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. The browser must then pause to fetch and parse the corresponding files.

Performance 74

Performance Cache Traffic Metrics 74

CSS - Tricks

APRIL 1, 2021

seconds faster on average and it drove 60 million more Firefox downloads per year. The code for the site is available on GitHub for reference. Redirects are often pretty light in terms of the latency that they add to a website, but they are an easy first thing to check, and they can generally be removed with little effort.

Cache 92

Cache Social Media Media Network 92

The Netflix TechBlog

APRIL 26, 2022

We make sure there is no training/serving skew by using the same data and the code for online and offline feature generation. The first version of our logger library optimized for storage by deduplicating facts and optimized for network i/o using different compression methods for each fact. Pay the storage, network, and compute cost.

Storage 187

Storage Design Scalability Latency 187

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. MezzFS collects metrics on data throughput, download efficiency, resource usage, etc. Actions ?—?MezzFS

Media 214

Media Storage Processing Cache 214

Smashing Magazine

SEPTEMBER 28, 2022

Every unnecessary bit of JavaScript code you bundle and serve will be more code the client has to load and process. The resource loading waterfall is a cascade of files downloaded from the network server to the client to load your website from start to finish. How will you serve blazingly fast code, then?

Cache 126

Cache Performance Servers Social Media 126

Adrian Cockcroft

JANUARY 29, 2023

The mean and percentile measurements hide this structure, but the rest of this post will show how the structure can be measured and analyzed so that you can figure out a useful model of your system, understand what is driving the long tail of latencies and come up with better SLAs and measures of capacity.

Lambda 98

Lambda Latency Cache C++ 98

The Morning Paper

JANUARY 30, 2020

Edge servers are the middle ground – more compute power than a mobile device, but with latency of just a few ms. Wasm functions contain native codes compiled at runtime, so they should not be directly migrated as normal JavaScript objects. Why would we want to live migrate web workers?

Mobile 104

Mobile Cloud Latency Games 104

Alex Russell

JANUARY 30, 2024

It's time once again to update our priors regarding the global device and network situation. Most sites, even those that aspire to be "lived in", feature short median sessions, which means we can't actually justify much in the way of up-front code, and first impressions always matter. What's changed since last year?

Performance 90

Performance Network Mobile Speed 90

Smashing Magazine

MARCH 25, 2021

A performance budget as a mechanism for planning a web experience and preventing performance decay might consist of the following yardsticks: Overall page weight, Total number of HTTP requests, Page-load time on a particular mobile network, First Input Delay (FID). That way, you can eliminate unnecessary downloads and accelerate page loads.

Media 118

Media Performance Mobile Latency 118

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. Setting Server-Timing. — any freeform data that suits your needs.

Servers 93

Servers Monitoring Cache Network 93

Smashing Magazine

JANUARY 11, 2021

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? Networking, HTTP/2, HTTP/3 OCSP stapling, EV/DV certificates, packaging, IPv6, QUIC, HTTP/3.

Performance 145

Performance Cache Media Metrics 145

The Netflix TechBlog

JANUARY 24, 2022

Technically, “performance” metrics are those relating to the responsiveness or latency of the app, including start up time. It’s harder to reason about the performance profile of pre-production code since we can’t gather real-time metrics for code that hasn’t yet shipped. so are power levels and network bandwidth.

Performance 199

Performance Metrics Performance Testing Testing 199

Smashing Magazine

AUGUST 3, 2021

Lots can go wrong: a network request fails, a third-party library breaks, a JavaScript feature is unsupported (assuming JavaScript is even available), a CDN goes down, a user behaves unexpectedly (they double-click a submit button), the list goes on. How To Build Resilient JavaScript UIs. Callum Hart. 2021-08-03T11:00:00+00:00.

Network 145

Network Engineering Availability Monitoring 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? Download The Checklist (PDF, Apple Pages, MS Word). Assets Optimizations. Build Optimizations. Quick Wins.

Performance 145

Performance Cache Network Metrics 145

Scalegrid

JUNE 18, 2019

First, find and copy your MongoDB connection string from the cluster details page on the ScaleGrid console: The CA certificate file is also available for download from the cluster details page. 1305:12 @(shell):1:1 2019-04-18T19:44:42.261+0530 I NETWORK [thread1] trying reconnect to SG-example-1.servers.mongodirector.com:27017

C++ 100

C++ Servers Database Network 100

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. It assists in identifying where important events happened during the loading process.

Performance 52

Performance Cache Website Speed 52

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? Download The Checklist (PDF, Apple Pages, MS Word). Assets Optimizations. Build Optimizations. Quick Wins.

Performance 104

Performance Cache Network Metrics 104

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. It assists in identifying where important events happened during the loading process.

