The Netflix TechBlog

MARCH 6, 2019

Furthermore, the movie file is very large (often several 100s of GB), and we want to avoid downloading the entire file for each individual video encoder that might be processing only a small segment of the whole movie. Disk Caching? — ? MezzFS can be configured to cache objects on the local disk. Regional caching? —?Netflix

Media 218

Media Storage Processing Cache 218

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 89

Cache Government Traffic Network 89

Dynatrace

DECEMBER 13, 2023

Mobile applications (apps) are an increasingly important channel for reaching customers, but the distributed nature of mobile app platforms and delivery networks can cause performance problems that leave users frustrated, or worse, turning to competitors. User acquisition measures the number of new users downloading and installing an app.

Best Practices 246

Best Practices Mobile Metrics Performance 246

Smashing Magazine

MAY 9, 2022

Performance Game Changer: Browser Back/Forward Cache. Performance Game Changer: Browser Back/Forward Cache. With that caveat out of the way, let’s get to the guts of the article: What is the Back/Forward Cache and why does it matter so much? Didn’t The HTTP Cache Do All That Anyway? Barry Pollard.

Cache 106

Cache Games Performance Website 106

The Netflix TechBlog

JULY 1, 2019

Development As part of developing this type of UI experience on any platform, we knew we would need to think about creating smooth, performant animations with a balance between quality and download size for the images and video previews, all without degrading the performance of the app. images no longer in the viewport).

Cache 167

Cache Design Testing Development 167

Smashing Magazine

NOVEMBER 22, 2021

While mobile devices have come a long way in terms of network and CPU speed, many of them are still significantly underpowered when compared to desktops, especially in countries where mobile connectivity is still poor. In addition, this significantly reduced the amount of JavaScript code that needs to be downloaded by the browser.

Website 141

Website Performance Google Website Performance 141

Speed Curve

FEBRUARY 10, 2025

Photo by Freepik Part of the answer is this: You have a lot of control over the design and code for the pages on your site, plus a decent amount of control over the first and middle mile of the network your pages travel over. And as the graph below shows, even some urban centres can suffer download speeds as low as 20 Mbps.

Hardware 52

Hardware Internet Internet Speed 52

CSS - Tricks

APRIL 1, 2021

seconds faster on average and it drove 60 million more Firefox downloads per year. Using a network request inspector, I’m going to see if there’s anything we can remove via the Network panel in DevTools. In DevTools, the Network inspector helps us see what the first webpage is doing too.

Cache 94

Cache Social Media Media Website 94

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. Jump to the details ↓ Download a free PDF sample (12MB).

Media 124

Media Cache Google Best Practices 124

The Morning Paper

OCTOBER 4, 2020

The first 5G networks are now deployed and operational. The study is based on one of the world’s first commercial 5G network deployments (launched in April 2019), a 0.5 The 5G network is operating at 3.5GHz). The maximum physical layer bit-rate for the 5G network is 1200.98 The short answer is no.

Energy 130

Energy Latency Performance Network 130

Smashing Magazine

JULY 29, 2019

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 speed of mobile networks, too, varies considerably between countries. South Korea has the fastest mobile download speed , averaging 52.4 Mbps download and 0.7

Cache 99

Cache Mobile Google Network 99

Smashing Magazine

MARCH 6, 2025

Resource Load Delay : Time spent before the LCP image starts to download. Resource Load Time : Time spent downloading the LCP image. A network request waterfall can help us understand what resources are loading through each stage. Part of the Load Delay is caused by having to download that JavaScript library.

Website 59

Website Google Speed Metrics 59

Percona

APRIL 24, 2023

The more indexes, the more the requirement of memory for effective caching. Indexes need more cache than tables Due to random writes and reads, indexes need more pages to be in the cache. Cache requirements for indexes are generally much higher than associated tables. Download Percona Distribution for PostgreSQL Today!

Tuning 139

Tuning Cache Storage Database 139

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. Jump to the details ↓ Download a free PDF sample (12MB).

