for a big book release to see that. Gael Metais suggested to more aggressively subset web fonts and look into caching issues with our AVIF files. Workflow & Code. Workflow, Code. Workflow, Code.

Mobile 140

Mobile Design Cache Code 140

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

The Netflix TechBlog

OCTOBER 15, 2019

caching (Memcached etc.), Issues: This needs to be implemented as a library and ideally without requiring code changes for the application using it. No need to acquire locks on tables, which is essential to ensure that the write traffic on the database is never blocked by our service.

Transportation 192

Transportation Architecture Processing Storage 192

Percona

AUGUST 8, 2023

Or worse yet, sometimes I get questions about regaining normal operations after a traffic increase caused performance destabilization. But we can discuss common bottlenecks, how to assess them, and have a better understanding as to why proactive monitoring is so important when it comes to responding to traffic growth.

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

Jos

JUNE 2, 2018

There was something gratifying in taking a code that takes minutes to run and make it run in a handful seconds. Normally the team decides how well to cover and test the code, and it’s important that all developers in a team know how to write tests. One could argue this is a metric-driven decision. Well, not so fast.

Performance 130

Performance Speed Google Media 130

Smashing Magazine

MAY 12, 2022

In particular, the collected measurements include the three Core Web Vitals metrics measured for each session. In recent years, these metrics have become the cornerstone of modern Web performance analysis: Largest Contentful Paint (LCP) , First Input Delay (FID) , Cumulative Layout Shift (CLS). Large preview ). Large preview ).

Google 127

Google Performance Website Mobile 127

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

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 195

Cache Architecture Database Government 195

Smashing Magazine

AUGUST 30, 2021

Also, the management will be dissatisfied with the decreased traffic and revenue caused by the unoptimized codebase, despite the code quality improvements. They offer a wide variety of customization options to further control how code is being optimized and which browsers are supported. Optimizing Stylesheet File Size.

Media 108

Media Performance Cache Strategy 108

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.

Open Source 186

Open Source Network Transportation Cache 186

The Netflix TechBlog

OCTOBER 16, 2019

Often the data is held in memory by consumers and used as a “total cache”, where it is accessed at runtime by client code and atomically swapped out under the hood. for example Open Connect Appliance cache configuration, supported device type IDs, supported payment method metadata, and A/B test configuration.

Cache 187

Cache Architecture Metrics Java 187

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. Traffic patterns outside of normal [RUM or Analytics].

Website 74

Website Cache Ecommerce Traffic 74

Smashing Magazine

JULY 29, 2019

This metric is a little difficult to comprehend, so here’s an example: if the average cost of broadband packages in a country is $22, and the average download speed offered by the packages is 10 Mbps, then the cost ‘per megabit per month’ would be $2.20. For reference, the metric is $1.19 in the UK and $1.26 in the USA.

Cache 96

Cache Google Mobile Network 96

Smashing Magazine

MARCH 7, 2022

However, the above table is not actually representative of total traffic, and that’s another point to note about this data. And if your RUM library of choice is not tracking these metrics, then maybe suggest that they do to benefit you and their other users. 1, 2, 4, 8, so even if you have 32 GB of RAM that will be reported as 8.

Website 103

Website Media Mobile Network 103

John McCalpin

APRIL 2, 2020

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 Here I assumed a particular analytical function for the amount of memory traffic as a function of cache size to scale the bandwidth time.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Smashing Magazine

JUNE 1, 2022

In many cases, they can be super convenient to add or remove without having to push code changes to the site. For example, users can install browser plugins to suggest coupon codes when they are shopping, to scan web pages for malware, to play games or message friends, or do any number of other things. More after jump!

Website 131

Website Design Network Best Practices 131

Percona

JUNE 22, 2023

Load balancing : Traffic is distributed across multiple servers to prevent any one component from becoming overloaded. Load balancers can detect when a component is not responding and put traffic redirection in motion. Failure detection : Monitoring mechanisms detect failures or issues that could lead to failures.

Availability 110

Availability Database Open Source Hardware 110

All Things Distributed

JUNE 21, 2018

Developers rely on the functionality of the relational database (not the application code) to enforce the schema and preserve the referential integrity of the data within the database. Developers can persist data using the same document model format that they use in their application code.

Database 167

Database AWS Games Latency 167

Alex Russell

OCTOBER 22, 2017

This helps support executive sponsors who then have meaningful metrics to point to in justifying the investments being made. Very rarely have we seen a team succeed that doesn’t set budgets, gather RUM metrics, and carry representative customer devices. Teams with budgets also find it easier to track and graph progress.

Performance 68

Performance Benchmarking Network Mobile 68

Smashing Magazine

AUGUST 9, 2021

However, many other devices are sitting between the client and the server that also have their own TCP code on board (examples include firewalls, load balancers, routers, caching servers, proxies, etc.). For example, if the device is a firewall, it might be configured to block all traffic containing (unknown) extensions.

Transportation 145

Transportation Internet Internet Network 145

Dotcom-Montior

JUNE 30, 2021

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Luckily, the time was shortened to within five seconds when accessing in a cached mode. The performance of a same website can be very different, when it’s accessed from China and from the other areas around the world.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JUNE 30, 2020

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Luckily, the time was shortened to within five seconds when accessing in a cached mode. The performance of a same website can be very different, when it’s accessed from China and from the other areas around the world.

Website 52

Website Monitoring Website Performance Performance 52

Dotcom-Montior

JULY 7, 2020

The entry/exit communication traffic can be overwhelmed by limited international bandwidth and huge user number. Luckily, the time was shortened to within five seconds when accessing in a cached mode. The performance of a same website can be very different, when it’s accessed from China and from the other areas around the world.

Website 52

Website Monitoring Website Performance Performance 52

Smashing Magazine

AUGUST 22, 2021

For web-page loading, this slow-start approach can also affect metrics such as the first contentful paint, because only a small amount of data (tens of to a few hundred KB) can be transferred in the first few round trips. Examples include repeat visits on well-cached pages and background downloads and API calls in single-page apps.

Performance 105

Performance Network Latency Servers 105

Smashing Magazine

JANUARY 21, 2021

And suddenly, before you know it, the code base gets a little bit overweight and fragmented , third-party scripts have to load just a little bit earlier, and shiny new dynamic content finds its way into the DOM through the backdoors of fourth-party scripts and their uninvited guests. Image source: Lighthouse Metrics ) ( Large preview ).

Performance 145

Performance Cache Mobile Network 145

Smashing Magazine

JUNE 8, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

APRIL 28, 2021

Image optimization , loading behavior and rendering in the browser require understanding of image formats and image compression techniques, image decoding and browser rendering, image CDNs and adaptive media loading, not to mention effective caching and preloading. Optimizing Network Requests with Caching and Preloading. +.

Media 92

Media Cache Google Best Practices 92

Smashing Magazine

JANUARY 11, 2021

LogRocket tracks key metrics, incl. Have we optimized enough with tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, progressive hydration, clients hints, HTTP/3, service workers and — oh my — edge workers? Getting Ready: Planning And Metrics.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Smashing Magazine

JANUARY 7, 2019

Is it worth exploring tree-shaking, scope hoisting, code-splitting, and all the fancy loading patterns with intersection observer, server push, clients hints, HTTP/2, service workers and — oh my — edge workers? Getting Ready: Planning And Metrics. Getting Ready: Planning And Metrics. Table Of Contents. Quick Wins.

Performance 103

Performance Cache Metrics Network 103