Performance 53

Performance Cache Website Speed 53

Rigor

JULY 2, 2019

As an example, we see that the preferred address to access the online edition of the New York Times is [link] (we received an HTTP response code of 200 when requesting the site). Rigor’s waterfall chart indicates that this address has been permanently moved (given that we received an HTTP response code of 301 ).

Mobile 60

Mobile Traffic Google Latency 60

Testsigma

JANUARY 30, 2021

Applications that do not require to be downloaded and can be accessed via hitting the URL on a mobile browser are known as mobile web applications. The applications are designed using the same code base as Desktop like HTML, Javascript, and CSS. What are Mobile Web Applications? Hence, Mobile web applications are secure to use as well.

Mobile 52

Mobile Testing Website Internet 52

Smashing Magazine

APRIL 17, 2019

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. This is where globally distributed CDNs really help!)

Performance 106

Performance Games Servers Cache 106

Alex Russell

OCTOBER 22, 2017

We constrain ourselves to a real-world baseline device + network configuration to measure progress. Budgets are scaled to a benchmark network & device. JavaScript is the single most expensive part of any page in ways that are a function of both network capacity and device speed. Execute the script.

Performance 68

Performance Benchmarking Network Mobile 68

CSS - Tricks

JULY 25, 2019

Lighthouse uses Chrome’s Remote Debugging Protocol to read network request information, measure JavaScript performance, observe accessibility standards and measure user-focused timing metrics like First Contentful Paint , Time to Interactive or Speed Index. Estimated Input Latency. Estimated Input Latency. Speed Index.

Google 71

Google Engineering Speed Mobile 71

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. Image CDN Using a content delivery network like KeyCDN, or what we also call an image CDN , can be one of the easiest and fastest ways to speed up the delivery of your images.

Social Media 106

Social Media Media Google Website 106

Alex Russell

APRIL 29, 2021

After 20 years of neck-in-neck competition, often starting from common code lineages, there just isn't that much left to wring out of the system. Real-time network protocols for enabling videoconferencing, desktop sharing, and game streaming applications. Healthy competition features various parties trading the lead with regularity.

Media 145

Media Games Education Engineering 145

Alex Russell

JULY 14, 2021

Because they lean on the system-provided WebView component, they do not need to pay the expense of a heavier app download to support rendering HTML, running JavaScript, decoding images, or loading network resources. However, producing a complete and competitive WebView-based browser requires additional UI and glue code.

Google 121

Google Mobile Engineering Internet 121

SQL Performance

SEPTEMBER 17, 2019

For years SSRS was bundled with the installation of SQL Server, which helped add to some of the confusion around licensing and support for the product, so beginning with SSRS 2017, the installation package for Reporting Services is a separate download. Disk latency for ReportServer and ReportServerTempDB are very important.

Tuning 67

Tuning Servers Database Best Practices 67

Smashing Magazine

AUGUST 22, 2021

As we will see, QUIC and HTTP/3 indeed have great web performance potential, but mainly for users on slow networks. If your average visitor is on a fast cabled or cellular network, they probably won’t benefit from the new protocols all that much. Two-way latency is often called round-trip time (RTT). Congestion Control.

Performance 106

Performance Network Latency Servers 106

SQL Server According to Bob

JANUARY 11, 2020

Then follow the instructions to either download the BOL or browse online. Many high-end disk subsystems provide high-speed cache facilities to reduce the latency of read and write operations. Terms This section defines common terms that are used both in this paper and in documents that are referenced in this paper. SQL Server 7.0

Servers 40

Servers Cache Media Hardware 40

Smashing Magazine

AUGUST 9, 2021

You’ve probably heard things like: “HTTP/3 is much faster than HTTP/2 when there is packet loss”, or “HTTP/3 connections have less latency and take less time to set up”, and probably “HTTP/3 can send data more quickly and can send more resources in parallel”. For example, TCP requires a “ handshake ” to set up a new connection.

Transportation 145

Transportation Internet Internet Network 145

SQL Server According to Bob

JANUARY 11, 2020

url=/library/en-us/fileio/fs/sparse_files.asp ) ​​ on the ​​ Microsoft Developer Network ​​ (MSDN). The caching of data pages and grouping of log records helps remove much, if not all, of the command latency associated with a write operation.

Servers 40

Servers Cache Database Media 40

Smashing Magazine

SEPTEMBER 29, 2021

Compression achieved is relevant because the higher the compression, the smaller the file size, and the lower the data required to transfer the image on the network. The goal was to develop a new open-source video coding format that is both state-of-the-art and royalty-free. It calls Rust code in the browser using a WebWorker.

Open Source 144

Open Source Speed Website Google 144