Media 105

Media Cache Google Best Practices 105

Smashing Magazine

AUGUST 9, 2021

It also, however, takes a full network round trip to complete before anything else can be done on a connection. 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.). What is so different?

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Transportation Internet Internet Network 145

Smashing Magazine

MAY 16, 2022

This header can be set on the response of any network resource, such as XHR, fetch, images, HTML, stylesheets, etc. These subtypes are currently the only subtypes related to network requests and thus exposing the Server-Timing information. For example, we almost always trigger image downloads by putting an img element in our HTML.

Servers 111

Servers Monitoring Cache Network 111

Smashing Magazine

NOVEMBER 4, 2021

We’ll be learning how to do this with GraphQL Features like Cache Update, Subscriptions, and Optimistic UI. website to download the latest version. Updating the cache directly using update function on the useMutation. Updating the cache directly using update function on the useMutation. If not, just go to the Node.js

Cache 129

Cache Servers Code Transportation 129

Smashing Magazine

APRIL 29, 2021

Lazy-load offscreen images (reduce network contention for key resources). For low impact to First Input Delay : Avoid images causing network contention with other critical resources like CSS and JS. . <img As a bonus, you can download compressed versions of suggested image formats such as WebP: Cloudinary’s image analysis tool.

Media 145

Media Network Metrics Mobile 145

Smashing Magazine

JUNE 1, 2022

In this case, we are not going to be talking about infrastructure services, such as a cloud computing platform like Microsoft Azure or a content distribution network like Akamai. And JavaScript can certainly make requests for additional network resources. Sometimes, the visitor’s browser itself can be the origin of network activity.

Website 138

Website Design Network Testing 138

Percona

JUNE 22, 2023

This includes metrics such as query execution time, the number of queries executed per second, and the utilization of query cache and adaptive hash index. query cache: Disable (query_cache_size: 0, query_cache_type:OFF) innodb_adaptive_hash_index: Check adaptive hash index usage to determine its efficiency.

Performance 136

Performance Monitoring Traffic Database 136

Smashing Magazine

SEPTEMBER 6, 2021

Next, we’ll look at how to set up servers and clients (that’s the hard part unless you’re using a content delivery network (CDN)). Using just a few (but still more than one), however, could nicely balance congestion growth with better performance, especially on high-speed networks. This is true, but only to a relatively limited extent.

Network 120

Network Servers Cache Traffic 120

Randon ASCII

JULY 11, 2022

A bug had been filed suggesting that Chrome download speeds (such as those measured by speedtest.net ) seemed to be affected by some anti-virus software. Downloads go through the cache, the cache is saved to disk, and saves to disk are slowed by (some) anti-virus software. As usual, I was minding my own business.

Cache 105

Cache Energy Google Processing 105

Smashing Magazine

AUGUST 3, 2023

You need to beware that slow server response times can significantly increase TTFB, often due to server overload, network issues, or un-optimized logic on the server side. Download Time of HTML This is the time it takes to download the page’s HTML file. Adding to this complexity is the effect of seasonality.

Performance 78

Performance Cache Traffic Metrics 78

Smashing Magazine

JUNE 2, 2021

And while you can usually cache the full page of an article, the same is not true of many shop pages and elements. Some are user-specific, like the shopping cart in the header or the wish list, and due to the personal nature of the data, they should never be cached. But even in the planning phases, traps await. Legacy Support.

Performance 132

Performance Cache Website Mobile 132

Percona

OCTOBER 2, 2023

Caches | 12.4G Caches | 12.4G Caches | 12.4G 2004l# Percona Toolkit System Summary Report ###################### Date | 2023-09-25 14:43:34 UTC (local TZ: CDT -0500) Hostname | testbox Uptime | 44 min, 1 user, load average: 0.47, 0.67, 0.57 Platform | Linux Release | Ubuntu 22.04.3 LTS (jammy) Kernel | 6.2.0-33-generic

Cache 114

Cache Database Virtualization Servers 114

Smashing Magazine

NOVEMBER 17, 2022

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. Clearly, we want to give freedom to our content creators, but we can leave to chance neither the resolution nor the speed of delivery and download of the images that will be displayed on our website.

Media 125

Media Cache Website Mobile 125

Smashing Magazine

APRIL 17, 2019

The browser caches the results of these lookups, but they can be slow. This typically happens once per server and takes up valuable time — especially if the server is very distant from the browser and network latency is high. Get it wrong, and you’ve wasted time and resources in downloading something that isn’t going to be used.

Performance 109

Performance Servers Games Cache 109

The Morning Paper

SEPTEMBER 24, 2019

Using a purpose-built Google Play scraper the team downloaded 252,864 versions of 88,113 different Android apps. Each app was then executed on a physical mobile phone equipped with a custom OS and network monitor. The destination endpoint for the network traffic typically identifies the SDK responsible. most apps).

Systems 74

Systems Traffic Network Google 74

KeyCDN

SEPTEMBER 12, 2019

An easy way to compress images is with our image processing service that happens to also be fully integrated into our existing network. KeyCDN’s Cache Enabler plugin is fully compatible the HTML attributes that make images responsive. It also allows for additional control over the caching of your images as well as hotlink protection.

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Social Media Media Google Website 106

Smashing Magazine

MAY 17, 2021

Lighthouse also caught a cache misconfiguration that prevented some of our static assets from being served from our CDN. We are hosted on Google Cloud Platform, and the Google Cloud CDN requires that the Cache-Control header contains “public”. The first easy win came from an experimental Next.js Large preview ).

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Google Analytics Serverless Metrics 111

Smashing Magazine

OCTOBER 2, 2023

Jump to the workshops ↬ Using CDN For Caching And WebP For Lighter File Sizes As I mentioned a little earlier, our stack includes Sanity’s CMS. It offers a robust content delivery network (CDN) out of the box , which serves two purposes: (1) optimizing image assets and (2) caching them. image preload options. <head>

Cache 84

Cache Strategy Best Practices Design 84

Alex Russell

APRIL 29, 2021

Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Modern, asynchronous network APIs that dramatically improve performance in some situations. Enable developers to compress data efficiently without downloading large amounts of code to the browser. Delayed five years.

Media 145

Media Games Education Engineering 145

Smashing Magazine

NOVEMBER 2, 2021

PWAs have been around for over five years, yet native applications outnumber them both in the quantity ratio and how many times users download them. This isn’t the case like with native applications whose success is at times predefined by the number of downloads. Why Do Business Owners Opt For Magento PWAs In The 2020s?

Code 90

Code Cache Mobile Retail 90

MachMetrics

MARCH 21, 2019

Resource Download Time. Every single file that you reference in your website’s html has to be downloaded. Every font, css, javascript file, and image takes time to download. Looking at your page load ‘waterfall’ will show you all the resources and how long it takes to download each.

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Metrics Social Media Performance Speed 74

Smashing Magazine

JUNE 26, 2019

In this case, my website is “slow”, even when served on 4G networks. Let the web developer handle all of the necessary speed optimizations like caching and file minification while you take on the following design tips and strategies: 1. You might be thinking that downloading and hosting your Google font would make more sense then.

Website 111

Website Speed Mobile Design 111

Dotcom-Montior

MAY 6, 2020

Waterfall charts are diagrams which represent how website resources are being downloaded, parsed by the engine, in a timeline that gives us the opportunity to see the sequence and dependencies between resources. The time it takes to download files. Moreover, caching utility may decrease the waiting time.

Performance 53

Performance Website Cache Speed 53

Dotcom-Montior

MARCH 6, 2022

Waterfall charts are diagrams which represent how website resources are being downloaded, parsed by the engine, in a timeline that gives us the opportunity to see the sequence and dependencies between resources. The time it takes to download files. Moreover, caching utility may decrease the waiting time.

Performance 52

Performance Website Cache Speed 52